Galaxies are made mostly of empty space. The most common elements however are hydrogen and helium.
Stars
A dwarf galaxy might contain this number of stars. A galaxy will contain billions of stars.
Yes. A galaxy does contain an average of 100 billion solar masses.
No. The super massive black hole at the center of the galaxy has about 4 million times the mass of the sun while the galaxy as a whole has at leas 1 trillion solar masses. In other words the black hole at the center of the galaxy accounts for about one twenty-fifth of one percent of the galaxy's mass.
The smallest galaxy - a dwarf galaxy - will contain stars upwards of 30 billion stars. You are thinking of an open cluster, which as the name suggests, is a cluster of stars, not a galaxy. An open cluster is a group of up to a few thousand stars.
There are a lot of stars in our galaxy but then again im on 8 yrs old
An average giant galaxy contains a trillion or more stars.
400 billion
All galaxies contain hot blue stars...
Our galaxy, known as the Milky Way, has an estimated 200-400 billion stars.
Our galaxy, the Milky Way, is a spiral galaxy. It consists of a central bulge surrounded by spiral arms that contain stars, gas, and dust. We are located on one of the outer arms of the galaxy.
If it does not contain meat it is vegetarian