Mapping The Stars Flashcards
1
Q
Cluster
A
A group of stars that are gravitationally bound to each other
2
Q
Open cluster
A
Not densely packed
3
Q
Globular cluster
A
Are densely packed and have a more spherical shape
4
Q
Binary stars
A
When only 2 stars are gravitationally bound together
5
Q
Parallax
A
Apparent positional shift of an object caused by the motion of the observer
6
Q
Apparent magnitude
A
Classification system based on how bright a star appears to be.
7
Q
Absolute magnitude
A
Brightness an object would have if it were placed at a distance of 10 p
8
Q
Luminosity
A
Every output from the surface of a star per second
9
Q
Orion and Hercules
A
Winter and Summer
