Astronomy and Astrophysics

Alpha Centauri is the closest star system to Earth.

Tags

NGSS.MS-ESS1-2

Cabello is a star in the Milky Way galaxy.

Tags

NGSS.HS-ESS1-3

Aldebaran is a type of pulsar.

Antares is a red supergiant star.

Tags

NGSS.HS-ESS1-3

The process of star formation begins with the gravitational collapse of a molecular cloud.

Describe the process of formation of a star.

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What scientific research was Stephen Hawking known for?

Describe what a light-year is.

What is a neutron star?

• a) A star made entirely of neutrons

• b) A star with a high concentration of iron

• c) A star in its infancy stage

• d) A star that emits strong radio waves

Answer explanation

A neutron star is a star made entirely of neutrons, making option a the correct choice.

Tags

NGSS.HS-PS1-8

What are stars primarily composed of?

• a) Hydrogen and helium

• b) Oxygen and carbon

• c) Nitrogen and methane

• d) Iron and nickel

Answer explanation

Stars are primarily composed of hydrogen and helium, making option a) the correct choice.

Tags

NGSS.HS-ESS1-1