Cosmology
Stars
Observatories
Nebulae
Sci-Fi
100
His self proclaimed "greatest blunder" was adding a constant to his equation of General Relativity. This "blunder" later turned out to be correct.
Who is Albert Einstein?
100
These happen when charged particles interact with a star's plasma, until the star can't take it anymore and emits a burst of radio waves, and sometimes a coronal mass ejection. 
What is a Solar Flare?
100
Named after the first astronomer to classify galaxies by their morphologies, this telescope required a NASA space mission to fix its optics, but would then go on to see further and clearer than ever before.
What is the Hubble Space Telescope?
100
What is the Eagle Nebula?
or
What are the Pillars of Creation?
100
It is what gives a Jedi his power. It’s an energy field created by all living things. It surrounds us and penetrates us. It binds the galaxy together.
What is The Force?
200
The remnant glow of the Big Bang, now only visible in microwave frequencies, has been given this name.
What is the Cosmic Microwave Background?
200
A star system with two stars that orbit each other is called this.
What is a binary star system?
200
This dormant volcano is the largest mountain in the World when measured from its underwater base beneath the state of Hawaii. Let's hope it stays dormant since it's now called home by 13 telescopes each funded by as many as 11 countries.
What is Mauna Kea?
200
This type of nebula is generated in the death of a Sun-like star, but has a very misleading name.
What is a planetary nebula?
200
"Open the pod bay doors, HAL."
What is 2001: A Space Odyssey
300
This mysterious, invisible source of energy causes the universe to accelerate its expansion.
What is dark energy?
300
This element was discovered in the atmosphere of the Sun before it was used on Earth to ~lighten~ the mood.
What is Helium?
300
Built into a natural sinkhole in 1963, it was the world's largest single-aperture telescope until 2016. In 2020, it came crashing down, but it's legacy won't.
What is the Arecibo Observatory?
300
What is the Crab Nebula?
300
According to Interstellar, gravity and this transcend the dimensions of space and time.
What is love?
400
These two theories, one describing the very small and the other describing the very large, are both needed to understand the universe, but they produce inconclusive results under extreme conditions, such as inside black holes. This tells us that our current understanding of the Universe is incomplete.
What are quantum mechanics and general relativity?
400
The element beyond which it is no longer energetically favourable for fusion to occur, initiating the collapse of massive stars. Stars without enough mass to get there may be jokingly called (by Scott) anemic.
What is Iron?
400
In 1918, it was the second largest telescope in the world and is still used to this day. It has many friends, some of whom may be here tonight!
What is the Dominion Astrophysical Observatory?
400
What is the Cat's Eye Nebula?
400
Sandra Bullock is the female lead in this movie where she and another astronaut are stranded in space after the destruction of their space shuttle
What is Gravity?
500
Current cosmological models require a period shortly after the Big Bang of exceptionally rapid expansion, called this.
What is Inflation?
500
Betelguese, on the shoulder of Orion, is an example of this type of large, colourful star. It is expected to explode very soon. Or maybe in a few million years.
What is a red giant?
500
It's very large dome was designed right here in Port Coquitlam, BC. It will be the largest of its kind (if it's ever built, that is).
What is the Thirty-Meter Telescope?
500
What is the Horsehead Nebula?
500
Mined on the surface of the desert planet Arrakis, home of Duke Leto Atreides, this gives Space Guild Navigators the ability to travel through interstellar space... but at what cost?
What is The Spice?