Cosmology

When the Universe was a tiny dot it would’ve been unimaginably, ___

• highly blueshifted

• highly redshifted

• chillingly cold

• hellishly hot

Tags

NGSS.HS-ESS1-2

The sudden expansion of the Universe from a dense point was coined “the Big Bang” by which astronomer?

• Arno Penzias

• Fred Hoyle

• Robert Wilson

• Edwin Hubble

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

The Big Bang model predicts the observed abundances of certain elements - ratios of them, compared to ___

• hydrogen

• helium

• lithium

• halfnium

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

From any galaxy, it looks like all the others are ___

• contracting

• expanding

• rushing towards you

• rushing away from you

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

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

A popular model for the Universe, supported by Einstein, was that it was ___

• static

• expanding

• contracting

• created in five days

Tags

NGSS.HS-ESS1-2