Stars, Galaxies, and the Universe

Binary Star System

• Two stars that orbit each other

• Three stars that orbit each other

• A star with two planets

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Black Hole

• A small dense layer that forms to become a supergiant

• the super dense core left after a supergiant fuses out

• the super dense core left after a supergiant explodes as a supernova

Main Sequence Star

• star that is fusing helium atoms to form carbon

• star that is fusing hydrogen atoms to form helium, considered to be a star in the main portion of its "life"

• star that is fusing carbon atoms to form oxygen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

neutron star

• The core of a massive star after it explodes as a supernova

• A tremendous explosion that occurs when a star's core is mostly iron

• A type of star that emits a powerful magnetic field

Tags

NGSS.HS-ESS1-3

Red Giant

• a glowing sphere of gases that produces light through nuclear fusion reactions

• the super dense core left after a supergiant explodes as a supernova

• A stage in a star's development in which the inner helium core contracts while the outer layers of hydrogen expand

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Supernova

• A tremendous explosion that occurs when a star's core is mostly iron

• two stars that orbit each other

• a glowing sphere of gases

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

Star

• two stars that orbit each other

• a glowing sphere of gases that produces light through nuclear fusion reactions

• the super dense core left after a supergiant explodes as a supernova

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Elliptical galaxy

• A type of star

• galaxy that is oval in shape

• A type of nebula

• A type of planet

Galaxy

• a very large group of stars held together by gravity

• A type of chocolate bar

• A type of smartphone

Globular Cluster

• A type of galaxy composed of gas, dust, and stars

• A celestial body made up of dust and gas

• a group of tens to hundreds of thousands of stars held together tightly by gravity