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Stars and Galaxies
By Tandie Ray
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Last updated about 6 years ago
17 questions
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A star's brightness as if it were a standard sistance from Earth is known as what?
apparent brightness
absolute brightness
parallax
Hertzsprung Russell diagram
A star begins as part of a large cloud of gas and dust called what?
nebula
protostar
black holes
super nova
A system in which one star periodically blocks the light from another is called what?
star cluster
eclipsing binary
binary stars
galaxies
A unit that is often used to measure distances between stars is called what?
parallax
absolute brightness
apparent brightness
light year
The beginning stage of a star's life cycle is known as what?
nebula
protostar
black hole
super nova
Many stars belong to larger groups called what?
star cluster
eclipsing binary
binary stars
galaxies
What is an imaginary pattern of stars?
apparent brightness
absolute brightness
parallax
constellation
A dying high-mass star can suddenly explode, becoming a what?
nebula
protostar
black hole
super nova
A huge group of single stars, star systems, star clusters, dust and gas bound together by gravity is called what?
spiral galaxy
irregulary galaxy
elliptical galaxy
galaxy
The brightness of a star as seen from Earth is called what?
parallax
absolute brightness
apparent brightness
light year
The most massive stars collapse to form what when they die?
nebula
protostar
black hole
super nova
Galaxies that appear to have a bulge in the middle and arms that move outward are called what?
quasar
irregular galaxy
spiral galaxy
eclipsing galaxy
Which of the following is not a characteristic of stars?
size
temperature
texture
color
chemical composition (what it's made of)
What determines how long a star will live?
volume
mass
density
brightness
Scientists use the power of ten to write very large or very small numbers in shorter form called what?
scientific method
scientific notation
scientific data
scientific normality
How are stars classified?
H-R diagram
Q-R diagram
Q-D diagram
H-A diagram
How to astronomers measure distances to stars?
paradox
parralax
apparent brightness
color and temperature