These are the two basic types of telescopes.
What are reflecting and refracting?
Simply put, this is what we know about dark matter and dark energy.
What is we don't know?
These are the page numbers where you could find information on the cold interstellar gas within the Milky Way Galaxy.
What is 432 - 433?
This is the projection of the north pole into space.
What is the north celestial pole?
This candle making process describes the moon as its bright portion gets bigger.
What is waxing?
The space-based Spitzer telescope captures this part of the EM spectrum.
What is infrared (IR)?
This is 6000 in scientific notation.
What is 6 x 10^3?
This is how many AUs Neptune is away from the sun.
What is 30.05?
This is the separation of the sky and the ground.
What is the horizon?
This lunar phase is also known as the last quarter.
What is third quarter?
New Mexico is the home of this very large radio telescope.
What is the Very Large Array (VLA)?
This is how many universal forces there are?
What is four?
What is 26?
Paula Abdul said that this point in the night sky is "straight up."
What is the zenith?
This side of the moon is lit first as the moon goes through its phases.
What is right?
This process of signal amplification is used in optical and radio telescopes with two or more telescopes producing interfering waves with one another.
What is interferometry?
One astronomical unit (AU) is this many miles.
What is 93 million miles?
This is Saturn's largest moon.
What is Titan?
This is the projection of the Earth's equator into space.
What is the celestial equator?
This type of eclipse may form when the Earth is between the sun and moon.
What is lunar?
This is what CCD stands for.
What is charge-coupled device?
These very tiny subatomic particles make up protons and neutrons.
What are quarks?
This is how many light years away the star Procyon is from the Earth.
What is 11.44?
These north-south lines divide the night sky the same way lines of longitude divide the Earth.
What is / are right ascension?
This type of solar eclipse occurs when a ring forms around the sun due to the inability of the moon to completely cover it.
What is annular?