galaxy
what is the name of the galaxy we live in
milky way
what is the name of our planet
earth
what is at the center of the Solar system
sun
what do stars produce
light and heat
who was the first human in space
yuri gagarin
what is a galaxy mainly made of
stars gas dust dark matter
what is Earth's only natural satellite
moon
which planet is closest to the sun
mercury
what is the closest star to earth
sun
when did humans first land on the moon
1969
what is the nearest large galaxy to ours
andromeda galaxy
what percentage of Eart's surface is covered by water
about 71%
what is the largest planet in the solar system
jupiter
what are stars mainly made of
hydrogen and helium
who was the first person to walk on the moon
neil armstrong
what is usually found at the center of a galaxy
black hole
how long does it take Earth to orbit the Sun
1year
365days
which planet is famous for its rings
saturn
how do stars produce energy
nuclear fucion
(yadro sintei)
what is the science of studying space called
astronomy
what type of galaxy is the milky way
spiral galaxy
what are the main layers of the Earth
core
mantle
crust(yadro mantiya qobiq)
how many planets are in the solar system
8
what is the explosion of a dying star called
supernova or gipernova
supernova
what is a famous space telescope
hubble space telescope