Milkomeda Billions of years from now the Milky Way Galaxy will collide with its nearest large neighbor, the Andromeda Galaxy. This view shows Andromeda's distorted arms from Earth's perspective.
Future Europa In the distant future, the Sun will enlarge and become a red giant. Temperatures will rise in the outer solar system, melting Europa’s ice into a liquid ocean. Jupiter’s weather patterns will become Earth-like.
Planetary Disk II, v2 The accretion disk surrounding the young Sun contains particles that range in size from dust to protoplanets. It is this dust that reddens and reduces the star's light.
Red Giant Sun 2 The Earth, shown here from the Moon's surface, will be completely waterless in 6.2 billion years when the Sun blazes as a red giant. Some aurora activity is seen near our home world's north pole.