Planets
This is the third planet from the Sun.
What is Earth?
This is the name of the galaxy that contains our solar system.
What is the Milky Way?
Black holes form when these massive objects collapse under their own gravity.
What are stars?
This is the color of the hottest stars.
What is blue?
He was the first person to walk on the Moon.
Who is Neil Armstrong?
Known as the Red Planet, it has the largest volcano in the solar system.
What is Mars?
The specific shape of the Milky Way.
What is a barred spiral?
This is the name of the “point of no return” around a black hole.
What is the event horizon?
This is the name for a group of stars that forms a pattern in the sky.
What is a constellation?
She was the first American woman in space.
Who is Sally Ride?
This planet spins on its side and has 13 known rings.
What is Uranus?
This galaxy is the closest spiral galaxy to the Milky Way and is expected to collide with it in about 4 billion years.
What is the Andromeda Galaxy?
This theoretical type of black hole is thought to exist at the center of every large galaxy.
What is a supermassive black hole?
When a massive star dies, it can explode in this dramatic event.
What is a supernova?
This large orbiting lab is where astronauts live and work in space.
What is the International Space Station (ISS)?
This planet has the shortest day of all the planets, rotating once in just under 10 hours.
What is Jupiter?
The central group of stars found in spiral and elliptical galaxies.
What is a galactic bulge or bulge?
According to this British physicist, black holes can emit radiation and potentially evaporate over time.
Who is Stephen Hawking?
This is the final stage of a star that begins its life with about 1.4 to 3 times the mass of the Sun.
What is a neutron star?
This company is the first private company to send astronauts to the ISS.
What is SpaceX?
This planet has a hexagon-shaped storm at its north pole.
What is Saturn?
Discovered by Edwin Hubble, this “sequence” is used to classify galaxies by shape and structure.
What is the Hubble Tuning Fork (or Hubble sequence)?
This famous solution to Einstein’s equations describes a rotating black hole.
What is the Kerr black hole?
This term describes the balance between a star’s gravity pulling inward and pressure from nuclear fusion pushing outward.
What is hydrostatic equilibrium?
This astronaut commanded Apollo 11 but did not walk on the Moon.
Who is Michael Collins?