Mars
the forth planet by the sun
Yes
Mars is the forth planet. Sun, Mercury, Venus, Earth and then Mars
mars is the forth planet from the sun
Neptune with an equatorial radius of 24,764 about 3.88 that of the Earth [See Link]
Mars is the fourth planet from the Sun in our solar system, following Mercury, Venus, and Earth.
Two, like every other planet, star, and so forth.
If a distant star has a slight back and forth motion then it may be located near a planet. The gravitational force of the planet will cause the star to move.
In the solar system, Mars is the 4th planet from the Sun, following right after the Earth.
No planet has truly unlimited oxygen. Life on earth is able to reuse the oxygen in the air by cycling it back and forth between plants and animals (including people).
The Earth is in fact the fifth largest or the forth smallest depending on you frame of mind.
The further away from the sun, the colder it is. So therefore, the planet Neptune would be the coldest, followed by Uranus, then Saturn and so on and so forth.