Our Solar System – Size Of Planets and Stars to Scale

music is from the movie “The Island” composed by Steve Jablonsky 1. This Tongue Thing’s Amazing 2. The Island Awaits You _____________________________________________ Pluto Mercury Mars Venus Earth Neptune Uranus Jupiter Saturn Sun Sirius Vega Pollux Arcturus Aldebaran Rigel Deneb Pistol Star Betelgeuse Antares VV Cephei planets stars universe astronomy solar system science asteroids space Pluto [...]

What aspect of the motions with respect to the Sun distinguish Mercury Venus from the other planets?

The planets that can be observed with the naked eye—Mercury, Venus, Mars, Jupiter, Saturn—move with respect to the fixed stars and with respect to the Sun.
What are the received values for the distances of the planets (including the Earth) from the Sun?
What aspect of the motions with respect to the Sun, observed over time with [...]

Why is the chemical composition of the Earth and the other terrestrial planets so different from the sun?

Why is the chemical composition of the Earth and the other terrestrial planets so different from that of the sun? Why is the chemical composition of Jupiter and other Jovian planets more similar to the sun’s?