Most of the planets were formed about the same time so we can cannot yet answer that question.
yes, atleast in this solar systm. there could very well be other '1st' planets in some other place. :)
Mercury is the first (closest to the Sun) planet in the Solar System.
1st from the sun.
Mercury .
the first planet out of the nine planets and the closest planet to the sun is mercury.First planet.
No mars is the fourth plane, because mercury is first planet,Venus is the second,and earth is the third planet.
No. It is the first planet around the sun. It goes, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Mercury is the closest planet to the Sun and has one planet[venus] between us[Earth] and Mercury.
If you are starting at the Sun and moving outward, Venus is after Mercury.
Venus is the second planet. The first is Mercury.
Mercury is closest to the Sun; however, seeing as Pluto is no longer a planet, Mercury is now the smallest planet as well.
When considering distance from the sun, the planet that come after Mercury is Venus.
the first planet out of the nine planets and the closest planet to the sun is mercury.First planet.
Venus is the 2nd planet. Mercury is the 1st planet.
Venus
No, Mercury is the closest planet to the sun, and Venus is the second planet from the sun.
No, they do not.
Venus
The planets in our solar system that do not have any moons are Mercury and Venus.
The closest planet to mercury is Venus.
No mars is the fourth plane, because mercury is first planet,Venus is the second,and earth is the third planet.