Size of Space
Waves
Beginning & End
Properties of Stars
Life Cycle of Stars
100
This is the unit used to measure distance in the metric system.
What are meters?
100
The lowest energy wavelength on the spectrum.
What are radio waves?
100
Sound waves from objects moving away from us are "stretched".
What is the Doppler Effect?
100
R⊙ the distance from the edge of the star to the center.
What is the solar radius?
100
A space cloud of gas and dust.
What is a nebula?
200
All existing matter and space, considered as a whole. Everything and anything.
What is the universe?
200
The waves that cause sunburn.
What are ultraviolet waves?
200
Light from distant galaxies can be observed as "stretched", providing evidence for the universe expanding.
What is Red Shift?
200
_______% of stars are between 0.05 M⊙ to 25 M⊙
What is 99%?
200
The elements being fused by stars during 90% of their lifetime.
What are Hydrogen and Helium?
300
27,000 m is the same as ______ Km
What is 27 Km?
300
The number of waves per second.
What is frequency?
300
The scientific law that says the further the galaxy, the faster it is moving away.
What is Hubble's Law?
300
Our Sun is _____ Kelvin.
What is 5,500?
300
The force causing stars to collapse, usually progressing their life cycle.
What is gravity?
400
7.0 x 10-3 can also be written as _______.
What is 0.007?
400
The measure from the top of one wave to the top of the next.
What is wavelength?
400
The leftover "sounds" of the Big Bang that tell us the universe is roughly 14 billion years old.
What is Cosmic Microwave Radiation?
400
The color, determined by temperature, of a star.
What is spectral class?
400
The equation used to determine the amount of energy given off by a star.
What is E=mc2?
OR What is 0.03 x 10-27 kg per Helium atom?
500
A synonym for "Power of 10," which can be used interchangeably.
What is "Orders of Magnitude"?
500
These are the highest energy, highest frequency waves.
What are Gamma Rays?
500
The most likely theory for how the universe will end.
What is open?
Or what is The Big Freeze or The Big Rip?
What is the force of dark energy winning out over gravity?
500
How bright a star is if it were 10 parsecs from Earth.
What is absolute magnitude?
500
The result of all Hydrogen being used up, fusion no longer working, and the star being between 3-6 solar masses.
What is a neutron star?