Vocab
This is the shape of an ellipse.
What is oval?
This is the shape of an elliptical galaxy.
What is oval?
All galaxies in the universe formed due to this.
What is gravity?
True or false: The Milky Way is one of hundreds of billions of galaxies.
What is true?
Explain why the Moon orbits Earth and not the Sun. Give TWO reasons in your explanation.
The moon is smaller than Earth, objects with smaller mass are attracted to larger objects. The moon is further away from the sun and closer to the Earth.
The name for a huge, glowing ball of gas.
What is a star?
The name of the galaxy in which we live.
What is the Milky Way?
Gravity is a force that exists between all objects that have this.
What is mass?
Elliptical galaxies contain a higher percentage of stars that are this age.
What are old stars?
A huge collection of stars, gas, and dust make up this.
What is a galaxy?
This galaxy is oddly shaped.
What is an irregular galaxy?
Gravity pulled a cloud of _______ and ________ together to form our solar system.
What is dust and gas?
Irregular galaxies contain a lot of stars that are this age.
What are young stars?
The amount of matter or substance that makes up an object.
What is mass?
The Milky Way is an example of this type of galaxy.
What is a spiral galaxy?
These two factors influence the strength of gravity.
What are mass and distance?
These galaxies are full of gas and dust with new star formations occurring.
What are irregular galaxies?
This contains all of space and everything in it including stars, planets, and galaxies.
What is the universe?
Elliptical galaxies contain a lot of old stars that are this color.
What is red?
This is how mass affects gravity.
What is objects with a larger mass have a greater gravitational pull than objects with less mass?