Show:
Intro to the Universe
Stellar Radiation/ Stellar Objects
Cosmology
Stellar Evolution
Galaxies
100
The planet with the most eliptical orbit
What is Mercury
100
The nuclear process that occurs in stars.
What is nuclear fusion.
100
The principle that implies that the universe has no edge or center.
What is the cosmological principle.
100
The name of a cloud of gas that has achieved a temperature increase to the point of emitting visible light.
What is a protostar
100
The spiral galaxy we live in
What is the Milky Way
200
Io, Europa, Ganymede, Callisto, to name a few
What are Jupiter's moons
200
The two forces that ensure the stability of a star.
What are radiation pressure and gravitation.
200
It provides evidence for the big bang. It uses the isotropy principle.
What is cosmic background radiation.
200
The temperature of the core of a red giant as the outer surface layer expands and cools (inc or dec)
What is increasing
200
5% of all galaxies fall into this category
What are irregular galaxies
300
Sometimes considered Pluto's moon, but due to it's size, can be seen as a binary planet to Pluto
What is Charon
300
The brightest star in the night sky. Also part of a binary system.
What is Sirius (A)
300
Open, closed, and fixed
What are possibilities regarding R(t), the scale factor of the expansion of the universe.
300
An increase in luminosity resulting from the heating of material from a companion star in a binary system by a white dwarf.
What is a nova
300
The nearest galaxy to the Milky Way AND the largest galaxy in the local group
What are the Large Magellanic Cloud and the Andromeda galaxy.
400
9.46 E14
What is a lightyear
400
The spectral class denoted by a blue color and a high temperature.
What is O.
400
WIMPS and MACHOS
What is dark matter
400
The limit in solar masses below which is a stable white dwarf
What is 1.4 solar masses (the Chandrasekhar limit)
400
14 billion years
What is the Hubble Time
500
An example of a stellar cluster, referred to as "the seven sisters".
What are the Pleiades.
500
Polaris and Delta Cephei, to name two.
What are Cepheids.
500
All permeating vacuum energy that fills the universe
What is dark energy (congrats, you got 500 points for an easy question)
500
By observing these, we can observe the universe as it was a very long time ago.
What are quasars
500
Time after the Big Bang when nuclei formed
What is 3 minutes.