The current planets in the solar system.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
The main composition of a star.
What is gas? Or what are hydrogen and helium?
The events that transpire when an object is consumed by a black hole.
What is spaghettification? Or what is being stretched/absorbed?
Main plot of "The Martian" by Andy Weir.
What is the main character must survive after being stranded on Mars?
The main trait of dark matter.
What is having gravity, but is invisible?
Name the body of objects between Mars and Jupiter.
What is the Asteroid Belt?
Name two phases of a star's evolution.
What is stellar nebula/main sequence (high or low mass star)/giant phase (red supergiant or red giant)/final phase (supernova or planetary nebula)/remnant (neutron star -> black hole or white dwarf -> black dwarf)
The point of no return on a black hole name.
What is an event horizon?
Star Wars' mode of advanced and fast space travel.
What is lightspeed? Or what is hyperdrive?
The escape velocity of Earth.
What is 11.2 × 103 m/s or 11.2 km/s or 40,270 kmph or 25020 mph?
The [rounded] orbit period of Neptune in Earth years.
What is 165 years?
The classification of the Sun.
What is G2? Or what is yellow dwarf star?
A method to detect black holes.
What is accretion disks (rings of gas and dust)/orbit influence/gravitational waves/gravitational lensing?
Name of the planet in "Dune" by Frank Herbert.
What is Arrakis?
The term to describe a "ripple" in space-time that is caused by massive changes in the Universe, such as the movement of black holes or neutrino stars.
What is gravitational waves?
Name two dwarf planets.
What is Ceres/Pluto/Eris/Makemake/Haumea?
FREE
Congratulations, you have discovered the 400 free square.
Name of the woman scientist who co-proposed the gravitational spin memory effect. Also referred to as the next Einstein.
Who is Sabrina Pasterski?
The name of the ship and one central character in Star Trek.
What is the USS Enterprise and Captain Kirk/Spock/Nyota Uhura/Christopher Pike/Pavel Chekov/Scotty/Leonard McCoy/Christine Chapel/Hikaru Sulu/Janice Rand/Harry Mudd?
The rocky planet Valles Marineris is located on.
Where is Mars?
Name one of Saturn's moons.
What is Titan/Enceladus/Mimas/Dione/Lapetus?
The estimate of the number of stars in the Universe.
What is one septillion (1024)?
Two of the four types of black holes.
What are Primordial/Stellar-mass/Intermediate-mass/Supermassive black holes?
Ray Bradbury, "All Summer in a Day" period of rainfall.
What is seven years?
The location of the Kuiper Belt from the Sun in astronomical units.
What is beyond Neptune and 30 to 50 AU?