The change in an object’s apparent position caused by a change in the observer’s position is called ___

• Luminosity

• Apparent Brightness

• Parallax

• Composition

The amount of energy an object radiates each second, and therefore a measure of how quickly a star "burns" hydrogen into helium

• Luminosity

• Apparent Brightness

• Parallax

• Composition

Tags

NGSS.HS-ESS1-1

The chemical makeup of a star, as measured by spectroscopy

• Luminosity

• Apparent Brightness

• Parallax

• Composition

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

Which color of star is the coolest? (Remember: ROYGBIV)

• blue

• yellow

• orange

• red

Which color of star is the hottest? (Remember: ROYGBIV)

• blue

• yellow

• orange

• red

What is the correct order of spectral types?

• OBAFGKM

• OBGKMAF

• GKMAFOB

• AGKMOBF

Answer explanation

Oh be a fine girl/guy kiss me

Which spectral class is associated with the hottest temperatures?

• Class O

• Class G

• Class M

• Class F

Answer explanation

Class O is associated with blue colored stars, which are the hottest

Which spectral class is associated with the coolest temperatures?

• Class O

• Class G

• Class M

• Class F

Answer explanation

Class M is associated with red colored stars, which are the coolest

What is the color and spectral class of our Sun?

• blue, Class O

• yellow, class G

• orange, class K

• red, class M

Which letter corresponds to the white dwarfs?

• A

• B

• C

• D

• E

Tags

NGSS.HS-ESS1-3