Stars Quiz Review

What term do scientists use to describe the apparent brightness of a celestial object as seen from Earth?

• luminosity

• magnitude

• apparent magnitude

• light-year

What term do scientists use to describe the unit of astronomical distance that light travels in 1 year?

• luminosity

• magnitude

• apparent magnitude

• light-year

Which of the following does NOT affect the luminosity of an object?

• A. size

• B. type of star

• C. distance

• D. your location on Earth

Stars are composed of

• solid rock

• gases

• various liquids

• solids, liquids, and gases

Tags

NGSS.MS-PS1-1

Compared to other stars in the sky, the Sun appears brighter because it is

• A. closer.

• B. smaller.

• C. farther.

• D. larger.

A very bright star can seem dimmer because it is —

• close.

• blue in color.

• far away.

• larger than other stars.

Which star in the table is closest to Earth?

• star 1

• star 2

• both are the same distance

• not enough info

Which star in the table is larger?

• star 1

• star 2

• both are the same size

• not enough info

Which star in the table has the greatest luminosity?

• star 1

• star 2

• both are the same luminosity

• not enough info