Star light text webquest

pg.596

The total amount of energy at all wavelengths that a star emits per second.

• Apparent magnitude

• Luminosity

• solar wind

• megawatts

Glossary or pg. 596

A measure of the amount of light received by Earth from a star.

How bright an object is perceived to be.

• Luminosity

• megahertz

• photometry

• Apparent brightness

pg. 597

The lower the apparent magnitude, the ___________ the object you are observing.

• brighter

• fainter

• massive

• denser

pg. 598

Since the sun appears to be the brightest object in the sky, it has a ___________ apparent magnitude.

• low

• high

• zero

pg. 600

Wien’s law relates stellar color to stellar ________

• composition

• mass

• temperature

• distance

pg. 600 True or False.

Color does not depend on the distance to the object.

• True

• False

pg. 600

The hottest star will have a color of __________

• yellow

• blue

• red

• white

pg. 601

The coolest star will have a color of _______

• orange

• yellow

• blue

• red

pg. 602

The primary reason that stellar spectra look different is because the stars have different ____________

• temperatures

• density

• distances

• mass

Tags

NGSS.HS-ESS1-2

pg. 603

What do astronomers use to classify star into "spectral classes"?

• mass of the star

• patterns of lines observed in stellar spectra

• distance the star is from Earth

• apparent magnitude

Tags

NGSS.HS-ESS1-2