WorksheetsStars Quiz
Total questions: 10
Worksheet time: 5mins
What is a star?
A luminous spheroid of plasma held together by self-gravity
A planet that emits light
A celestial object made of gas and dust
A point of light in the night sky
Which star is the closest to Earth?
Sirius
Alpha Centauri
Proxima Centauri
Betelgeuse
How many stars are estimated to be in the observable universe?
10^10
10^14
10^22
10^24
What is the process that powers a star?
Nuclear fusion of hydrogen into helium
Nuclear fission of heavy elements
Chemical reactions
Gravitational collapse
What is the most common element in stars?
Hydrogen
Helium
Carbon
Oxygen
What did Cecilia Payne-Gaposchkin propose about the composition of stars?
Stars are made primarily of hydrogen and helium
Stars are made primarily of carbon and oxygen
Stars are made primarily of iron and nickel
Stars are made primarily of nitrogen and sulfur
What is the name of the first star catalogue in Greek astronomy?
Ptolemy's star catalogue
Hipparchus' star catalogue
Aristillus' star catalogue
Abd al-Rahman al-Sufi's star catalogue
Who discovered that some stars are physical companions in binary star systems?
William Herschel
Edmond Halley
Joseph von Fraunhofer
Angelo Secchi
What did the Hertzsprung-Russell diagram contribute to the study of stars?
It helped understand the interiors of stars and stellar evolution
It explained the process of nuclear fusion in stars
It determined the distance to stars using parallax
It classified stars based on their spectral types
Who developed the first measurements of a stellar diameter using an interferometer?
Karl Schwarzschild
Albert A. Michelson
Cecilia Payne-Gaposchkin
Annie J. Cannon
