Mars
Space rocks
Stars
Exoplanets and extrasolar planets
Random
100
what is mars's average temperature
what is -140 degrees celsius
100
Why cant we see asteroids crash into earth
What is they burn out
100
What type of star is our sun
What is a Yellow dwarf star
100
What is the closest exoplanet to earth
What is proxima centauri b
100
How long does it take for the iss to make one full orbit
What is 90Mins
200
why doesn't mars have water?
What is it all froze
200
What is in between neptune and pluto
What is Kuiper belt
200
What does the sun burn
What is hydrogen
200
What is the first earth-sized exoplanet to be found the habitable zone
What is kepler-186f
200
What is the hottest planet in the solar system
What is venus
300
Why doesn't Mars have a magnetic field
What is A solid core
300
What comet will visit us in 2061
What is halley's comet
300
What is the largest star we have found
What is UY scuti
300
What is the 20th closest star to the solar system
What is Glise 1061
300
What do we need for a magnetic field
What is Lava core and fast spinning
400
How long does it take for a rover to go to mars
What is 7-9 months
400
What is the largest asteroid found
What is ceres
400
What is the closest binary star system to us
What is Alpha centauri A and B
400
What Exoplanet orbits 3 stars
What is LTT 1445ab
400
Why do crewmates on the ISS need to exersise
What is muscle and bone mass reduction
500
How long is one martin year
What is 631 days
500
What are M(metallic)-type Asteroids made of
What is nickel-iron
500
How long does it take to go to proxima centauri at the speed of light
What is 4 years
500
What is the largest exrasolar planet
What is TrEs-4b
500
How many total number of space debris are in earth orbit
What is 128M