How is the milky way different from other galaxies?

Answer The Milky Way galaxy contains 200 to 400 billion stars and is 100,000 light years wide and 1,000 light years thick. The Milky Way galaxy is a barred spiral, and is only one of more than 3,000 visib... Read More »

Top Q&A For: How is the milky way different from other galaxies

Is the Milky Way eating other galaxies?

The large Milky Way galaxy absorbs smaller galaxies that come in its path. Currently, the Milky Way is incorporating stars from the dwarf galaxy Sagittarius--and several other galaxies may be next,... Read More »

How many stars are contained in the most massive galaxies compared to the Milky Way?

The Milky Way has at least 200 billion stars and possibly as many as 400 billion. The largest galaxies we know of are giant diffuse galaxies and brightest cluster galaxies. M87, a giant diffuse gal... Read More »

How old are most galaxies?

As of June 2010, observed galaxies in the universe range in age from 500 million years to more than 10 billion years old. The average age of a galaxy depends on its location. Galaxies throughout th... Read More »

How many different galaxies do we have?

In 1999, the Hubble Space Telescope estimated the universe contained 125 billion galaxies. As observations increase and scientists explore more of the universe, the number of galaxies detected will... Read More »