Space

The shifting of wavelengths due to the change in motion of objects is called the _______.

• Redshift

• Doppler Effect

• Blueshift

• Parallax

Redshift and cosmic background radiation is evidence supporting the _____________.

• Electromagnetic spectrum

• Expansion of the universe

• Hubble's Law

• Big Bang Theory

_______________ mathematically shows the universe is expanding at a constant rate.

• Hubble's Law

• Hawking's Theory

• Tyson's Conundrum

• Doppler's Problem

How does a protostar form?

• Space dust

• Gas clouds condensing with gravity

• Atoms being fused together many times

• Even crazier space dust

When does a protostar become a main sequence star?

• When it gets really hot

• When it gets really big

• When it start fusing atoms together

• When it reaches 1 million years old

Define heliocentric

• Revolves around the earth

• Revolves around joe mama

• Revolves around the sun

• Moves towards the sun

Give evidence for the heliocentric theory

• Mars was in retrograde

• Blue shifting

• Cosmic microwave background radiation

• Hawking radiation

What two forces are in equilibrium to keep a star from collapsing?

• Gravity and Fusion

• Gravity and Fission

• Expansion and Gravity

• Even crazier space dust

Why do we perceive a planet going into retrograde?

• The planet is overtaking us

• We are overtaking the planet

• The planet is moving away

• It's all a conspiracy

What did Galileo observe that convinced him to abandon the geocentric model?

• Jupiter's moons orbiting it

• Mars' moons orbiting it

• The moons' moons orbiting it

• Saturn's moons orbiting it