Recent questions tagged planets

Description : What would happen if Pluto's moon Charon's radius increased 10x?

Last Answer : You can’t assume they wouldn’t crash, because that is the most likely result due to gravity. They would either meld together, or they would each fragment.

Description : Can a supernova remnant have a habitable zone?

Last Answer : A habitable zone planet is defined as a planet within a proscribed distance from a star, not too close, not too far. Since the remnants of a supernova explosion means there isn't a functioning ... And, any planetary matter would probably be destroyed by the supernova explosion. So short answer, no.

Description : What is the formula for how far a planet has to be from its sun to have a moon?

Last Answer : How do you know that? Last I read, there was not even any particularly prevalent theory about why Mercury and Venus have no moons. So unless there's something new, I don't think it's true ... increased traffic closer to the sun having been more likely to disrupt moons closer in). So, no formula.

Description : What would happen to the dwarf planet Pluto if all its moons collided with it except Charon?

Last Answer : Depending on how they collide,either the mass of the moons would be combined with Pluto, or there would be a massive ejection of matter away from the surface, some of which could escape the Pluto-Charon ... of dust in the air. I imagine its appearance would be a lot lumpier looking than at present.

Description : Would the planet Venus have already slammed into Earth if it was 10,000,000 miles farther from the sun?

Last Answer : No, it would still be about 20 million miles away. But the gravitational effect of Venus would be more significant, although still not as great as that of the moon.

Description : If there is a person on another planet, and his year is 80 Earth's years, how far would his planet have to be from the Sun?

Last Answer : Here you GO * * * Uranus takes 84 years to orbit the sun it is 2,870,972,200 km from the sun or 1,783,939, miles.

Description : Trivia time. What are the origins of the names of the 8 planets and Pluto?

Last Answer : Gods.

Description : Can somone link me to a site that lists all planets discovered ?

Last Answer : You might be able to find what you are looking for here.

Description : Couldn't sentient extraterrestrials live on planets we imagine as inhospitable?

Last Answer : Not hard for me to imagine. I’ve always believed that life is varied in the universe. Varied, but abundant. Too many chances for life to spring up. The kind of life we would recognize and I’m sure scores that we wouldn’t know were living things.

Description : Do you believe this incredible statement I heard on tv about how many planets exist?

Last Answer : Imagine if they used all the grains of sand from Tatooine to say the number of planets

Description : What are the rings of the planet Saturn composed of?

Last Answer : I would check out the wikipedia entry.. http://en.wikipedia.org/wiki/Rings_of_Saturn

Description : What are planets and moons made of? 

Last Answer : Scientists think that the planets and their moons were made from the same gas cloud that formed the Sun.

Description : What is the Solar System made up of?

Last Answer : The Sun and all the planets and moons make up the Solar System. (The Sun and all the planets, satellites, asteroids, meteors, and comets that are subject to its gravitational pull)

Description : What are planets?

Last Answer : Bodies that go around the Sun are called planets. (An astronomical object that orbits a star and does not shine with its own light)

Description : What is a galaxy?

Last Answer : An island of stars spinning through space is called a galaxy.  

Description : What are nebulae?

Last Answer : Nebulae are the clouds of gas and dust in space. These clouds are called nebulae.