solar system
how many planets are in our solar system
8
is the universe still expanding today?
yes
what is a solar eclipse
when the Moon passes between the Sun and Earth, casting a shadow on Earth
what are stars made up of
giant balls of hot gas mostly hydrogen with some helium and small amounts of other elements
who was the first man on the moon
Neil Armstrong
why is pluto no longer considered a planet
it was discovered that it was too small for it to be a planet
how big is the universe said to have been before the big band
smaller than a pinhead
how many lunar phases does the moon have
8
what is a star
a natural luminous body visible in the sky especially at night
what was the first country to go to space
russia
what are the order of the planets from the sun
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
what is the evidence of the big bang
could you fit all the planets in between the gap of the earth and the moon
yes
What are the 7 star classifications?
O, B, A, F, G, K and M
How long does it take to go 1 light-year?
27 thousand years
what is the main planet that protects earth from asteriods
jupiter
when is was the big bang
13.8 billion years ago
how many times does the moon orbit the earth in a year
13.37 times
what is it called when a star explodes
a supernova
How do satellites help space exploration?
satellites help scientists study Earth, the other worlds of our solar system, and beyond.
what is the phrase to remember the planets
My Very Excellent Mother Just Served Us Noodles
who came up with the big bang theory
Georges Lemaître
how far away is the moon
384,400 km
when is it said that all stars will die out
100 trillion years,
Which was the first space probe to leave the solar system?
Pioneer 10