Exploring Stellar Vocabulary Quiz

What is the process called in which atomic nuclei combine to form a heavier nucleus, releasing energy?

• Nuclear Fission

• Nuclear Fusion

• Radioactive Decay

• Ionization

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which stage in a star's life is characterized by stable hydrogen fusion in its core?

• Protostar

• Main Sequence Star

• Red Giant

• White Dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the term for a star that has expanded and cooled after using up the hydrogen in its core?

• White Dwarf

• Red Giant

• Neutron Star

• Black Hole

Tags

NGSS.HS-ESS1-3

What is the explosive death of a massive star called?

• Supernova

• Nova

• Red Giant

• Protostar

Tags

NGSS.HS-ESS1-3

Which object is formed from the collapsed core of a massive star, consisting almost entirely of neutrons?

• White Dwarf

• Neutron Star

• Black Hole

• Red Giant

Tags

NGSS.HS-ESS1-3

What is the name of a region in space where gravity is so strong that not even light can escape?

• White Dwarf

• Neutron Star

• Black Hole

• Supernova

What term describes the total amount of energy a star emits per second?

• Brightness

• Luminosity

• Temperature

• Mass

Tags

NGSS.HS-ESS1-1

Which type of galaxy is characterized by a flat, rotating disk with spiral arms?

• Elliptical Galaxies

• Irregular Galaxies

• Spiral Galaxies

• Lenticular Galaxies

What is the remnant of a low or medium mass star that has exhausted its nuclear fuel and shed its outer layers?

• Neutron Star

• White Dwarf

• Black Hole

• Red Giant

What is the earliest stage in the formation of a star, before nuclear fusion begins?

• Main Sequence Star

• Protostar

• Red Giant

• White Dwarf