What If Mars Hit Earth?
We all know how planets in the solar system all revolve around the Sun, and they have been doing so – and they will keep doing so – for a long time. When ancient astronomers first began to understand the motion of planets as seen from Earth, they started believing in some kind of harmony, some kind of perfect balanced … Continue reading
Cosmic Collision: Earth May Have Collided with Mercury Sized Planet in the Past
HOUSTON — Research by Rice University Earth scientists suggests that virtually all of Earth’s life-giving carbon could have come from a collision about 4.4 billion years ago between Earth and an embryonic planet similar to Mercury. In a new study this week in Nature Geoscience, Rice petrologist Rajdeep Dasgupta and colleagues offer a new answer to a long-debated geological question: … Continue reading
Earth is actually two planets, scientists conclude
Our home planet is actually two planets, scientists have said. Or at least, it’s made up of two planets. Edward Young and his team at the University of California said the orthodox belief on the origins of Earth and the Moon – that a smaller planet, Theia, grazed the Earth and send a chunk into Earth’s orbit – was false. … Continue reading
