What are constellations?
A group of stars organized by a recognizable pattern.
What are binary stars?
Pairs of stars that revolve around each other and are held together by gravity.
Negative points.
Uh oh!
Fill in the blanks:
In ____, astronomers around the word agreed upon a standard set of __ constellations.
In 1930, astronomers around the word agreed upon a standard set of 88 constellations.
What are other words for “center of mass”?
Barycenter.
(If you got the correct answer, you can take 200 points away from the group of your choice)
How far are most of the stars that we see.
100 light years
BONUS!
:)
BONUS!
:)
True or false: all stars that make up a pattern or are close together are all equally distanced from earth.
False
Why do the positions of stars in relation to each-other not change?
Because of the tremendous distance from which the stars are viewed.
`what is the amount of sunlike stars that astronauts estimated?
More than half.
What is the tool used to map a particular star?
map of the constellations.
Name 6 constellations you know.
(No specific correct answer.)
What will happen to the 2 stars in a multiple star system?
EXTRA 100 if you explain what happens to the third star.
May revolve rapidly around a common barycenter.
Extra 100: The third star revolves more slowly at a greater distance from the pair.
What is the farthest constellation we can see with our naked eye?
Andromeda constellation