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WorksheetsUnit 9: Galaxy and Milkyway
Total questions: 20
Worksheet time: 11mins
What is the closest star to the Sun?
Sagitarius
Luhman 16
Proxima Centauri
Sirius A
How long does it take the Sun’s light to reach earth?
8 seconds
8 minutes
8 hours
8 days
How fast does light travel?
186,000mi/s
671,000,000 mi/hr
both a and b
Unknown
The theory that the universe began as a point and has been expanding since is called the _________________.
Point theory
Big l
Big Bang Theory
Big Boom Theory
What is the name of the Space Telescope from number 8’s successor?
James Webb
Hubble
Explorer I
Explorer II
What is the name of the space telescope that has given us so much information on the universe?
James Webb
Hubble
Explorer I
Explorer II
About how many stars exist in our galaxy?
200 million
200 billion
200 trillion
One
Which galaxy shape is pictured?
Spiral
Elliptical
Irregular
Barred Spiral
What is the distance light travels in one year?
6 miles
Light Continuum
Light Year
Black hole
The study of the universe—its nature, origin, and evolution—is called what?
Space study
Astrology
Cosmology
Geology
In the figure, what is labeled at point Y?
Nuclear Bulge
Halo
Globular Cluster
Spiral Arm
In the figure, what is labeled at point X?
Nuclear Bulge
Halo
Globular Clusters
Spiral Arm
What is the distance across the Milky Way?
100,000 Light Years
200,000 Light Years
300,000 Light Years
400,000 Light Years
What are two types of variable stars that astronomers have used to calculate distance based off their absolute magnitude are
Cepheid & RR Lyrae
Population I & Population II
Globular and Open Clusters
Red giants and Red super giants
Which galaxy is closest to us?
M10
Andromeda
Sombrero
Butterfly
Which arm are we on in the Milky Way?
Sagittarius
Orion
Perseus
Cygnus
How far are we from the galactic center?
26,000 miles
26,000 kilometers
26,000 light years
26,000 space units
The innermost core of our Milky Way may contain a___
Neutron Star
Red Giant
Black Hole
Our Solar System
What shape is the Milky Way?
Elliptical
Irregular
Spiral
Lenticular
A type of galaxy with no obvious structure is a
Elliptical
Irregular
Spiral
Lenticular
