WorksheetsCrash Course Spaced Out
Total questions: 11
Worksheet time: 11mins
How long does it take for light from the Sun to reach Earth?
5 minutes
8 minutes
10 minutes
12 minutes
Which Galaxy is part of our cosmic address?
the Milky Way Galaxy
the Andromeda Galaxy
the Large Magellanic Cloud
the Whirlpool Galaxy
How long does it take for light from Proxima Centauri to reach Earth?
2 years
4 years
6 years
8 years
If the Milky Way was the size of a classroom, _____ would be the size of a playing die
our solar neighbourhood
the Andromeda Galaxy
the Orion Nebula
the Local Group
Distances in deep space are so large that scientists often measure them in units of _____
kilometers
miles
light years
astronomical units
If the solar system was the size of a classroom, _____ would be the size of a grain of salt
the Moon
the Earth
the Sun
Jupiter
A light year is the distance that light travels _____
in one year
in one month
in one week
in one day
If the solar system was the size of a classroom, _____ would be the size of a compact disc.
the Earth's orbit
the Moon's orbit
Jupiter's orbit
the Sun's diameter
The light-year is a measure of _____
time
speed
distance
mass
In one second light can travel around the whole Earth _____
five times
six times
seven times
eight times
If the observable universe was the size of a classroom, the Milky Way would be _____
microscopic, like a bacterium
as large as a basketball
the size of a small city
comparable to a large mountain
