I think you are refering to the planet Nibiru.
The planet only exists in science fiction and internet hoaxes.
Yes. No planet comes as close to Earth as Venus does, though Mars can be closer at times.
Yes. No other planet in our solar system even comes close.
The fictional character Superman was born on planet Krypton and was sent to Earth as a baby just before the planet was destroyed.
Mercury is the first, nearest, closest planet to the sun. Then comes Venus, Earth, Mars and Jupiter. Followed by Saturn, Uranus and Neptune. Pluto is considered a "Dwarf" planet, not a real planet, more like a moon than a planet.
Earths atmosphere is rich in Oxygen, some 21% of the air is Oxygen. There is oxygen on other planets, but the percentage comes nowhere close to this. The percentage of Oxygen in earths atmosphere is thought to have been much higher in the past, before animals were about, but after the arrival of plants.
The order of planets is Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune.
He comes from the planet Earth.
Dwarf planet Pluto is on average 5900 million miles from the sun. It orbit is quite eccentric, sometimes it comes as close as 4437 million miles, at its furthest it is 7376 million miles from the sun.
Doctor Who comes from the planet Gallifrey.
Mars come after Earth
yes from the word 'planet'
Superman comes form the planet Krypton.