The Universe, Galaxy and Stars

huge cloud of gases and dust

• nebula

• star

• red giant

• protostar

object that produces its own energy, including heat and light

• nebula

• star

• supernova

• white star

Tags

NGSS.HS-ESS1-1

as the expanding hydrogen moves farther away from the center of the star, it cools and turns red

• star

• nebula

• protostar

• red giant

beginning star

• moon

• protostar

• sun

• red giant

exploding star; shine brightly for days or weeks and then fade away; will form a new nebula

• nebula

• protostar

• red giant

• supernova

Tags

NGSS.HS-ESS1-3

small and very dense star that shines with a cooler white light

• supernova

• white dwarf

• red giant

• protostar

shaped like a pinwheel with many arms; our solar system is in an arm of a spiral galaxy called the Milky Way

• spiral galaxy

• light-year

• constellations

• black hole

Tags

NGSS.MS-ESS1-2

distance light travels in a year

• astronomical unit

• light year

• mile

• 100,000 miles

huge, very distant collection of stars

• light-year

• galaxy

• black hole

• nebula

object that is so dense and has such powerful gravity that nothing can escape from it, not even light

• galaxy

• sun

• black hole

• constellation