Theia, the planet at the origin of the Moon, may have formed close to the Sun
If the Moon is the natural satellite of the Earth, this has not always been the case. Indeed,…
How a young Jupiter saved Earth from falling into the Sun
Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals,…
How a planetary crash with Theia brought water and life to Earth
About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in…
Turns Out Cosmic Dust Isn’t Actually Miniature Rocks After All
Featured in this image from the NASA/ESA Hubble Space Telescope is a lenticular galaxy called NGC 4753 with…
5 mysteries of the solar system that still baffle scientists
In 2017, astronomers detected ‘Oumuamua, an interstellar object passing through our solar system. Its unusual shape and acceleration…
James Webb Finds Evidence of Free-Floating Planets So Large They Can Gather Their Own Planetary Systems
So much for heliocentrism. An international team of astronomers using observations made with the James Webb Space Telescope…