Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Light Year |
a unit of astronomical distance equivalent to the distance that light travels in one year.
|
|
|
|
Galaxy |
a system of millions or billions of stars, together with gas and dust.
|
|
|
|
Elliptical Galaxy |
An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth.
|
|
|
|
Irregular Galaxy |
A galaxy that does not have the clearly defined shape and structure of typical elliptical.
|
|
|
|
Spiral galaxy |
A spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble in his 1936 work.
|
|
|
|
Planets |
a celestial body moving in an elliptical orbit around a star.synonyms:
|
|
|
|
Moon |
the natural satellite of the earth, visible by reflected light from the sun.
|
|
|
|
Asteroids |
a small rocky body orbiting the sun.
|
|
|
|
Comets |
a celestial object consisting of a nucleus of ice and dust
|
|
|
|
Meteoroids |
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.
|
|
