our solar system
how many planets are in our solar system?
8 planets
what was the first successful mission to send people to the moon?
Apollo 11
what is the 4th dimension of spacetime (alongside length, width, and depth)?
time
what planet in our solar system is no longer deemed a planet?
Pluto
Why isn’t it possible to walk on Jupiter, Saturn, Uranus, or Neptune?
Because they do not have solid surfaces.
what is the only planet in our solar system that rotates on its side?
Uranus
How many spacecrafts (including satellites and telescopes) have traveled a light year or more?
none
what is the next closest galaxy to ours?
the Andromeda galaxy
What is the name for a planet that does not orbit a star and instead floats freely through space? (hint! look at the wording)
a free-floating planet
how long does it take light to get to the earth from the sun?
8 minutes
what is at the center of the milky way?
a supermassive black hole
what is the largest telescope in space?
The James Webb Space Telescope
Is the observable universe expanding slower, at, or faster than the speed of light?
faster
what is the most dense thing in the universe?
a black hole
what country won the space race (hint! it is no longer a country)
the Soviet Union
what planet is orbited by a moon called Titan? (hint: this planet has the most moons of any planet in our solar system)?
Saturn
what NASA mission will send people back to the moon? (hint: it is named after a Greek goddess)
Artemis III
when you look through a powerful telescope pointed at a far away galaxy are you looking at the future or the past?
the past
what is the color of the hottest kind of star?
Blue
what are the two highly radioactive donut shaped regions of charged particles that surround Earth?
The Van Allen belts
what is the boundary of the Sun's gravitational influence?
the oort cloud
what is the first spacecraft to enter interstellar space?
Voyager 1
about how old is the universe? (hint! it's in billions of years. Closest answer gets the points)
13.8 billion years
a star over 8 times the size of our sun will turn into what when it dies?
a neutron star or a black hole
is it possible for spacecraft to travel at or faster than the speed of light
no