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WorksheetsUniverse Review
Total questions: 12
Worksheet time: 12mins
What is an astronomical unit?
The distance from the earth to the sun.
The distance light travels in one year.
The distance from the earth to the moon.
The echo of the big bang, a band of light furthest out in our known universe, is called....
The Echoplex
The Cosmic Microwave Background Radiation
The Doppler Effect
The Cosmological Constant
If a star is 80 light years away, we can say.....
The light we see coming from it left the star 80 years ago.
The light we see coming from it left the star 80 Astronomical Units ago.
The light from the star left only moments ago.
Typically, planets orbit their stars in _____________.
circles.
ovals.
toroidals.
loose orbits.
At aphelion, the earth is ___________ the sun.
closest to
furthest from
What is a nebula?
A collection of gas and dust.
A belt of asteroids.
A perimeter of orbital objects of varying size.
What type of star can give birth to a planetary nebula?
An average star that has grown into its red giant form.
An average star that has grown into its red supergiant form.
A massive star that has grown into its red giant form.
A massive star that has grown into its red supergiant fomr.
Jovian planets are found in the outer solar system because...
The accretion disk pushes gas and thin particles of dust further out than larger rock.
The accretion disk pushes out larger rocks much faster than smaller dust particles.
What are rogue planets?
Planets that orbit a star other than the sun.
Planets that do not orbit a star.
Any planet other than earth.
Planets like Pluto.
What object becomes a meteor when it falls into the earth's atmosphere?
Moons
Asteroids
Comets
Star Fragments
The singularity at the center of the black hole has a gravitational pull that is.....?
zero gravity
infinite gravity
near-infinite gravity
What is dark matter responsible for?
Binding galaxies together.
Stretching space at an accelerating rate.
The orbit of planets around stars.
The loose orbit of comets around stars.
