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The Solar System

Ever wondered if there is life on Mars? Or if Jupiter has five moons? Look no further; here is the category concerning all questions about our solar system and the known planets!

4,302 Questions

How many are the celestial bodies found in your solar system?

There are eight known planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Additionally, there are five recognized dwarf planets: Pluto, Eris, Haumea, Makemake, and Ceres. The solar system also contains numerous moons, asteroids, comets, and other smaller celestial bodies.

Which planet is the most massive planet in the solar system?

Jupiter is a bigger planet than the earth......
Jupiter is the most massive.
Jupiter.
Jupiter
JUPITER
Of all the planets that revolve around our sun that would definitely be the planet Jupiter.

Jupiter is the most massive.
Jupiter is the biggest planet in the Solar System by mass, volume, and surface area.
Yes. It has a mass of 1899x1024kg, which is three times the mass of Saturn (the second largest planet), and over 300 times the mass of Earth.

That statement is true.
yes it is. the sun isn't a planet, its a star, so Jupiter is the largest planet in our solar system :)

Which planet in the solar system has the longest revolution period?

Revolution of a planet can mean two things:

* orbital period - the time it takes to orbit the Sun - then the answer is Neptune, the farthest planet. Neptune takes about 165 years to orbit the sun once. It is thus the planet in our solar system with the longest period of revolution. The dwarf planet Sedna may take as long as 12,000 years to orbit the sun.

* rotational period - the time it takes to spin on the axis - then the answer is Venus. Venus has the longest period of rotation (day) at 243 Earth days.

Eris, which is larger than Pluto, orbits once every 557 years.

The planet with the longest period of revolution is?

Neptune has the longest period of revolution among all planets in our solar system, taking about 165 Earth years to complete one orbit around the Sun.

Why does a spaceship burn up when going through the atmosphere?

A spaceship burns up when going through the atmosphere due to friction and the sheer speed in which they are traveling. Most spaceships have heat resistant materials on the bottom to prevent this problem.

What is a consequence of the discovery of hot Jupiters for the nebular theory of solar system formation?

partcles heading towards one anther take on characteristics because going away from its origin causes partcles to resist that direction ,it cant go in its origin direction but in its opposite purging direction flat flaten out so how do you no which one you are you cant mirrors lie

Which planet is the cald sidewase planet?

Uranus is the planet known for its unique characteristic of rotating on its side. This means that its axis of rotation is tilted almost parallel to its orbit around the sun, giving it a distinct appearance compared to the other planets in our solar system.

Why is the sun the biggest planet in your Solar System?

be

Our own Sun is not at all bigger or brighter than other stars- in terms of overall stellar magnitude, it actually ranks as quite small. It just seems bigger and brighter to us because we are much closer to it than we are to any of the others.

Many stars in our galaxy are very much bigger than our own, but it doesn't seem like that to us because we are so much further away from them.

What is the fastest rotating body in the solar system?

The fastest rotating body in the solar system is the star, Regulus. It has an equatorial rotational velocity of about 288 km/s.

What is Earth's posistion in the Solar System?

the earth's position in the solar system is the third from the sun.

Are stars part of the solar system?

No, stars are not part of the solar system. Stars are massive celestial bodies that produce their own light and energy through nuclear fusion. Our solar system is comprised of the Sun, planets, moons, asteroids, and comets.

What are the dimensions of the sun?

The sun is a medium-sized yellow star. This means it has several billion years before it expands and envelops the earth.

What is the largest impact basin in the solar system?

The largest impact basin in the solar system is the South Pole-Aitken Basin located on the Moon. It is over 2,500 kilometers (1,553 miles) in diameter and is one of the oldest and largest basins known in the solar system.

Surface processes do you think is the most common in the solar system?

Erosion through wind and water is a common surface process in the solar system, particularly on Earth and Mars. Impact cratering from asteroids and meteorites also shapes the surfaces of many planetary bodies.

What are the average temperatures of the planets in the solar system?

All planets have very different temperatures at the surface.

Mercury's Maximum Temperature 465°C (870°F)

Mercury's Minimum Temperature -184°C (-300°F)

Venus' Average Temperature 449°C (850°F)

Earth's Average Temperature 7.2°C (45°F)

Mars's Maximum Temperature 36°C (98°F)

Mars's Minimum Temperature -123°C (-190°F)

Jupiter's Average Temperature -153°C (-244°F)

Saturn's Average Temperature -184°C (-300°F)

Uranus' Maximum Temperature -184°C (-300°F)

Neptune's Average Temperature -223°C (-370°F)

Why is the astronomical unit used when describing distances in your solar system?

Because the measurement of the solar system requires large numbers. It's far easier to use an Astronomical Unit (AU) than quote distances in miles. For example - the mean distance from the Earth to the sun is 93,000,000 miles. It's much easier to quote that distance as 1AU (It takes up less space on paper too !).

Did the solar system almost become a binary star system?

No, the Solar System had a long way to go to become a binary star system. If Jupiter had been twice the mass, it's interior would have had enough pressure and high enough temperature to generate nuclear fusion, and it would have become a dwarf sun.Even so, Jupiter radiates more heat than it receives from the sun.

Is Venus the hottest planet in the solar system?

Venus has the highest surface temperature of the 4 terrestrial planets. The gas giants have hotter interiors, but they do not have the same differentiation of surface/atmosphere that the smaller planets do. Venus has the hottest Earth-like location that human technology can currently access, and is especially interesting because of the planet's similarities to Earth in composition and size.

Is Earth the densest planet in your solar system?

No, Earth is not the densest planet in our solar system. Mercury holds that title, with a higher average density due to its large metallic core relative to its size. Earth's density is lower because it has a significant amount of lighter materials in its composition.

How do scientists find new asteroids in your solar system?

the main way scientist find new asteroids is through imaging them. They bring telescopes' large reflectors to a location in an area where they think the planet will be. They take an image, and then, from a couple minutes to a couple weeks later, they take another image of the same spot. anything that moves from each slide, they will check to see if it is an already existing and known object, or a man-made object, or fake. If the object is real, they will take several follow-up pictures to learn more about the asteroid's speed/trajectory/distance from the sun. the asteroid has been assigned a classification number once it has been proven to exist. once the orbital/physical mechanics of the asteroid have been discovered, the asteroid will be named. The namer may name the asteroid (only if it is a minor body) whatever they want, from xyyxxxxyyyzzz to blue purple-greenscreen. If the asteroid is large, it will be named according to what part of the solar system it resides in.

What planet in your solar system has a moon almost as big as itself?

It depends on which planet your referring too. If your referring to a smaller planet like Mercury that's easy, there is Titan and Callisto. If you are referring to a bigger planet such as Jupiter,which has the most moons orbiting around it in the Solar System, there are no known moons bigger than it.

What planet has the shortest year in the solar system?

Mercury does. It's the planet closest to the sun, so therefore it's orbital rotation around the sun will be the quickest.

How many planets are there in this solar system?

There is 8 planet in the solar system the rocky planet is Mercury Venus Earth Mars, then there are the gas giants way way way bigger then the rocky planets Neptune Uranus Saturn and the biggest planet in the solar system Jupiter

What is beyond the solar system?

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 originally labelled 2003UB313, now called Eris, which is larger than Pluto. It was originally nicknamed Xena, and its moon was originally nicknamed Gabrielle after Xena's sidekick in the TV series. It's now called Dysnomia - after the Greek goddess of lawlessness. (See, they couldn't resist putting a Xena reference in after all!) The Kuiper Belt extends from Neptune's orbit to about 100AU from the Sun (an AU being an astronomical unit, the distance from Earth to the Sun), which means that most of the Kuiper Belt lies beyond Pluto.

At the moment Eris is the farthest thing known from the Sun, as its eccentric orbit takes it far beyond the main Kuiper Belt. An object discovered in 2004, Sedna, is a little closer and around half the size of Pluto. However, Sedna's orbit is extremely elliptical, and it stretches out for hundreds and hundreds of AU from the Sun - it's much further out than the Kuiper Belt, and at the moment, there's no known population of objects to which Sedna belongs, so it's quite a mysterious object!

There also is the Oort Cloud, where scientists speculate that comets come from - there are thousands if not millions of comets in the Oort Cloud at the far edges of our Solar system. The Oort Cloud is very far out and has never actually been observed, but its existence can be inferred from the orbits of long-period comets. The Oort Cloud is believed to extend out to around 1 light year from the Sun, or a quarter of the way to the nearest star.