Planets
Name the 8 planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
What are the 2 equinoxes?
Spring and fall equinox
An ellipse
One natural satellite is the moon. What was the first artificial satellite?
Sputnik
Define how the phases of the moon happen?
The position of the Earth, moon, and sun
Name all the rocky planets and three reasons why they're rocky.
Mercury, Venus, Earth, and Mars are all rocky because they're made of mostly rock and metal, they're heavier than gas giants, and they have no rings.
What are the 2 solstices?
Summer and winter solstice
What is the tilt of the Earth and what would happen if it wasn't tilted?
23.5 degrees and if the Earth wasn't tilted then we wouldn't have seasons.
What do optical telescopes do?
Optical telescopes produce magnified images of objects
What is the exact time of Earth's rotation and revolution?
Rotation- 23 hours and 56 minutes
Revolution- 365 days 6 hours and 9 minutes
Name all the gas giants and three reasons why they're gas giants.
Jupiter, Saturn, Uranus, and Neptune are gas giants because they are made of gas, have rings, and move quickly in space
When are the spring and fall equinoxes?
Spring- March 20-22
Fall- September 20-22
What two gases make up the sun?
Hydrogen and helium
What do radio telescopes do?
Radio telescopes study radio waves in space
What is a space probe?
A probe that gathers information and immediately sends it back to Earth
Explain why Pluto's not a planet.
Pluto is not a planet because of its size, orbit, and temperature
When are the solstices?
Summer- June 20-22
Winter- December 20-22
What is the formula F to C?
(F-32) x 5/9= C
In which project did two teams of astronauts meet and connect their ships?
Project Gemini
What is a space shuttle?
A reusable spacecraft that transports astronauts, satellites, etc.
How long is 1 year on Uranus?
84 Earth years
What are the other names for the equinoxes?
Spring- Vernal
Fall- Autumnal
How does thermal expansion happen?
Thermal expansion happens when the temperature of an object increases and the molecules speed up and move farther apart. This causes objects to expand.
Which project had the first crew to orbit Earth and come back safely?
Project Mercury
What is the largest volcano in our solar system and which planet is it located on?
Olympus Mons and it's on Mars