The Counter-Earth is a hypothetical body of the Solar System that orbits on the other side of the solar system from Earth.
What planet is the opposite of Earth?
Venus The atmosphere is so thick that, from the surface, the Sun is just a smear of light. In some ways it is more an opposite of Earth than a twin: Venus spins backward, has a day longer than its year, and lacks any semblance of seasons.
Could there be another Earth on the other side of the sun?
No. Just no. This is a delightful staple in science fiction. There's a mysterious world that orbits the Sun exactly the same distance as Earth, but it's directly across the Solar System from us; always hidden by the Sun.
What if there were 2 Earths?
Since the Earth travels at almost 19 miles per second, or 67,000 miles per hour, two Earths smashing into each other would wipe out all life on each of them instantaneously. A second Earth wouldn't necessarily need to share our exact orbit, though.
What if Earth had a sister planet?
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Can the Earth spin backwards?
No, the Earth will not start to rotate in the opposite direction. Ever. The reason Earth maintains its direction of rotation is conservation of angular momentum. Just like a moving body resists changes in velocity because it has linear momentum, a rotating body will resist forces that try to change its rotation state.
Are there any planets that don’t rotate?
All eight planets in the Solar System orbit the Sun in the direction of the Sun's rotation, which is counterclockwise when viewed from above the Sun's north pole. Six of the planets also rotate about their axis in this same direction. The exceptions – the planets with retrograde rotation – are Venus and Uranus.
Why can we not leave the Sun behind?
The earth is literally falling towards the sun under its immense gravity. So why don't we hit the sun and burn up? Fortunately for us, the earth has a lot of sideways momentum. Because of this sideways momentum, the earth is continually falling towards the sun and missing it.
Is there a hidden planet at L3?
"NASA is unlikely to find any use for the L3 point since it remains hidden behind the Sun at all times. The idea of a hidden "Planet-X" at the L3 point has been a popular topic in science fiction writing.
Is there a duplicate of Earth?
NASA's Kepler telescope has discovered a new planet that is the closest mimic of our celestial home ever known. Stare at the constellation Cygnus in the night's sky, and you'll be looking straight at this newly discovered world, which NASA has dubbed Kepler-452b.