Bundle 9 Stars Review

Apparent magnitude is…..

• How we perceive brightness of a star

• How we perceive luminosity of a star

• How we give value of a star such as .2

• All the stars in motion

Absolute magnitude is…..

• How we measure brightness

• How we measure luminosity

• How we measure brightness with a value such as parsecs

• Shine bright like a diamond

Red giants smaller or larger than the sun? Why?

• Smaller, cool and luminous

• Larger, the sun is small

• Hot in here

• Larger, cool and luminous

What happens to stars that can not fuse elements?

• Collapses, supernova

• Collapses, neutron

• Collapses, white dwarf

• Look at the stars

Which variable predicts the life of a protestar?

• Mass

• Mass and luminosity

• Mass and Temperature

• Density

Tags

NGSS.HS-ESS1-1

Why is a white dwarf so hot?

• Nelly said so

• Exposure of the core

• Exposure of the dying star

• Exposure of the core because it is dying

Why is our Sun considered so luminous?

• Size and temperature

• Fusión in its’ core

• Fission in its’ core

• It’s gettin hot in here

Tags

NGSS.HS-ESS1-1

What two elements predominantly make up a star?

• Hydrogen and Oxygen

• Hydrogen and Helium

• Fo sho, fo sho

• Hydrogen and Carbon

Does the Sun fuse helium into heavier elements? WHY?

• False, its not hot and dense

• False, is not hot and dense enough

• True, its hot and dense

• True, is hot and dense enough

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Red giants are considered to have high temperatures.

• It’s hottie

• I guess

• True

• False