Another word for spin is __________.
Rotates
Which country "won" the space race by landing on the moon? Who were those men that walked on the lunar surface?
America. Niel Armstrong, Buzz Aldrin
What is the largest & smallest planet? (Remember, Pluto is not a planet!)
Largest: Jupiter
Smallest: Mercury
Milky Way Galaxy
This is a cluster of dust and gas, filled with billions of stars.
Galaxy
TRUE/FALSE: The axis is an invisible line between the North and South pole that runs through a planet.
True
The Russians sent ______ and the Americans sent _____ into orbit before any humans were sent.
Dogs, Monkeys/Apes
The inner planets are _________, whereas the outer planets are _____________.
The tides (where water raises and lowers in height at sea) are dependent on this celestial body that is close to Earth.
The Moon
Larger celestial bodies have much more of this. It is also what keeps the moon orbiting the earth, and pulls us to the ground.
Gravitational Pull
Uranus has a unique axis tilt, what is unique about it?
It lies "sideways" at an over 90° tilt.
The ISS, a large satellite currently orbiting the earth with people living on it, stands for what?
International Space Station
Name all of the planets in correct order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Heat & Light
These can be either natural or unnatural, and orbit larger celestial bodies. (Hint, unnatural ones give us internet or even TV)
Satellite
The earth has seasons because of it's axis tilt (23.5°). When the top, or Norther Hemisphere, is tilted towards the sun, what season is it? What about the Southern Hemisphere?
Summer in the Northern Hemisphere, Winter in the Southern Hemisphere
Who was the first human ever sent into orbit? (Hint: He was a Russian cosmonaut)
Yuri Gagarin
This is the hottest planet in the solar system because of its thick, dense atmosphere that traps heat.
Venus
False
This is a synonym for "cold", and describes planets like Uranus and Neptune.
Frigid
There is another planet with a unique tilt that makes it spin backwards, which planet is it?
Venus, it's axis tilt is 177°
What is the difference between a space probe and a space craft?
Probes are unmanned & launched into space to take pictures. Will never return to earth.
Spacecraft are often manned & are launched into space for research. Will return to earth.
This planet has the most unique orbit, only rotating 3 times for every 2 years, That's one & a half days per year! Its orbit is also the most elliptical, meaning it's more like an oval.
Mercury
Why isn't Pluto classified as a planet anymore?
It does not clear its orbital path.
This is a building astronomers use to look at space.
Observatory