There are other galaxies. Between the galaxies, there's lots of mainly empty space, with a very tenuous gas.
No one knows that because we have not explored outside the universe. If you are thinking about the galaxy, it looks like a straight line from Earth and a circular object from outside the galaxy.
No. "Universe". We can see things outside our galaxy.
Nobody is sure what is outside the universe. Some say there is an unimaginable ocean of time in which new universes failing or succeeding. Some go with the multiuniverse theory and say there are other universes outside. Some have claimed that there are wormholes outside the universe, which lead where nobody knows. If we say outside a galaxy, it just means outer space.
I forgot her name but she is from a planet outside our galaxy.
The order from largest to smallest is universe, galaxy, star, and planet. The universe encompasses everything, including galaxies like the Milky Way. Within galaxies, there are stars like our sun, and planets like Earth.
the universe is bigger than the galaxy because our galaxy (the milky way) is in the universe.
Actually a galaxy is in a universe
A galaxy is a tine part of the universe.
The universe contains countless galaxies, think of the universe as a galaxy of galaxies.
The universe contains countless galaxies, think of the universe as a galaxy of galaxies.
galaxy is in the universe
Like our galaxy contains billions of stars, the universe contains billions of galaxies.