Astronomy

How do main sequence stars like the sun make their energy?

• fusion of hydrogen into helium

• fission of hydrogen into helium

• fusion of helium into hydrogen

• fission of helium into hydrogen

Tags

NGSS.HS-ESS1-1

Stars are born in

• the big bang

• black holes

• protoplanetary disks

• nebulae

A nebula is...

• cosmic microwave background

• planets that are in the process of forming

• a cloud of dust and gas in space

• the same thing as a singularity

A white dwarf is the final stage for _________ mass stars like our Sun.

• low

• high

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The path a star takes during its life cycle depends solely on its _____.

• temperature
• luminosity
• mass
• location

In this stage, a star spends most of its life. Hydrogen is fused into helium at a temperature of millions of degrees.

• nebula
• protostar
• main-sequence
• supergiant

What is the sun made up of?

• Hydrogen

• Helium

• Hydrogen and Helium

• None of the Above

Tags

NGSS.MS-PS1-1

What is left behind after a supernova explosion?

• comet

• red giant

• white dwarf

• neutron star or black hole

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get Hotter
• Stars get Brighter

Which color of star is the coolest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star