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WorksheetsSpace
Total questions: 15
Worksheet time: 5mins
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
What would you observe if you reversed time all the way back?
Some things would remain, others would move back
The space dust would come back
Everything would condense to a single small point
We don't know
Why does a red giant collapse?
It is an independent star and it don't take nothing from nobody
It cannot fuse any more atoms together
It has fused too many atoms together
Gravity increases
While an orbiting planet doesn't change its speed, what is it doing?
Orbiting at a constant velocity
Accelerating
Continuing in one direction
Constantly changing direction
What happens when a red supergiant collapses?
Neutron Star
Black hole
Supernova
White dwarf
How dense is a black hole?
Quite
Almost as dense as a neutron star
Infinitely dense
A bit
