Big Bang Lesson

In the 1910's Vesto Slipher analysed the spectra of “spiral nebulae” and found they were ___

• dimmer than expected

• missing spectral lines

• highly blueshifted

• highly redshifted

Tags

NGSS.HS-ESS1-2

The highly redshifted spectra of nebulae indicated that they were ___

• rushing toward us

• rushing away from us

• quickly expanding

• rotating quickly

Tags

NGSS.HS-ESS1-2

In the 1920s Georges Lemaître proposed on theoretical grounds that the universe was ___

• contracting

• expanding

• static

• dying

Tags

NGSS.HS-ESS1-2

Edwin Hubble and Milton Humason found that the farther away a galaxy was, the faster it was ___

• moving away from us

• moving toward us

• rotating

• expanding

Tags

NGSS.HS-ESS1-2

The farther away something is, the farther in the past we see it. This is called ___

• the “distance anomoly”

• the “Algol paradox”

• the “lookback time”

• “Olbers' paradox”

Tags

NGSS.HS-ESS1-2

In what year was the redshifted light from the early Universe first detected by a pair of radio astronomers?

• 1965

• 1975

• 1985

• 1995

Tags

NGSS.HS-ESS1-2

When we talk about the Universe expanding, we mean ___

• the galaxies are moving

• space itself is expanding

• the galaxies are expanding

• space-time is warping

Tags

NGSS.HS-ESS1-2

Every spot in the Universe appears like the center, which means ___

• they all are

• none is

• Earth is

• the observer is

Tags

NGSS.HS-ESS1-2

Currently, the best measurement we have of the age of the Universe is ___

• 13.82 million years

• 312.8 million years

• 13.82 billion years

• 312.8 billion years

Tags

NGSS.HS-ESS1-2

What was contained in the singularity that gave rise to the Big Bang? Choose the best answer.

• gamma rays

• electrons in a highly excited state

• one atom of every known element in our universe

• all the mass, energy, and time in the universe

Tags

NGSS.HS-ESS1-2