Astronomy II

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

• relatively cool in temperature

• moving away from us

• moving toward us

• a blue star

Tags

NGSS.MS-PS4-1

In which sequence are the items listed from least total mass to greatest total mass?

• solar system, Milky Way, universe

• Milky Way, solar system, universe

• universe, Milky Way, solar system

• Milky Way, universe, solar system

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

A) 1 B) 2.5 C) 4.6 D) over 10

• less than

• 2.5

• 4.6

• over 10

Tags

NGSS.HS-ESS1-2

Most of the radiant energy released by the sun results from the process of...

• nuclear fission

• nuclear fusion

• combustion

• electrical generation

Tags

NGSS.HS-ESS1-1

Which evidence best supports the theory that the universe began with a massive explosion?

A) B) C D)

• cosmic background radiation in space

• parallelism of planetary axes

• radioactive dating of Earth's bedrock

• life cycle of stars

Tags

NGSS.HS-ESS1-2

An astronomer can estimate the temperature of a star by observing its...

A)B) C) color D) brightnessA) size B) shape C) D)

• size

• shape

• color

• brightness

The shift in the spectral lines indicates that the star is moving...

• toward Earth

• away from Earth

• in an elliptical orbit around the Sun

• in a circular orbit around the Sun

Tags

NGSS.MS-PS4-1

Base your answer to the following question on the diagram below. The diagram represents the inferred stages in the formation of our solar system. Stage 1 shows a contracting gas cloud. The remaining stages show the gas cloud flattening into a spinning disk as planets formed around our Sun.

Which force was mostly responsible for the contraction of the gas cloud?

• friction

• gravity

• magnetism

• inertia

Tags

NGSS.MS-ESS1-2

Which location on Earth receives a 90 degree Angle of Insolation on the Equinox?

• Tropic of Cancer

• Equator

• Tropic of Capricorn

• South Pole

The diagram below indicates regions of daylight and darkness on Earth on the first day of summer in the Northern Hemisphere. Four latitudes are labeled A, B, C, and D. What location receives the least amount of daylight?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-1