When Milky Way and Andromeda Collide, Earth Could Find Itself Far From HomeJR Minkel
After about 5 billion years, the Milky Way will be no more. Our galaxy is set to collide with our neighbor Andromeda to create the so-called Milkomeda galaxy. Astronomer Lauranne Lanz of the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., is part of a team that has assemble...
The Milky Way and Andromeda are gravitationally locked to one another. The "common gravity well" that we are located in can't be affected by the expansion of the Universe. That's why our two galaxies are going to collide in the future. ...
Once inside the Sun’s atmosphere, the Earth will collide with particles of gas. Its orbit will decay, and it will spiral inward. If the Earth were just a little further from the Sun right now, at 1.15 AU, it would be able to survive the expansion phase. If we couldpushour planet o...