Light
What is an Emission Spectrum
The phenomenon when the moon casts a shadow on earth
What is a solar eclipse
The number of stars with gravitational influence on each other that is most common in the universe (ex: 1, 2, 3, 4)
The usual color of an older galaxy compared to more recent ones
What is Red
The study of the universe and its history
What is Cosmology
The speed of light never changes no matter the medium it travels through...TRUE or FALSE?
What is FLASE
The two water moons in the Solar System (one at Jupiter and one at Saturn)
What are Europa and Enceladus
The star classification order going from hottest to lowest in temperature
What is OBAFGKML
Assuming a galaxy is blue, the part of a galaxy where star formation occurs
What are spiral arms
The best class type of stars to look for alien civilizations (there are three)
What are FGK stars
When it comes to Planck curves, the lower the peak wavelength is the _____ brightness is
What is Higher
The formula to calculate the decrease in brightness of a star that has a planet passing in front of it
The part of the HR Diagram that stars spend a majority of their life in
What is the main sequence
What are Galaxy Mergers
Assuming Lambda = 0, if Omega_m >1, then the universe has negative curvature...TRUE or FALSE?
What is FALSE
The primary way that astronomers know the elemental make up of distant astronomical objects
What are Spectra
The times of day Mercury can be seen in the sky
What are sunset and sunrise
The star death that is peaceful and doesn't involve a nuclear reaction
What is a planetary nebulae or white dwarf
What the presence of dark matter in galaxies implies about the dynamics of the galaxy
What is A Flat Rotation Curve
The process that solves the "Horizon Problem" and the "Flatness Problem"
What is Inflation
What is 1/4
The time of day you would see a waxing crescent overhead you if you were at the equator
What is 3:00PM
The reason blue stars do not live as long as red stars
What is Blue stars emit a higher energy per sec (luminosity) so they burn through their energy faster
There are two galaxies...Galaxy A with Cepheid Aa and Galaxy B with Cepheid Bb. The cepheids have the same luminosity, but Cepheid Aa is 16 times as bright as Cepheid Bb. The galaxy that is further away is...
What is Galaxy B
The reason the universe still expanded besides having almost zero energy
What are Quantum Fluctuations