Universe Galaxy

Which of the following correctly places these in order from LARGEST to SMALLEST?

• galaxy -- local group/cluster -- planet -- solar system -- universe

• universe -- local group/cluster -- galaxy -- solar system -- planet

• planet -- solar system -- galaxy -- local group/cluster -- universe

• universe -- galaxy -- solar system -- local group/cluster -- planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

A Group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

• Universe

• Galaxy

• Solar System

• Planet

Tags

NGSS.MS-ESS1-2

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral

About how many galaxies are there in the universe?

• billions

• millions

• thousands

The Hubble Space Telescope recently provided and image that led to the discovery of a galaxy 13.2 billion light-years from earth.

Which of the following statements about the newly discovered galaxy is most likely true?

• the galaxy is smaller than the sun

• the galaxy is within a solar system

• The galaxy is composed of billions of stars

• The galaxy is smaller than a star

Explain Hubble's Law about the movement of galaxies.

• The farther away a galaxy is, the faster it moves.

• The farther away a galaxy is, the slower it moves.

• The larger a galaxy is, the faster it spins.

• The larger a galaxy is, the slower it spins.

Which of the following statements does not apply to most galaxies?

•     They have a supernova in the center

•     They seem to be held together by gravity

•     They are made of dust, gases, billions of stars, and more

•     They rotate around a center of mass

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following best describes a galaxy? A galaxy is -

• a particle of debris in the solar system that does not act as a satellite of any planet.

• a visible body of liquid or frozen crystal droplets suspended above a planetary surface

• a massive system of stars, gas, dust and dark matter bound together by gravity.

• the visible path of a meteoroid as it enters Earth’s atmosphere.

Tags

NGSS.MS-ESS1-2

A system of stars, gas, dust, and dark matter bound together by gravity is called ---

• an asteroid

• a nebula

• a galaxy

• a moon

Tags

NGSS.MS-ESS1-2