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Astronomy
Test Description: Origin of the universe, stars, how objects in the solar system are related
Instructions: Answer all questions to get your test result.
1) theory that the universe began as very hot, small, and dense, with no stars, atoms, form, or structure
A
Big Bang Theory
B
Newton Theory
C
Doppler Theory
D
Law of Gravity Theory
2) a system of millions or billions of stars, together with gas and dust, held together by gravity
A
planets
B
galaxies
C
moon
D
stars
3) the Doppler effect is
A
a gravitational pull
B
the structure of the universe
C
a system of stars
D
a change in frequency of sound or light waves
4) red shift
A
the solar system particularly Venus
B
the color of a car's gear shift
C
scientists use this to determine how far away a distant object is
D
a red dress
5) Stellar distance is...
A
the Doppler effect
B
observing the location of a star at different times of the year as Earth orbits
C
distance the planets are from the sun
D
Big Band Theory
6) The Laws of Gravity were explained by whom
A
Brahe
B
Galileo
C
Isaac Newton
D
Hubble
7) Copernicus' Theory said...
A
the sun is at the center of the universe
B
a telescope can be used to to look at the planets
C
the laws of gravity explained why the planets orbit the sun
D
the Earth is at the center of the universe
8) Hubble proved...
A
the laws of graviy
B
the sun is at the center of the universe
C
the Earth is at the center of the universe
D
that other galaxies exist beyond the Milky Way
9) Telescopes are used for...
A
a piece of equipment shaped like a tube, used for making distant objects look larger and closer; observing celestial bodies
B
the explain the Laws of Gravity
C
as a clock to tell time
D
recording days, weeks, and months
10) Scientists use the Hertzsprung-Russell diagram to...
A
graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature
B
observe celestial bodies through a tube-like instrument
C
tell time
D
explain the Laws of Gravity
11) Absolute magnitude is used to determine...
A
locate the distance between the planets
B
the Laws of Gravity
C
the magnitude (brightness) of a celestial object
D
that the sun is at the center of the universe
12) Apparent magnitude is used to describe...
A
the magnitude of a star as it appears to an observer on the earth
B
locate the distance between the planets
C
the Laws of Gravity
D
the magnitude (brightness) of a celestial object
13) The Solar Nebular Theory is...
A
the laws of gravity explained why the planets orbit the sun
B
the magnitude (brightness) of a celestial object
C
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
D
distance the planets are from the sun
14) Stellar evolution is ...
A
a telescope can be used to to look at the planets
B
the magnitude (brightness) of a celestial object
C
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
D
the process by which a star changes over the course of time.
15) The Law of Gravity is...
A
hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
B
the process by which a star changes over the course of time.
C
any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the
D
the magnitude (brightness) of a celestial object
16) The tendency of a body at rest to remain at rest or of a body in motion to stay in motion in a straight line unless acted on by an outside force
A
Law of Gravity
B
inertia
C
Big Bang Theory
D
Doppler effect
17) a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary at the same time
A
electromagnetic radiation
B
red shift
C
stellar evolution
D
inertia
*select an answer for all questions
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