How are galaxies classified? Galaxies are classified or grouped by their shape. A galaxy is a collection of stars, gas, and dust bound together by gravity.
Spiral Galaxy M100 What is the difference between a galaxy and a nebula? A nebula is a cloud of gas and dust located between stars and/or surrounding stars. Answers for the Student Worksheet for the Hubble Space Telescope Scavenger Hunt Crab Nebula What is embedded in the center of the nebula? Neutron star Who first recorded this event? Japanese and Chinese astronomers recorded this violent event nearly 1,000 years ago in 1054, as did, almost certainly, Native Americans.
1 Instructions: Answers are typed in blue.
