Solar System
General Questions
Universe
Black Holes
Eclipses
100
Which planet is the biggest?

Jupiter

100

is Neptune bigger than Earth

No

100

how big is the universe

about 93 billion light years

100

what are black holes

an area of such immense gravity that nothing—not even light—can escape from it.

100

what is a an eclipse

when one object casts a shadow on another object

200
Which planet is closest to the sun

Mercury

200

is the sun a star

yes

200

how old is the universe

13.7 billion years

200

what happens to time inside a black hole

it slows down

200

what is a solar eclipse

when the moon casts a shadow onto earth

300

Which planet is the coldest

Uranus

300
Which planet is famous for its big red spot

Jupiter

300

what makes a planet habitable

it has to be a certain distance from its star

300

what happens to you inside a black hole

you get stretched out

300

what is a lunar eclipse

when the earth casts a shadow onto the moon

400

which planet is the hottest

Venus

400

Earth is in what galaxy

Milky way

400

how many stars are there in the universe

200 billion trillion stars

400

are there different types of black hole

yes

400
true or false: eclipses happen every month

false: the moon's orbit it tilted about 5 degrees compared to the plane of the earth

500

which planet is the most dense

Earth

500

who was the first person to walk on the moon

Neil Armstrong

500

does sound travel faster in space

no. there is no sound in space

500

is a black hole 1D, 2D, 3D, or 4D

4D

500

why does the moon appear red during a lunar eclipse

the earth filters out the blue light, leaving the red light to hit the moon