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WorksheetsAstronomy - Universe, galaxies and Stars
Total questions: 20
Worksheet time: 16mins
What type of galaxy is Galaxy Y
Spiral
Irregular
Elliptical
Which of the following is NOT evidence of the Big Bang Theory?
most galaxies are red-shifted
CMBR everywhere
the universe is gaining matter
the universe is expanding
What type of galaxy must likely can be described as a large, flat disk surrounded by arms of stars and dus
elliptical
irregular
sprial
ring
more massive stars generally have shorter life cycles than less massive stars because massive stars...
are older
Use fuel much faster than less massive stars
have a stronger gravitational pull
formed earlier than less massive stars
What keeps a star from collapsing from their own gravity?
The outward pressure from nuclear fusion
The gravitational pull caused by orbiting planets
The centrifugal force caused by rapid rotation
What is this structure?
a galaxy
a star
a nebula
a gas giant
What layer of a star does nuclear fusion take place
The photosphere
The radiation zone
The convection zone
The core
What is a characteristic of the White Dwarf?
Low Luminosity, not very bright
Extremely hot
High Luminosity, very bright
Larger than the earth
