# Astronomy

posted by .

Why is most of the mass of the solary system contained in the Sun?

Briefly describe the protoplanet theory of planet formation.

thanks.

• Astronomy -

## Similar Questions

1. ### Astronomy

Suppose that, in the future, observations with some new telescope reveal a planet about 16 AU from a star whose mass is the same as our sun's mass. How long does it take the planet to orbit the star?
2. ### science i neeeddd help

How did the sun wind up in the middle of the solar system?
3. ### astronomy

Observations with the Hubble Space Telescope revealed a planet about 16 AU from a star whose mass is the same as our Sunâ€™s mass. How long does it take the planet to orbit the star?
4. ### Astronomy

Orbital speed is the speed with which a planet moves around the sun. The speed is determined by: a)the mass of the planet only b) the mass of the sun only c)both the mass of the planet and the mass of the sun d)the mass of the planet …
5. ### Astronomy

Suppose that future observations with a new telescope reveal a planet about 16 AU from a star whose mass is the same size as our sun's. How long does it take the planet to orbit the star?
6. ### Physics

A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=43000 m/s. What is the mass of that sun?
7. ### Astronomy

If we assume the Sun is made totally out of hydrogen, how many hydrogen atoms are contained with the Sun?
8. ### Astronomy

Mass of the Sun = 1.989 x 10^30 kg Mass of Hydrogen Atom = 1.00794 grams If we assume the Sun is made totally of hydrogen, how many hydrogen atoms are contained within the Sun?
9. ### science

if all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun?
10. ### astronomy/physics

If the Solar System had formed right after the Big Bang, it would have lacked oxygen (O), and therefore water (H2O). Using the solar nebula theory, describe what would have been most different about the planet formation process and …

More Similar Questions