Stars

Nebulas are birthplaces for new stars.

• True

• False

Tags

NGSS.HS-ESS1-3

Massive stars have lower absolute brightness.

• True

• False

The HR diagram displays the apparent magnitude of stars.

• True

• False

A particular star is orange. Another star that is much cooler is expected to be ______.

• red

• yellow

• white

• blue

Two stars are the same temperature, but one is twice as large as the other. The larger star is likely _________ the smaller star.

• dimmer than

• to have the same brightness as

• brighter than

• to have a different color than

A particular star is white. Another star that is much hotter is expected to be ______.

• red

• yellow

• orange

• blue

Which statement describes the formation of stars?

• Heat and gas contract

• Gravity causes stars to cluster

• Dust and gases contract

Which statement describes the formation of our sun?

• A disk formed of long trails of stars coiled into a spiral.

• It formed an elliptical flattened disk.

• Heat and gases contracted within a nebula.

• Gravity pushed stars away from a center core.

Which statement describes the formation of a nebula?

• An elliptical flattened disk begins.

• A bulging core with irregular stars around it forms.

• A large flattened core at the center contracts.

• Gases from a dead star gather and contract.

The brightness of a celestial object as it is measured from Earth

• Apparent Magnitude

• Absolute Brightness