The Universe

What shape is the Milky Way? 

• Elliptical

• Irregular

• Spiral

• Lenticular

A type of galaxy with no obvious structure is a 

• Elliptical

• Irregular

• Spiral

• Lenticular

How many planets are in the Solar System?

The explosion associated with the theory and the formation of the universe is inferred to have occurred how many billions of years ago?

• less than 1

• 2.5

• 4.6

• 13.7

Tags

NGSS.HS-ESS1-2

The Big Bang Theory, describing the creation of the universe, is most directly supported by the

• red shift of light from distant galaxies

• presence of volcanoes on Earth

• apparent shape of star constellations

• presence of craters on Earth's Moon

Tags

NGSS.HS-ESS1-2

The diagram shows the spectral lines of hydrogen gas from three galaxies, A, B, and C, compared to the spectral lines of hydrogen gas when it is observed in a laboratory. What is the best inference that can be made concerning the relative movement of galaxies A, B, and C?

• Galaxy A is moving away from Earth, but B and C are moving toward Earth.

• Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth.

• Galaxies A, B, and C are all moving toward Earth.

• Galaxies A, B, and C are all moving away from Earth.

Tags

NGSS.HS-ESS1-2

Which statement best describes galaxies?

• They are similar in size to the solar system.

• They contain only one star but hundreds of planets.

• They may contain a few hundred stars in a space slightly larger than the solar system.

• They may contain billions of stars in a space much larger than our solar system.

Tags

NGSS.MS-ESS1-2

In which list are celestial features shown in order of increasing size?

• galaxy - solar system - universe - planet

• solar system - galaxy - planet - universe

• planet - solar system - galaxy - universe

• universe - galaxy - solar system - planet

Tags

NGSS.MS-ESS1-3

The theory that the universe is expanding is supported by the

• blue shift of light from distant galaxies

• existence of cosmic background radiation

• nuclear fusion occurring in the Sun

• radioactive decay occurring in the Sun

Tags

NGSS.HS-ESS1-2

If we observe a Doppler blue shift from a distant star, the star must be

• relatively cool in temperature

• moving away from us

• moving toward us

• a blue star

Tags

NGSS.HS-PS4-3