Planets
how many planets are in our solar system?
eight planets
can you see stars in the night sky?
yes.
What do galaxies contain?
Stars, Planets, and vast clouds.
What color are the sunsets on Mars?
blue.
How many astronauts are on the ISS?
7.
what is the hottest star in our solar system?
the sun
What are stars?
a huge glowing ball of gas
How much does a black hole weigh?
inifinte.
Is space always cold?
no its not, space can reach 250 degrees.
How many people walked on the moon?
12.
what is the planet closest to the sun?
Mercury
What color are the hottest stars? What color are the coolest?
hot stars are blue/white, cool stars are red.
How many stars does the milky way have?
over 200 billion stars.
What shape is the moon?
lemon shaped.
How many people have been to space?
676.
What is the last planet in the solar system?
Neptune
how old is a star?
1 and 10 billion years old.
What is the milkyway's visible matter?
dust and gas.
Why are astronauts suits white?
They are white to reflect heat.
How many people have died in space?
21.
Which planets have rings?
Jupiter, Saturn, Uranus, Neptune
How are stars grouped into different types?
spectral classification
is there a black hole located in the center of the milkyway?
Yes, its called Sagittarius A.
How big is a blackhole?
as small as one atom.
How many woman are astronauts?
16.