Astronomy Final Exam Review

Stars are round due to a balance of forces. What is the name of the balance?

• radiation pressure

• nuclear fusion

• gravity

• hydrostatic equilibrium

Why will our sun not become a supernova?

• It is too bright

• It is too small

• It is too large

• It is too old

How will our sun end its life?

• Black hole

• Black dwarf

• Brown dwarf

• Neutron star

Tags

NGSS.HS-ESS1-1

Which of the following will give the best indication of a star's temperature?

• the distance of the star

• the radius of the star

• the color of the star

• the age of the star

Which of the following is the most abundant element in the Sun?

• Hydrogen

• Helium

• Carbon

• Oxygen

Tags

NGSS.HS-ESS1-3

What kind of star lives a very hot, bright and short life?

• Red giant

• Main sequence

• High mass star

• Low mass star

Which of the following is a possible order of life for a low mass star?

• nebula, protostar, brown dwarf, red giant, white dwarf, black dwarf

• protostar, nebula, main sequence, white dwarf, black dwarf

• nebula, protostar, main sequence, red giant, planetary nebula, white dwarf, black dwarf

• protostar, nebula, main sequence, red giant, brown dwarf, white dwarf

Tags

NGSS.HS-ESS1-3

Which of the following earliest stage of a star (where is it "born")?

• Nebula

• Protostar

• Main sequence

• Neutron star

Which of the following stars is the coolest?

• A white star

• A blue star

• A red star

• An orange star

Bright and hot stars live longer than cool and dim stars

• True

• False

Tags

NGSS.HS-ESS1-1