i have so manyb Qs to ask pls help. 1.] what is the theory that offers the scientificallyb accepted explana?

Question

tionof the origin of the solar sys? 2.] what is the planet with the largest orbit? 3.] why is the planet not thrown off its orbit? 4] what members of the solar sys have very eccentric orbits? 5]the planet that rotate on its axis once in one complete revolution? 6] a planet that looks like a bright star and when viewed through a telescope it undergo phases just as the moon does?7] titan, the biggest satellite in the solar sys is the satellite of what planet? 8] a hardly visible planet even with the use of powerful telescope.its orbit is so tilted that astronomers believed it was once a satellite of neptune. 9] they are called " miniature planets"? 10] an english astronomer, first recognized that comets are members of our solar sys 11] it is not a star but a stray rock particle in space. when it enters the earths atmosphere as such a great speed, its friction with the air produces the brilliant glow 12] the path that followed by a planet in revolving around the sun is called?

Answer 1

1 - Nebular Hypothesis (the solar system formed from a solar nebula)
2 - used to be Pluto... now it's Neptune
3 - because of the sun's gravity
4 - Pluto, Ceres, Eris
5 - Mercury
6 - um... maybe Jupiter
7 - Saturn - although Titan is not the largest satelite in the solar system, Jupiter's moon Ganymede is the largest.
8 - Pluto
9 - dwarf planets, or possibly moons, or possibly asteroids (not a very specific question)
10 - possibly Edmond Halley... but I'm not sure what this question is looking for...
11 - shooting stars (meteors)
12 - an orbital plane