What is the main component of our sun?
Hydrogen
By today's standards, how many official planets do our solar system have?
8
How many confirmed moons does Venus have?
0
What does I.S.S stand for?
International Space Station
On which celestial body in the solar system can you survive the longest without a space suit?
Earth
How long time does it take for the sun's light to reach Earth?
8 minutes
Earth has another name, what is it?
Tellus, or Terra
What is the name of the 2 Mars moons?
Name one rover that has been put on Mars.
Sojourner/Spirit/Opportunity/Curiosity/Perseverance/Zhurong
How long distance is 1 AU?
The distance from the Sun the Earth
What happens during a solar-eclipse?
The moon passes in front of the sun
What planet has a longer day than year?
Venus
Which moon is the closest to Jupiter?
Which apollo mission successfully put a man on the moon?
Apollo 11
Name a celestial body in our solar system (excluding Earth) that has a thick atmosphere
Venus, Titan
How will the sun die?
It will turn into a red giant, shed its outer layers, then shrink to a white dwarf.
What planet has the most moons?
Saturn (285 moons)
Which moon is the largest is in the solar system? (By surface area)
Ganymede
What is the furthest built object from Earth?
Voyager 1
How fast is the speed of light? (In km per second)
300 000 km/s
(More specifically 299 792 km/s)
What is a Dyson sphere?
A hypothetical megastructure consisting of a shell enveloping the sun to absorb sunlight and convert it into insane amounts of energy
How much would you have to compress the Earth to turn it into a black hole?
Down to the size of a marble (About 1,5 cm)
If the moon were to reach the roche limit with Earth, what does that mean?
The Earth gravitational pull on the moon would get stronger than the moons internal gravity, which causes the moon to fall apart and disintegrate.
(And yes, this would cause great disasters on earth, in various ways.)
Researchers have come up with a few ideas for "stellar engines", what is the name and purpose of these hypothetical constructs?
Built to move the sun, and with that, the rest of the solar system follows. 2 Examples are: The Shkadow thruster, and the Kaplan thruster.
What is the furthest astronomical thing that is still considered part of our solar system?
The Oort cloud