WorksheetsAstronomy Review
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
Earth’s natural satellite is the
a)
Sun
b)
comet
c)
asteroid
d)
moon
2.
The study of celestial objects (bodies) in space
a)
astronomy
b)
cosmology
c)
astrology
3.
The first individual to use a telescope to describe the behavior of moving objects in space
a)
Galileo Galilei
b)
Robert Wilson
c)
Edwin Hubble
d)
Johannes Kepler
4.
Discovered that the orbits of the planets were actually not circular but elliptical
a)
Edwin Hubble
b)
Galileo Galilei
c)
Nicolaus Copernicus
d)
Johannes Kepler
5.
The expansion of the universe was discovered by _____.
a)
Johannes Kepler
b)
Edwin Hubble
c)
Isaac Newton
d)
Robert Wilson
6.
An explosion of a massive star is known as
a)
black hole
b)
supernova
c)
red giant
d)
neutron star
7.
About 90 percent of stars on the H-R diagram are ____ stars.
a)
red giant
b)
main sequence
c)
luminosity
d)
supergiants
8.
The asteroid belt is located between the orbits of Mars and Jupiter
a)
True
b)
False
9.
Large holes on the moon's surface is call
a)
crater
b)
corona
c)
prominences
d)
solar flare
10.
Our solar is located in the
a)
Milky Way Galaxy
b)
Silky Way Galaxy
c)
Big Bang Galaxy
d)
Nebula Galaxy
11.
The Sun has a main sequence life span of about 10 billion years.
a)
True
b)
False
12.
The distance between the Earth and the Sun one ______________
a)
astronomical unit.
b)
Light-year
c)
kilometer
d)
meter
13.
The diameter of the Milky Way is ______________ light years.
a)
100, 000
b)
26, 000
14.
A scientist cannot learn about the composition of a star from its spectrum.
a)
TRUE
b)
FALSE
15.
When a star is travelling away from Earth, its light appears bluer.
a)
True
b)
False
16.
What is the shape of a planet’s orbit?
a)
parabolic
b)
circular
c)
elliptical
d)
irregular
17.
Areas of the Sun’s surface that appear dark because they are cooler than surrounding areas are called ___.
a)
coronas
b)
sunspot
c)
prominences
d)
solar flares
18.
A Hertzsprung-Russell (H-R) diagram shows the relationship between ____.
a)
apparent magnitude and parallax
b)
parallax and temperature
c)
absolute magnitude and apparent magnitude
d)
temperature and absolute magnitude
19.
Which of the following is NOT a terrestrial planet?
a)
Earth
b)
Mercury
c)
Saturn
d)
Mars
20.
What information does a star’s spectrum offer about the star?
a)
age
b)
composition
c)
size
d)
none of the these
100 %
