Lesson 7 complete vocab flashcard

Front

What is the measure of luminosity (actual brightness) of a star as seen from Earth?

Back

Apparent brightness

Front

What are rock and iron objects that orbit the sun called?

Back

Asteroid

Front

What do we call meteoroids that reach Earth's surface?

Back

Meteorites

Front

What is a chunk of frozen gases, rock, ice, and dust known as?

Back

Comet

Front

What is the measure of the luminosity of a star, but on a scale that depends on each star's mass and temperature?

Back

Absolute brightness

Front

What is the distance light travels in one year?

Back

Light-year

Front

What is the term for a small rocky body that travels through space?

Back

Meteoroid

Front

What do we call a bright streak of light produced when a meteoroid enters Earth's atmosphere?

Back

Meteor

Front

What is the name of the celestial body that orbits a planet?

Back

Moon

Front

What is the term for the brightness of a star as it appears from Earth?

Back

Apparent magnitude