Stars

the brightness of a star

• luminosity

• magnitude

• apparent magnitude

• lightyear

Tags

CCSS.RI.5.4

_____ is used to describe how big an object looks from Earth.

• luminosity

• magnitude

• apparent magnitude

• light year

Tags

CCSS.RI.5.4

a unit of measurement equal to the distance light travels in one year

• luminosity

• magnitude

• apparent magnitude

• lightyear

Tags

CCSS.RI.5.4

Which DOES NOT affect the luminosity of an object?

• size

• type of star

• distance

• your location on Earth

Tags

CCSS.RI.5.3

Stars are composed of _______

• solid rock

• various liquids

• gases and plasma

• solids, liquids, and gases

Tags

CCSS.RI.5.4

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

• closer

• smaller

• farther away

• larger

A very bright star can seem dimmer because it is...

• close

• far away

• blue in color

• larger than other stars

Tags

CCSS.RI.5.3

CCSS.RI.5.4

Which measurement is farther?

• 80 light years

• 1000 miles

• 12 light years

• 700 light years

Tags

CCSS.RI.5.4

CCSS.RI.5.5

Based on the size difference, which star do you think has a greater luminosity?

Star 1 56.8 million km diameter

Star 2 4 million km diameter

• Star 1

• Star 2

Luminosity is...

• how big a star is

• how bright a star shines

• how hot a star is

Tags

CCSS.RI.5.4