100 200 400 300 400 Solar Systems & Night Sky Galaxies 300 200 400 200 100 500 100 200 300 400...
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Transcript of 100 200 400 300 400 Solar Systems & Night Sky Galaxies 300 200 400 200 100 500 100 200 300 400...
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Cosmology
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Tools, Laws & Methods
The Sun & Other Stars
Row 1, Col 1
This Law tells us the distance of a planet from the Sun if we know
its period.
What is Keplers Third Law?
3,1
Gaseous planets and icy bodies formed beyond this location
in our solar system.
What is the Frost Line?
4,1
This process built the planet we are standing on during the
formation of the solar system
What is accretion?
5,1
This causes the seasons on Pluto
What is the eccentricity of Pluto (or) What is the distance of Pluto from the Sun?
2,3
This allows us to determine the age of a cluster of stars.
What is the main sequence turn off (TO) point?
3,3
This is the second longest living type of star on the
main sequence.
What is a K Type Main Sequence Star?
4,3
This supports a White Dwarf against gravitational collapse.
What is electron degeneracy pressure?
5,3
This is the first thing that happens when a star leaves the
main sequence.
What is a contracting core?
2,2
This tells us how the peak Wavelength of a blackbodyChanges with temperature
What is Wien’s Law?
5,2
This relation tells us how to determine mass from a rotation
curve
What is the orbital velocity Law
(or orbital velocity-radius-mass relation)?
2,4
These are the size of a solar system and more luminous than
a galaxy
What are Active Galactic Nuclei (AGN or Quasars)?
3,4
Spiral galaxies of this type are more commonly found at small
lookback times.
What is a spiral galaxy with a bar?
4,4
These galaxies have very high rates of star formation.
What are starburst (or merging) galaxies?
2,5
This is all around us and is evidence that the Universe started with a big bang.
What is the Cosmic Microwave Background (CMB) ?
3,5
This relation is used to find the distances to nearby galaxies.
What is the Cephied Period-Luminosity relation?
4,5
These objects are used to find the distances to very remote
galaxies.
What are white dwarf supernovae?