Planets
What is the only other planet in our solar system that we believe could sustain life
Mars
The first nation to space
The Soviet Union (Russia)
The gravitational pull of the Moon on Earth's oceans results in...
Tides
The elliptical path the Earth takes to travel around the Sun
Orbit or revolution
The main theory that describes how our universe was created
The Big Bang Theory
Now considered a dwarf planet
Pluto
First living creature in space
Fruit flies
The terms used to describe the moon when it appears to grow bigger and when it appears to get smaller
Waxing and waning
At these times of year (seasons) the sunlight shines equally on the northern and southern hemispheres
Spring and Fall
What is at the center of the Milky Way galaxy
A black hole
This planet is considered Earth's twin due to their similar size, mass, and density
Venus
The NASA telescope that is currently sending back high quality images of deep space
Hubble telescope
The Sun is primarily made of these two gases
Hydrogen and helium
Three things that change as a result of Earth's revolution (100pts for each correct answer)
1. Length of day and night
2. Seasons
3. Star patterns
Traits that tell if object is a planet (100pts for each correct answer)
1. Has to be round
2. Has to orbit around a star
3. Has to have enough gravity to clear other objects from its orbit
How many planets have rings? Name them
4 (Jupiter, Saturn, Uranus, and Neptune)
What does NASA stand for
National Aeronautics and Space Administration
This occurs when the Earth passes directly between the Sun and Moon, casting a shadow on the Moon
Lunar eclipse
This part of the Earth gets the most direct light from the sun and has the least variation in daylight hours
The Equator
The barrier that separates the terrestrial planets from the gas giants
Asteroid belts
Name the planets in order from closest to the Sun to farthest
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
President that founded NASA
Dwight D. Eisenhower
The average distance from Earth to the Moon
239,000 miles
This is the term for the two times a year when neither hemisphere is tilted towards the sun
Equinoxes
What is the relationship between a meteoroid, a meteor and a meteorite
A meteoroid is floating in space, the meteor is traveling through Earth's atmosphere and a meteorite has made it to the surface (land)