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Planetary Science

~63500 answered questions
Parent Category: Astronomy
Planetary Science is the study of Planets and the Solar System, a combination of Astronomy and Earth Sciences. Find questions about the different planets and more.
It probably needs to be sand blasted and repainted. If it is just a little surface rust, wipe some penetrating oil on it.
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I believe if either one is directly in the baseline, that is indeed interference (the runner is awarded the base).   Obstruction can only be called if the runner makes contact with one of the fielders. If he zig-zags around them without drawing contact then he can be called out for going out …
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That's a good question. PROBABLY. You'll have to talk to an agent/broker to get the details. Try www.SteveShorr.com for CA and for the other 49 States there's an agent finder at the bottom of the page.
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It is not an easy task. Unfortunately, there is no prescription to fit all situations. It depends on your strengths, weaknesses and support systems. Sometimes it requires professional help (therapy) to start you off on the path that is right for you as an individual. First, you have to have time ou…
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What Started WW2 The question "How did World War 2 start?" or "What started World War 2?" can be considered distinct from "What caused World War 2?" For the latter, see the Related Question link to the right. There are many views on exactly when and where World War 2 started, and what started it. …
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A Ptolemaic view of the Universe has the Earth at it's centre. The Copernican centres on the sun. Both however have been found to be incorrect.
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Yes,not nasa but the mars association has made suits called bio suits which are very much different from those used in the Apollo travels. Tell u what they are specifically designed for girls. So they only have a chance of going there. And the suit is not for life it is designed for humans who would…
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The world wrestling entertainment as in pro wrestling  It's American Football. Don't let anyone tell you otherwise. And the theatrics company known as the WWE shouldn't even be considered a sporting league. UFC? Yes. WWE? No.        
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First Person From Britain to Go to Space Helen Patricia Sharman OBE (born May 30, 1963), is a chemist and former British astronaut. She was the first Briton in space, on Soyuz TM-12 which took off on May 18, 1991. Sharman was born in Sheffield; she is married with a daughter. She received a …
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Answer ww1 started in 1914 and ended in 1918
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The world learned it must work together to maintain peace, restore devastated countries, help those in need, restore global trade and they formed the United Nations to promote global communication and prevent future world wars. It discovered that isolationism was too idealistic. The Cold War forced …
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There's the possibility that the Sport Satellite could have a 318 in it instead of the big block 383 or 440. I could be wrong, but I don't think any GTX's had 318's. Of course, the trim package would be different too. The GTX should have heavier torsion bars and suspension parts too. I'm 50 years o…
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Yes, black holes do, indeed, exist in the universe. We've actually "seen" them, but they can be observed only indirectly. No light can escape them and all nearby matter gets trapped in their gravitational field. Particles which are not far enough away to escape but not close enough to be pulled in a…
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This can greatly vary, because the moon is sometimes closer and sometimes farther from Earth. The average distance the moon is away from Earth is around 230,100 miles, or 370,300 km.
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You could be asking about the element Mercury or the planet Mercury. The element Mercury is probably most remarkable for being a metal which is liquid at room temperature.However, I think this is about the planet. The planet's famous feature is called the "Caloris Basin".   The first answer as…
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Beyond Neptune - and including Pluto - is the Kupier Belt, a mix of icy asteroids and planetoids left over from the formation of the Solar System. Pluto, traditionally the ninth planet, is now thought of as a large member of the Kuiper Belt. Scientists have found a dwarf planet in this belt origin…
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It rotates from West to East ( counter-clockwise if you are looking down onto the north pole ). We see that the sun rises from East and sets in West. Actually, the sun does not move but the earth rotates in the opposite direction i.e. from west to east , so it appears as if the sun is moving from ea…
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According to Scientific American: "The North Star, or Polaris, is the brightest star in the constellation Ursa Minor, the little bear (also known as the Little Dipper)."Click on the link to the right for their full article (with a picture showing the location).  Another way to find Polaris is …
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It is the Caloris Basin, a crater 1500 km wide, ringed by mountains up to 2 km high.
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Answer Your question is to vague. Are you asking for the melting point, boiling point, or some other point? Answer Or are you referring to the planet Mercury? Either way, your question makes no sense. What is the point of anything? Try re-posting your question and this time phrase you…
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Point of Planet Closest to the SunSubsolar point, I think. The sub-solar point is the point on the planet's surface where the Sun is (at some given moment) directly overhead. So it is the place on the planet's surface momentarily closest to the Sun. However the question asks where the planet is ne…
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Approximately half. Because the Moon is orbiting the Earth, various fractions of this illuminated surface are visible, depending on the angle from which we see it. (During a lunar eclipse, some or all of the sunlight is blocked by the Earth. Also, since the sun is larger than the moon, very slightly…
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Worst tv program ever. See Related Links for web site David Pearce (Keith Barron) has been made redundant. He spends some of his redundancy money on a holiday in Spain for himself and his wife Amy (Gwen Taylor). They meet up with another couple, Robert Cochran (Neil Stacy) and his wife Lind…
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Mercury's most well known feature is The Great Red Spot Answer Since you spelled mercury with a small "m" I'm assuming you are referring to the element and not the planet. The most notable thing about mercury is that it is one of only two (debatable three) metals that is a liquid at room temper…
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The Hale-Bopp comet is now beyond the orbit of Uranus but is expected to still be visible by large telescopes until about 2020. After then, it is not expected to make a return until the year 4534.
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Answer:Most Creationists have no problem with the speed of light. Only the "young Earth" or "young universe" branch have to deal with the issues of light sources "billions of light-years" away. Some have rather interesting ideas about how to reconcile the two ideas, ranging from "God started the uni…
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A blue moon is the second full moon in a calendar month, as the months and cycles of the moon do n
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According to the Mayan calendar, the world will end at the conclusion of their astronomical cycle, on December 21, 2012. However, this has no basis in fact.-------------Eventually, yes. Assuming Earth is spared a major impact from an asteroid or comet, the Sun will eventually swell to the point wh…
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Gain access by removing the roof liner. Check the cables to see if they have seized, replace them if they are. how do i remove the liner
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A five-pointed red star is a symbol of communism, particularly when used in Russia/USSR. It can also be a satanist or sorcery symbol (as a pentagram) or just for the effect of such a shape's presence.
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1993 to 2002 camaros and firebirds have the same t tops, problem is you wont be able to lock them unless you have a key made for them.
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The exact distance between Earth and the Sun varies with its position in its orbit, which is elliptical. The average distance (the mean distance) between the Earth and the Sun is about 150 million kilometers (93 million miles). The average distance from the Earth to the Sun is also called 1 astron…
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In the uiniversal language of mind, the sun indicates awareness in superconscious mind. The moon indicates awareness in subconscious mind. Together would be a combination. Hightened awareness begins with the use of undivided attention with purpose. In Chinese Characters, a sun and moon together mea…
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One way to find Polaris, the North Star, is to look for the "Big Dipper" and then look at the two stars forming the edge of the "bowl" on the dipper opposite the handle (these are Merak and Dubhe). Look straight along the line formed by the two stars "up" from the dipper about twice the distance tha…
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Usually a bad coil , or plug. if the injector was bad , the computer would have coded for it. But the cylinder 3 coil and plug arent that easy to get to. Its the one at the fire wall
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Astronomically Speaking The Earth will end in roughly 4.5 billion years when our Sun expands into a red giant. This process occurs when the hydrogen core of the star is used up, causing the outer layers to expand to more than 100 times the original size. Depending on the Earth's orbital position (…
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Answer It is not known when this will happen. But if it does it will be a long difficult task keeping the astronauts fit and healthy. The journey would take 9 months one way, and then there is the length of time spent on or near the planet. Bones and other body systems will weaken, supplies of fo…
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The actual discovery date of Mercury, and the discoverer, are not known since the discovery predates the earliest known mention of it. The first known, recorded reference to Mercury is in the Babylonian MUL.APIN tablets, in which it is named the jumping planet. The earliest copy so far discovered wa…
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Phobos and Deimos. Phobos means fear. Deimos means panic.If they're on Mars I have to say Hellas and Argyre. [/nerd joke] If it's in orbit around it I say Phobos and Deimos.the 2 moons of mars are Diemos and Phobos
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Most flowers will tolerate full sun, but depending on the conditions, they may not reach their full potential. The following is a suggested list of plants suitable for most American zones. Annual: sun coleus, salvia, wondering Jews, statice, strawflower, euphorbia diamond frost, geraniums, petunia…
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The dominant scientific model is that the Earth and all the planets (and the Sun) coalesced from a molecular cloud, also known as a nebula. Supernovae are the only known natural events capable of producing elements heavier than Iron, and since heavy elements exist on Earth (and in the Sun), the deb…
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Saturn is famous for its spectacular ring system. Even though all the gas giants have rings, Saturn's are the most visible and can be seen from Earth by a normal telescope.
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If you're referring to the orbit of the Earth around the Sun, the closest point is called the perihelion and it usually comes between the 2nd and 4th of January each year.
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It depends on how you define "day". A "solar day" is roughly from sunrise to the following sunrise, or more exactly noon to noon. A "sidereal day" is one complete rotation of a planet relative to the background stars. The orbit of the planet around the Sun affects how the sidereal day is related to …
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Subsolar PointBy definition, the subsolar point is the point on the Earth's surface at which the Sun is at its highest (or lowest) latitude at local solar noon. The Subsolar point changes continually as the Earth rotates and seasonally moving from 23.5 degrees South to 23.5 degrees North (the solsti…
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Mars Polar Cap The southern polar cap is larger and colder. It is composed of carbon dioxide (dry ice) while the northern is mainly water ice (which freezes at a warmer temperature, therefore the dry ice cap in the south is colder).
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Jupiter's Most Well-Known Feature I would say it would be the RED SPOT, a centuries-old swirling storm within Jupiter's gaseous atmosphere. Either that or his Great supporting roles in most of the Hercules movies..going under the stage-name ZEUS.
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Mercury, Venus, and Mars all have longer days, both solar and siderial (rotational) days.Each rotation of Mercury takes 58.65 Earth days, Venus takes 243 Earth days, and Mars takes 1.03 Earth days (24.6 hours).There could be exoplanets with a period of rotation longer than our day. The five dwarf pl…
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It takes about 1,000,000 [1] years, on average. for a photon to travel from the Suns core to the surface. Neutrons make the same passage in seconds. This is because the density is so great at those depths, that there is always something in the way to prevent the photon from getting to the surface. …
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No, it does not. For a planet to have liquid water, it must be the perfect distance from the sun, not so close that it boils away, and not so far that it freezes.There is no liquid water on Mars, it is generally far too cold and the atmospheric pressure is too low. While there are certain places (ne…
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Earth Without Light Presuming the question is about what happens if the sun, our principal source of light, suddenly disappeared, what follows is a scientifically credible answer: Without sunlight, plants die, then animals die. Without sunlight earth's atmosphere cools. Note that the Earth does n…
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If you mean the light of the sun, all life on earth would end. The sun is the engine that drives our planet. No light - no photosynthesis. All vegetation dies. Further, if there's no light, there's no warmth. The planet freezes over, and the planet dies.
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Mercury's Features The Caloris Basin. The diameter of it is approximately 1300km.
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Planetary Status World astronomers have declared that Pluto is no longer a major planet under new guidelines. It is now considered a "dwarf planet". History From its discovery in 1930 until 2006, Pluto was counted as the Solar System's ninth planet. In the late 20th and early 21st centuries, howe…
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As Pluto, a dwarf planet, is no longer counted as a planet, there are now only 8 known planets in our solar system. It remains to be seen if the discovery of extra-solar planets affects how we classify objects within our solar system. Several hundred likely planets have been detected orbiting other…
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Its under the intake manifold. Buy a repair manual and have at it. If your-re a decent wrench and have plenty of tools you can do it. Dealer wants about $1200 to do it. Starter costs about $250
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Jupiter has a faint ring system comprised of three main rings: an inner torus, known as the halo, a relatively bright main ring, and an outer gossamer ring. You cannot see the rings of Jupiter with the naked Eye. They are too thin.Jupiter has a set of faint rings.
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Venus and Mercury are the only planets in our Solar System without any natural satellites (moons).Neither Mercury nor Venus have any moons.
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Metal Bench Hotter than a Wooden Bench? This is all down to how good a material can conduct heat. Metals conduct heat much more readily than wood. This means that if you were to heat the ends of 2 identically sized rods, 1 of steel and 1 of wood, (think of 12" steel and wooden rulers) the hea…
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Saturn's Yellow Bands All of Saturn's rings are primarially made of water ice. The colors come from trace elements, which vary in composition depending on how far from the planet the ring is.
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Answer Yes, Saturn's day is 10 hours and 40 minutes long.
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Answer Saturn
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The mass of the sun is 1.99 ×1030 kg. That is 332,946 times the mass of Earth or 1,048 times the mass of Jupiter. The total mass of the sun is about 745 times greater than the mass of all planets put together. The Sun contains about 99% of the total mass of the Solar System.
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For 2012 and 2013, Pluto will be about 3.1 billion miles from Earth.Pluto's average distance from the Sun is 39.4 AU. (An AU is an Astronomical Unit and is defined as the average distance between the center of the Earth and the center of the Sun.) One AU equals 92,955,807 million miles. But Pluto's …
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Light Produced by the Moon - NONE!It only reflects light from the sun. Moon actually cannot produced its own light, in fact as what above stated it only reflects sunlight from the surfaces.
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Satellites Visible in the Night SkyAbsolutely! Especially late dusk when their solar panels catch the sun and shine it your way. The International Space Station is the third brightest object in the sky, only surpassed by the sun and the moon. If you are using Ubuntu go download GNOME Predict, of sim…
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I think no but I think Saturn have less density than water and it can float on water. ------------------------------------------ Venus has a density of 5.24, where water has a density of 1.0. All the "terrestrial" planets are typically as dense as rocks; that's why they are sometimes called "rock…
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Saturn, for one It is said that if you could find an ocean on Earth large enough to accommodate it, Saturn would float. That is, Saturn's average density is less than the density of water. Turns out it's the only planet with an average density less than 1.000, that is, less than the density of …
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Names of the Planets Mercury - named after the Roman mythological counterpart of Hermes, the Greek god of messengers, commerce, thieves, and sports. Named as such because of the speed at which it revolves around the Sun. Venus - named after the Roman mythological counterpart of Aphrodite, the Greek…
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It depends on whether you are a female or a male and where you live, etc. Ask a doctor this one. Sleep, however, I can answer. Try to get a good, solid 8 hours of sleep a night, at the least. Also, note that sleeping goes in cycles of about 45 minutes, so if you can line it up to that, all the bette…
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Asteroids. Sometimes Dwarf planets are called minor planets also.
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Ursa Major means the Great Bear. This large constellation incorporates the Big Dipper
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Why Stars Glow Stars glow for the same reason that the sun glows. They are gigantic balls of flaming gases. The reason the stars look so small, is the incredible distance between earth and the stars. (The light that we see from the stars can be millions of years old because it took that long for …
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Why the Moon Revolves Around the Sun Technically, it doesn't. The moon revolves around the earth, kept in orbit by the earth's gravitational pull. Because the earth revolves around the sun, the moon incidentally makes the same trip. Answer I remember reading somewhere an analysis to the effec…
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Mercury and Venus are the only two major planets in our solar system without moons. They are the two planets closer to the Sun than Earth.Two of the five dwarf planets have no known moons : the asteroid Ceres and the Kuiper Belt object Makemake.Neither Mercury nor Venus have any moons.
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Answer They are made from crystallized ammonia. This answer is certianly correct.
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The planet that has the longest day is either Venus or Mercury, depending on the definition of "DAY" which is used.
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About 30 Earth years. 29.657296 Earth years. It takes Saturn 29.657296 Earth years to orbit the sun once.
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Minor Planets The term minor planet is still used, but after reclassification in 2006 these are now generally referred to as dwarf planets. Dwarf planets orbit the sun, but are not satellites, that is to say that they do not orbit another planet, since then they would be classified as moons. They a…
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Answer Comets are usually made of high amounts of Hydrogen, Nitrogen, Water, and also may contain Silica, traces of metal, and oxygen, like a giant dirty snow ball. In space as the cosmic radiation smashes into the comet at near speeds of light and heats the outer layer, bits and pieces fall off …
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it came to an end in 1994
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The average distance is about 150 million kilometers (149.6) or 93 million miles (92.9). This is defined as 1 astronomical unit, or AU, and is equal to about 8.2 light-minutes, as light from the Sun takes about 8 minutes to reach Earth. Earth's orbit is actually not perfectly circular so the dista…
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Brightness of a Star How bright a star appears to us depends on what type of star it is, and how far away it is. Brightness and temperature are the two characteristics of a star that are plotted on the Hertzsprung-Russell diagram. Distance, Temperature, any intervening bodies, and the materia…
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The yellow bands on Saturn are formes by Crystallized ammonia.
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Because they formed and collapsed under the force of their own gravity.
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Without the Moon, Earth would often be a much darker place at night.The tides would still occur, but would be driven only by the Sun. So, they would be considerably less dramatic and powerful than what we have. Tidal differential and intertidal zones would be much smaller. All tides would be much w…
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Ursa Major Stars are scattered randomly across the sky. Apart from the rare exceptions, the stars that make up constellations have absolutely nothing to do with each other except that they're close to the same direction from the solar system. The stars which make up the Big Dipper are actually hundr…
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On average Earth's moon is about 238500 miles or 384,000 kilometers from the Earth.
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Earth is a planet (also known as Terra) orbiting the star called Sol, or the Sun. It is smaller than many, with a rocky crust and an atmosphere of nitrogen, oxygen, and other trace gases. It has water in all three phases, and associated thermal and tidal activity. It has a magnetic field due to its …
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no it's a dwarf planet I would think that it is a dwarf planet, but its moon, Sharon, is nearly as big as it, so some MAY argue that Sharon is a dwarf planet and Pluto is the moon, but considering Pluto is slightly bigger than Sharon, I would think that Sharon would orbit Pluto rather than Pluto orb…
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Moon craters are like the craters on every body in the Solar System: the physical evidence of impacts by meteoroids, which may be small asteroids or fragments of comets.
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The Greeks noticed that the planets moved across the skies faster than the stars and proposed that they were Gods, going about on the business of Gods. At the time it was probably just as much whimsy as a real belief that the Gods were driving their chariots across the skies, but as with most re…
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238,857 miles
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Water on Mars: Not free flowing water. But images returned from NASA space missions suggest that water used to flow as you can see dry river beds on the surface of the planet. From images and techniques used to measure Ice levels on earth, it appears that at the polar extremes of the planet there ar…
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yes it has water in it...
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The scale below is given as an instructive tool, to give a general idea of how the magnitude scale works. The scale below is intended to be roughly visual; the human eye's (dark-adapted) detection efficiency peaks around 495 nanometers, while the formal photoelectric V peak (a filtered band intended…
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