General Astronomy
The brightest star in the night sky.
What is Sirius?
The reason why black dwarfs do not exist in the universe.
What is the fact that white dwarfs take trillions of years to cool down to become a black dwarf?
The galaxy closest to our Milky Way
What is the Andromeda galaxy (M31)?
The leading theory for the formation of the Moon.
What is a collision between Earth and Theia?
The wavelength of light observed by the James Webb Space Telescope.
What is infrared light?
Neptune's largest moon.
What is Triton?
The Chandrasekhar limit. (BONUS: The physical phenomenon that causes this limit.)
What is the maximum mass that a white dwarf can have before it collapses into a neutron star or a black hole (failure of electron degeneracy pressure to counteract gravity)?
The Milky Way and about 100,000 nearby galaxies are a part of this group
What is the Laniakea Supercluster?
The small objects that eventually become a planet through collisions and gravitational pull.
What are planetesimals?
The planet that was first discovered using a telescope.
What is Uranus?
The Mars rover that landed in 2021.
What is NASA's Perseverance rover?
The element that indicates the end of the lifetime of a star.
What is iron?
Cygnus A is this type of galaxy. (BONUS: The percent of galaxies that are this type.)
What is an elliptical galaxy (60-70%)?
The era during which Earth's molten surface was frequently impacted by asteroids.
What is the Hadean Eon?
The type of telescope that includes Mount Wilson and the Hale Telescope. (BONUS: The name of the person who first invented this type of telescope.)
What is a reflector telescope (Isaac Newton)?
Two stars found in the constellation Orion.
What are Betelgeuse / Rigel / Bellatrix / Saiph / Alnitak / Alnilam / Mintaka / Hatysa / Meissa / Tabit?
The type of supernova that occurs when a white dwarf gains too much mass from a companion star in a binary system.
What is a Type 1a supernova?
The location of our solar system relative to the Milky Way galaxy
What is the Orion Arm?
The approximate time during which the Cambrian explosion occurred. (BONUS: The approximate time when life first appeared on land.)
When is approximately 500 million years ago (approximately 450-480 million years ago)?
The country in which the first telescope was invented.
What is the Netherlands?
The name of the first woman in space. (BONUS: The name of the spacecraft that carried her.)
Who is Valentina Tereshkova (Vostok 6)?
The percent of the matter in the universe that is attributed to black holes.
What is less than 1%?
The galaxy LEDA 074886 (70,000,000 light-years away) is observed to be this shape
What is a rectangle?
The cause for the formation of Earth's magnetic field.
What is the presence of heavy elements in the core?
The type of telescope that combines lenses and mirrors to improve image quality.
What is a catadioptric telescope?