A star is one, a galaxy is many.
A galaxy contains planets and a star system contains only stars.
A galaxy is a collection of billions of stars. The brighter of these may show up separately, if sufficiently magnified.
The Galaxy, also call the Milky Way, is made of stars. Other, distant star systems are called galaxies (lower case g) by analogy.
A solar system is a single star in this case the SunA galaxy is an area in the universeA universe is every thing.
Universe -> galaxy -> star -> planet
The milky way is where there is a lot of stars at each end of the galaxy And a star is a matter mostly of gas pressured together
A satellite galaxy is one that revolves around another galaxy.
Unless you have a extremely powerful telescope, a galaxy and a star look almost the same.
clouds of gases and dust
The milky way is where there is a lot of stars at each end of the galaxy And a star is a matter mostly of gas pressured together
The arms of the Spiral Galaxy are mostly located in one plane.
A galaxy is a massive collection of stars, most orbiting around a supermassive black hole.A pulsar is a rapidly rotating neutron star that emits a beam of electronic radiation.See related questions.