What will happen if the Milky Way collides with the Andromeda Galaxy?
What will happen if the Milky Way collides with the Andromeda Galaxy?
Our Milky Way galaxy is destined to collide with our closest large neighbour, the Andromeda galaxy, in about five billion years. Scientists can predict what’s going to happen. The merger will totally alter the night sky over Earth but will likely leave the solar system unharmed, according to NASA.
What would happen to Earth if the Milky Way and Andromeda collide?
Excluding planetary engineering, by the time the two galaxies collide, the surface of the Earth will have already become far too hot for liquid water to exist, ending all terrestrial life; that is currently estimated to occur in about 3.75 billion years due to gradually increasing luminosity of the Sun (it will have …
What is the result of a galaxy collision?
When you’re wondering what happens when two galaxies collide, try not to think of objects smashing into each other or violent crashes. Instead, as galaxies collide, new stars are formed as gasses combine, both galaxies lose their shape, and the two galaxies create a new supergalaxy that is elliptical.
How will the collision of the Andromeda galaxy with the Milky Way affect the night sky on Earth?
When Andromeda slams into the Milky Way, a trillion new stars will light up the night skies above Earth. The cosmic merger, according to NASA, will result in a head-on collision on an unimaginable scale. Andromeda will warp the shape of the Milky Way and our Sun is likely to be punted to a different part of the galaxy.
What are 2 effects of galaxy collisions?
When the galaxies collide, it causes vast clouds of hydrogen to collect and become compressed, which can trigger a series of gravitational collapses. A galaxy collision also causes a galaxy to age prematurely, since much of its gas is converted into stars.
How long until our Sun dies?
Astronomers estimate that the sun has about 7 billion to 8 billion years left before it sputters out and dies. One way or another, humanity may well be long gone by then.
Are stars destroyed when galaxies collide?
Stars will be thrown out of the galaxy, others will be destroyed as they crash into the merging supermassive black holes. And the delicate spiral structure of both galaxies will be destroyed as they become a single, giant, elliptical galaxy.
What happens when stars collide?
When they meet, their merger leads to the formation of either a heavier neutron star or a black hole, depending on whether the mass of the remnant exceeds the Tolman–Oppenheimer–Volkoff limit. This creates a magnetic field that is trillions of times stronger than that of Earth, in a matter of one or two milliseconds.