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WorksheetsAstronomy - Stars
Total questions: 10
Worksheet time: 5mins
Name the closest star to the Earth
Proxima Centauri
Rigel
The Sun
Sirius
Stars have different colors based upon their ____________.
magnitude
size
temperature
composition
This star lies directly above the North pole of the Earth. Known as the North Star, it's scientific name is ...
Polaris
Sirius
Betelgeuse
Regulus
This northern constellation represents the queen of Ethiopia sitting on her thrown.
Cepheus
Cygnus
URSA Major
Cassiopeia
How many constellation are recognized by the International Astronomical Union (IAU).
48
54
88
112
The constellation URSA Major, know as the great bear, contains an the asterism that looks like a ...
tea pot
lion
big dipper
swan
Why do stars to produce light?
gravity
rapid motion
nuclear fission
nuclear fusion
Light travels at approximately 186,000 miles per SECOND. Even at that speed, light takes 8.3 minutes to travel from the surface of the Sun to the Earth. How long does it travel from the next closest star Proxima Centauri?
2.3 months
1.7 years
4.2 years
9.3 years
The brightness of a star as viewed from Earth is called _______.
absolute magnitude
apparent magnitude
relevant magnitude
amplitude magnitude
Stars twinkle because ...
of our atmosphere (hot and cold air)
they change brightness
they are rotating (spinning)
of explosions in their core
