WorksheetsIntro to Astronomy - Space and Time
Total questions: 20
Worksheet time: 40mins
The first modern astronomer to propose a Sun-centered universe was ________.
Eratosthenes
Ptolemy
Copernicus
Galileo
To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -
meter
kilometer
light year
astronomical unit
There are two clocks one is stationary on the earth the other is traveling close to the speed of light around the earth. If we put the clocks back together after the second clock makes it back from its trip, the times are compared. What do you expect to occur?
More time elapsed on the stationary clock
More time elapsed on the traveling clock
No time has changed between them
Compared to clocks in a stationary reference frame moving clocks run ___________, according to special relativity
faster
slower
at the same rate
Which best describes why the moon orbits the Earth.... according to General Relativity?
Gravity force from the Earth pulls on the moon
Gravity force from the Earth pushes on the moon
The moon moves around the curvature in spacetime created by the Earth's mass
What does "Vernal" mean?
Yearly
Something related to springtime
Equal days and nights
It's a type of tradition
What does "Equinox" mean?
Yearly
Something related to springtime
Equal days and nights
It's a type of tradition
What is Exoplanet short for?
Extraterrestrial Planet
Experimental Observable Planet
Extra Out-There Planet
Extrasolar Planet
An astronomical unit is...
The average distance between the earth and the moon
The average distance between the sun and the earth
The average distance between the sun and the next nearest star, Proxima Centauri
The average speed light travels between the sun and the earth
A person who studies the movement of celestial bodies for the purpose of religion or fortune telling
Astrologer
Astronomer
Cosmologist
Cosmetologist
The person who discovered that our galaxy was not the entire universe
Hubble
Einstein
Copernicus
Galileo
According to the equivalence principle, no experiment can be done to measure the difference between being at rest in a gravitational field and being in a frame of constant acceleration.
True
False
