WorksheetsStars Classification
Total questions: 10
Worksheet time: 5mins
How are stars classified?
Color and temperature
Temperature and brightness
Brightness and color
Temperature and color
The hottest stars are_______.
white
blue-white
red
blue
What type of galaxy is shown in the picture?
sprial
irregular
elliptical
barred
Which of the following is the best estimate of the number of stars in a galaxy?
tens
thousands
millions
billions
Which object in our solar system is a star?
Moon
Sun
Meteor
Sirius B
What is apparent brightness?
The measure of how bright a star appears to an observer on Earth.
How far away a star is from Earth.
The brightness of a star.
A measure of how bright the star would be if all stars were the same distance from Earth.
The Hertzsprung-Russell diagram plots the
Absolute magnitude versus the apparent magnitude.
Mass versus absolute magnitude.
Luminosity versus surface temperature.
Surface temperature versus mass.
Supergiants are ______.
Very Dim.
Always 500 times greater than our sun.
Relatively cool in temperature.
Very high in temperature.
At the center of most, if not all galaxies is a ________.
Giant Sun
Giant Black Hole
Big bang
Big sun
What is the correct order of the object in order from smallest to largest?
Solar system, universe, galaxy.
Galaxy, universe, solar system.
Solar system, galaxy, universe.
Universe, galaxy, and solar system.
