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Planetary Science

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.

25,144 Questions

Space and the universe in hangaroo?

In the game Hangaroo, the theme is not specifically about space and the universe. Hangaroo is a word-guessing game where players solve word puzzles to save a kangaroo from hanging. The game may have different themed puzzles, but not specifically about space and the universe.

What planet requires 59-60 earth days to complete one rotation on its axis?

The planet that requires 59-60 Earth days to complete one rotation on its axis is Mercury. Mercury is the closest planet to the Sun and has a slow rotation speed compared to its orbit around the Sun, resulting in a longer day-night cycle. This is due to its proximity to the Sun, which causes gravitational forces to affect its rotation.

What is the inner or outer diameter of the hose on a shop vac?

The inner diameter of a shop vac hose is typically around 1-1/4 inches, while the outer diameter is usually around 1-1/2 inches.

What greek word does asteroid come from?

The word "asteroid" comes from the Greek word "asteroeidēs," which is a combination of "aster," meaning star, and "-oeidēs," meaning resembling. Therefore, "asteroid" translates to "star-like" or "resembling a star" in Greek. This term was first used in the early 19th century to describe the rocky objects orbiting the Sun between Mars and Jupiter.

Does Mars have Mountains and volcanoes?

Yes! See pics here...Of course Mars has mountains! If it has craters, which it does, then it has to have mountains, which it does!

http://ssed.gsfc.nasa.gov/tharsis/global_paper.HTML

Mars's largest mountain is named Olympus Mons and is the largest one in the solar system.

Most of that mountain's slope is so low that if you were on that slope, You wouldn't realise you were on it.

Olympus Mons is an inactive volcano.

Yes. Mars had all of the topographic features that you would find here on Earth.

What are the similarities and differences between atom structure and solar system?

None. Many people think of atoms as miniature "solar systems" but that idea is very very wrong and misguided. Electrons do NOT orbit around the nucleus of an atom like the planets orbit the sun. At all. Not even a little bit. But teachers often make the comparison because it is pretty hard to understand how it really works!

When did Johannes Kepler discover the planets movements?

Johannes Kepler discovered the planets' movements in the early 17th century. His work on planetary motion led to the development of his three laws of planetary motion, which revolutionized our understanding of how planets move around the Sun.

How long is 30 moons?

normally when people are talking about a "moon" they mean a moon cycle which is how long it takes for the moon to do all its phases and is around 29.5 days to complete. So 30 moons would take around 8850 days aka 290.76 months aka 24.23 years

Which discovered galaxy has one of the oldest stars?

Ah, the galaxy you're thinking of is called the Milky Way's halo. It's a special place where astronomers have found some of the oldest stars in the universe. These stars have been shining brightly for billions of years, adding a touch of wisdom and beauty to our cosmic neighborhood.

Can you buy a planet?

Yes! Send me a million dollars and I'll sell you one. There are just a few remaining.

Actually the UN decided that you can't sell real estate in space, nor claim it as your own.

Unless...

You don't live in the UN. Then you can buy whatever you want.

I have a peice of Mars. For five bucks, I got five acres.

(I have 100 acres)

Where does the saying your big enough and ugly enough come from?

The saying "you're big enough and ugly enough" is a common expression used to convey that a person is able to handle a situation themselves due to their size or capability to stand up for themselves. It likely originated as a colloquial phrase in various English-speaking communities, without a specific known origin.

How old the planet earth is?

Oh, dude, the Earth is like super old. It's around 4.5 billion years old. Can you even imagine all the drama it's seen in that time? Like, it's been through so many geological makeovers, it's practically the ultimate reality TV show contestant.

What is the force the Sun exerts on the Earth?

The air pressure on Earth is caused by the weight of the atmosphere pressing down. This pressure is also known as "atmospheric pressure". Normal atmospheric pressure at the surface of the Earth is 101 kPa, 760 mm Hg, or 14.7 psig

If the sun was famous where would it go?

If the sun were to be "famous," it would likely be featured in various media outlets, such as magazines, television shows, and social media platforms. It may also be celebrated in cultural events and festivals around the world. In essence, the sun would be a prominent figure in the public eye, much like a celebrity making appearances at high-profile events.

Which is hotter original or mild Rotel?

Well, honey, the original Rotel is spicier than the mild version. It's all about personal preference - if you like a little kick in your dish, go for the original. But if you're a wimp when it comes to heat, stick with the mild. It's not rocket science, darling.

What is an object made of ice dust and rock that orbits the sun?

Oh honey, that's an easy one. It's a comet. A comet is basically a dirty snowball made up of ice, dust, and rock that orbits the sun in a beautiful dance. So next time you see a comet streaking across the sky, just remember it's nature's way of showing off its icy, rocky creations.

Which planet receives the least amount of energy from the sun?

Out of the eight remaining major planets, Neptunereceives the least amount of Sun energy.

The planet Neptune receives less solar heating than any other major planet, being farthest from the Sun. With a high internal heat, Neptune actually releases more than two-and-a-half times more energy than it receives.

Dwarf planets farther out than Pluto (e.g. Sedna, Eris) receive only a tiny, inconsequential bit of radiation from our Sun, which would appear as just a bright star at their great distance.

* Uranus, however, is the "coldest" planet, apparently due to its lower internal heat, lower tidal friction with moons, and its peculiar orientation with respect to the plane of its orbit.

Which planets are the most similar in size?

The two planets that are most similar in size are Earth and Venus. Earth has a diameter of approximately 12,742 kilometers, while Venus has a diameter of about 12,104 kilometers, making them very close in size. In fact, Venus is often referred to as Earth's "sister planet" due to their similar sizes and compositions.

What will happen when the earths polarity reverses?

Very little. Magnetic compasses will cease working. By the time earth's polarity flips most cars will probably have on board GPS units instead of electromagnetic compasses.

Bird migration paths may suffer some disruption.

Skin cancer rates are expected to slightly rise. Other than that, most people will continue on about their daily lives without knowing or caring.

Which planet has the shorter travel time by jet from earth-saturn or mercury?

Mercury. Travelling at around Jet plane speed (1000km/h or 600mph) it would take about 163 years to get to Saturn. It would only take 10.6 years to reach Mercury at its closest approach, travelling the same speed.

Which planet has 9 letters?

The planet that has 9 letters in its name is "Neptune." Neptune is the eighth and farthest known planet from the sun in our solar system. It is a gas giant with a blue color due to the presence of methane in its atmosphere.

What is Earth's average night temperature?

Earth's average nighttime temperature can vary widely depending on location, time of year, and local conditions. On average, nighttime temperatures on Earth range from about 50°F (10°C) to 70°F (21°C) in most regions, with colder temperatures possible in polar regions and higher altitudes.

Which planet would a spaceship need the largest force to take off?

Weight = mass * gravitational field strength

W = mg

The force to lift off is the force to overcome the force of weight.

As the mass doesn't change, the only variable affecting W is g, the gravitational field strength.

Which planet has the highest gravitational field strength, and that is your answer. (you probably have this in a data book or something, for reference, earth's gravitational field strength is 9.81 ms^-2 , sometimes simplified to 9.8 or 10)

Once you have worked out your answer, you should have got the planet: Jupiter.

I hope this helped,

Ibraheem.U

What makes denouncing the evildoer so effortless compared to other actions?

Denouncing an evildoer is often easier than other actions because it allows us to take a clear moral stand without having to consider the complexities of the situation or the consequences of our words. It provides a sense of moral superiority and can be a way to distance ourselves from the wrongdoing.