Astronomy Terms

What does a light-year measure?

• Brightness

• Time

• Distance

• Wavelength

Which of the following statements is true?

• Asteroids are made of rock and metal

• Comets are made of ice, rock, and dust

• Comets can be found in the Oort Cloud

• All the above

A light, with only one tail, streaking across the night sky is classified as a/an....

• Meteorite

• Asteroid

• Comet

• Meteor

In the diagram, a comet's tail always points where?

• Towards the Sun

• Away from the Sun

• Towards Earth

• Away from Earth

Tags

NGSS.MS-ESS1-1

the study of objects beyond Earth's atmosphere

• Environmental Science

• geology

• meteorology

• oceanography

• astronomy

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

​ (a)   is the field of science that focuses on our solar system, stars and universe.

• biosphere

• geosphere

• atmosphere

• Astronomy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Where is the best place to put a telescope to get the clearest images of deep space?

• Near a city

• In space

• Top of a mountain

• In a desert

Tags

NGSS.MS-ETS1-1

Which of the following observations must be done from space?

• infrared

• ultraviolet

• visible spectrum

• x-ray

Tags

NGSS.HS-PS4-3

Lightyear is the measurement of...

• the speed of light

• the amount of time light can travel one parsec

• the distance light can travel in one year

• the distance light can travel in one second

Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?

• 1 year

•  4.3 years

• 43 years

• 10 trillion years