Show:
Sun
Moons
Technology
Planets
Outcasts
100
What colour is our sun classified as?
A yellow star
100
Where do astronomers think Triton originated from?
The Kuiper Belt
100
What does NASA stand for?
National Aeronautics Space Administration.
100
How dense is Saturn in comparison to water?
70% of water
100
What are comets commonly refered to as?
Dirty snowballs
200
What is the name of the chemical element that makes up 75% of the sun?
Hydrogen
200
What does maria mean?
Sea
200
When was the HST launched?
1990
200
What does KBO stand for?
Kuiper Belt Object
200
What is the name of the second largest asteroid?
Vesta
300
How many times is the sun's diameter greater than the Earth's diameter?
109 times
300
What is the name of Eris' moon?
Dysnomia
300
What is the biggest space telescope in the world?
Hubble Space Telescope(HST)
300
Neptune doesn't have full rings-what are they called?
Ring arcs
300
What is the difference between a meteoroid and a meteroite?
A meteoroid still orbits the sun while a meteorite has survived an impact with Earth. (lands on Earth)
400
What is the name of the instrument that can help you see the sun's corona?
Coronagraph
400
What is the outermost Galalean moon of Jupiter and name a unique feature of it.
Callisto. Very heavily cratered, dosen't heat up like IO, Europa or Ganymede, etc.
400
What is the name of the term when a space probe uses a planet's gravity(usually Jupiter's) to slingshot itself to increase its speed and change its direction?
Gravitational Slingshot
400
What is the name of the densest planet?
Earth
400
Where do astronomers think long period comets originated from?
The Oort Cloud
500
How many light years is the sun from the center of the milky way?
30 000 light years
500
What are the names of Saturn's moons with two co-orbitals(Also known as Trojans each? (Co-orbitals are moons that share the same orbit with one or more moons)
Dione and Tethys
500
When was the first true astronomical telescope built?
1610
500
What is the name of the dwarf planet located in the Asteroid Belt and how much of the belt's mass does it take up?
Ceres and one third.
500
What is the name of the theory that astronomers use to explain why the Asteroid belt and the Kuiper Belt is alot more sparce than when the Solar System just formed?
The Nice Model(Jupiter and Saturn got into a 2:1 orbital resonance, which flung most of the asteroids, scattering them and few asteroids survive in the belt. Even Uranus and Neptune got flung outwards at that time-yes, they were once much closer to the Sun than they are now.)