astronomy review. what is gravity? the attractive force between two masses

Astronomy ReviewAstronomy Review

What is gravity?What is gravity?

What is What is gravity?gravity?

The attractive The attractive force between force between two massestwo masses

The more ___________ an The more ___________ an object has the more object has the more gravity it has.gravity it has.

The more The more massmass an object an object has the more gravity it has the more gravity it has.has.

What is a light-year?What is a light-year?

What is a light-year?What is a light-year?

The distance light travels in The distance light travels in a year.a year.

Which star is the Which star is the largestlargest; ; neutron star, black hole, or neutron star, black hole, or white dwarf?white dwarf?

Which star is the Which star is the largestlargest, neutron , neutron star, black hole, or white dwarf?star, black hole, or white dwarf?

Black HoleBlack Hole

Which star is the Which star is the smallestsmallest; ; neutron star, black hole, or neutron star, black hole, or white dwarf?white dwarf?

Which star is the Which star is the smallestsmallest, , neutron star, black hole, or neutron star, black hole, or white dwarf?white dwarf?

Neutron StarNeutron Star

Use the Hertzsprung-Russell Use the Hertzsprung-Russell diagram to describe Rigel.diagram to describe Rigel.

Use the Hertzsprung-Russell Use the Hertzsprung-Russell diagram to describe Rigel.diagram to describe Rigel.

White, bright,White, bright,

almost 20,000almost 20,000

degrees Cdegrees C

What is a nebula?What is a nebula?

What is a nebula?What is a nebula?

A large amount of A large amount of gasgas and and dustdust that become a star. that become a star.

The more ______________ a The more ______________ a star has, the longer it will star has, the longer it will live.live.

The more ___The more ___massmass___ a star ___ a star has, the longer it will live.has, the longer it will live.

If a Red Giant or Supergiant If a Red Giant or Supergiant has low mass it will has low mass it will become a …become a …

If a Red Giant or Supergiant If a Red Giant or Supergiant has low mass it will has low mass it will become a …become a …

White DwarfWhite Dwarf

What is it called when a What is it called when a dying Red Giant or dying Red Giant or Supergiant explodes …Supergiant explodes …

What is it called when a What is it called when a dying Red Giant or dying Red Giant or Supergiant explodes … Supergiant explodes … SupernovaSupernova

A supernova with high mass A supernova with high mass becomes a …becomes a …

A supernova with high mass A supernova with high mass becomes a …becomes a …

Black HoleBlack Hole

A supernova with low mass A supernova with low mass becomes a …becomes a …

A supernova with low mass A supernova with low mass becomes a …becomes a …

Neutron StarNeutron Star

A white dwarf will become a A white dwarf will become a ……

A white dwarf will become a A white dwarf will become a ……

Black DwarfBlack Dwarf

What is a quasar?What is a quasar?

What is a quasar?What is a quasar?

A distant galaxy with a A distant galaxy with a black hole at its center.black hole at its center.

What are the three types of What are the three types of galaxies?galaxies?

What are the three types of What are the three types of galaxies?galaxies?

Spiral Elliptical Spiral Elliptical IrregularIrregular

What galaxy do we live in?What galaxy do we live in?

What galaxy do we live in?What galaxy do we live in?

The Milky WayThe Milky Way

What type of galaxy is the What type of galaxy is the Milky Way?Milky Way?

What type of galaxy is the What type of galaxy is the Milky Way?Milky Way?

A Spiral GalaxyA Spiral Galaxy

What is a constellation?What is a constellation?

What is a constellation?What is a constellation?

A patterned group of stars A patterned group of stars