Stars and Galaxies Test

What does a star's color indicate?

• size
• age
• temperature
• shape

Scientists think that the Milky Way is probably _______________________.

• an irregular galaxy
• an elliptical galaxy
• a spiral galaxy
• a nebula

Which of the following is the largest?

• a nebula

• a galaxy

• a neutron star

• a solar system

What are the three major types of galaxies identified by Edwin Hubble?

• spiral, triangular, irregular
• spiral, elliptical, irregular
• spiral, elliptical, triangular
• triangular, elliptical, irregular

What is the measurement unit used to describe distances between stars and galaxies?

• astronomical units

• kilometers

• miles

• light-year

What is a gigantic explosion that causes the death of a massive star?

• Supernova

• Nebula

• Red Giant

• White Dwarf

Tags

NGSS.HS-ESS1-3

What is a large grouping of stars, dust, and gas bound together by gravity?

• Nebula
• Galaxy
• Cosmology
• Gravity

Tags

NGSS.MS-ESS1-2

What is a large cloud of dust and gas where new stars are form?

• quasar

• black hole

• supernova

• nebula

Tags

NGSS.HS-ESS1-3

What color are the coolest stars?

• blue-white
• yellow
• orange
• red

A star is born when

• a protostar begins to cool
• a nebula expands
• helium and oxygen combine
• nuclear fusion starts

Tags

NGSS.HS-ESS1-1