Term
|
Definition
| one full orbit around the sun. |
|
|
Term
|
Definition
| an imaginary line around which an object spins. |
|
|
Term
|
Definition
| an explosive eruption of waves and particles into space. |
|
|
Term
|
Definition
| one whole spin of an object on its axis. |
|
|
Term
|
Definition
| a group of stars that forms a pattern |
|
|
Term
|
Definition
| the path an object takes as it revolves around a star, planet, or moon. |
|
|
Term
|
Definition
| a frozen mass of different types of ice and dust orbiting the sun |
|
|
Term
|
Definition
| a natural object that revolves around a planet. |
|
|
Term
|
Definition
| a large, round object that revolves around a star and has cleared the region around its orbit. |
|
|
Term
|
Definition
| A large, round object that revolves around the sun but has not cleared the region around its orbit. |
|
|
Term
|
Definition
- Any of the four planets in our solar system beyond mars.
- Jupiter, saturn, Uranus, and neptune are the outer planets.
- The outer planets have gaseous surfaces and are realitvely large.
- Space probes have been sent to study the outer planets.
- They have liquid inner layers and solid cores.
|
|
|
Term
|
Definition
- any of the four planets closest to the sun.
- Mercury, Venus, Earth, and Mars are inner planets
- The inner planets have solid surfaces and are small.
|
|
|
Term
|
Definition
| a rocky mass up to several hundred kilometers wide that revolves around the sun. |
|
|
Term
|
Definition
| A spacecraft that gathers data without a crew. |
|
|
Term
|
Definition
- An outer planet.
- The eighth planet from the sun that is the smallest of the gas giants
- Has 13 known moons.
- It takes more than 100 earth years for it to orbit the sun.
- Has a blueish color.
- One of its moons called Triton the oldest moon in solar system.
|
|
|
Term
|
Definition
- Inner Planet.
- The first planet in solar system.
- small planet covered with craters caused by meteorites.
- has no atmosphere, very hot during day, very cold at night.
- It takes 598 earth days for it to rotate once on its axis.
|
|
|
Term
|
Definition
- Sixth planet from the sun
- Outer planet/ gas giant
- atmoshere is hydrogen and helium
- has the most rings
- Not a terrestrial planet
|
|
|
Term
|
Definition
- Largest Planet
- Outer planet/ gas giant
- Fifth Planet from sun.
- mostly made up of hydrogen & helium
- Has a great red spot
- four of the moons can be seen with a telescope called the Galileau moons. Called Galileau moons.
- Jupiters gravity holds asteriods in the area beyond mars.
- moons:ganymede, europa, io,callisto
|
|
|
Term
|
Definition
- The force of attraction between any two objects.
- Objects in solar system stay in their orbits because of gravity
|
|
|
Term
|
Definition
- Fourth planet from the sun.
- soil covers rocky planet & contains iron oxide.
- reddish brown - called the red planet.
- 2 small moons.
- winds callled dust storms.
- Polar ice capin winter and shrinks in summer
- a canyon 10 times bigger than grand canyon
- tilted on its axis at 24 degrees
- a day is called a SOL and is 40 mins longer than an earth day. The day sky looks pink instead of blu.
|
|
|
Term
|
Definition
- third planet from the sun.
- Largest rocky planet
- 3/4 of earth is covered with water
- atmosphere makes life possible on earth contains: itrogen, oxygen, carbon dioxide,& water vapor.
- Only planet that supports life.
- one moonwith no atmosphere.gravity keeps it revolving around earth.
- earth rotates every 24 hours
|
|
|
Term
|
Definition
- outer planet
- seventh planet from the sun.
- most distant planet you can see without a telescope.
- Gas giant atmosphere is hydrogen, helium,and methane.
- Very cold, fuzzy blue look.
- rotates on its side because many objects have hit it.
- Sometimes uranus poles point directly at the sun.
|
|
|
Term
|
Definition
- Pluto is a drawf planet.
- It is smaller than earths moon.
- Pluto has a tilted orbit it is not aligned with the other planets.
- Charon was the first moon of pluto to be discovered.
|
|
|
Term
| The outer belt includes what planets? |
|
Definition
|
|
Term
| The inner belt of planets is separated from the outer belt of planets by the? |
|
Definition
|
|
Term
|
Definition
- Second planet from the sun.
- About the same size of earth, but rotates in oppposite direction.
- Like mercury it is very hot and dry.
- Atmosphere of thick, swirling clouds, with crushing pressure.
- Strong winds with lightening.
- The clouds are made up of tiny droplets of acid.
- Brighest objecct in sky the clouds reflects the suns light.
|
|
|
Term
| Inner planets are also called? |
|
Definition
|
|
Term
| Explain the Sun's gravitational Pull |
|
Definition
| The Sun's gravitational pull keeps the planets in orbit. Beacuse the Sun is so massive, its gravity pulls all the planets toward it. This pull keeps the planets from moving in straight lines into space. |
|
|
Term
|
Definition
- Launched from florida.
- Pioneer 10 and pioneer 11 were first in the 1970's.
- Voyager 1 & 2 were next.
- Galileo exploredd jupiter.
- Cassini explored Saturn.
- A small probe called Huygens was launched from Cassini and landed on saturns moon Titan.
|
|
|
Term
|
Definition
- Known as "Shooting Stars "
- A meteor forms when a meteroid hits Earths atmosphere.
- Boulder sized or smaller, most are the size of pebbles or sand.
- When it shoots througn the air it heats up quickly so it glows. Very bright ones are calledd fireballs.
- They burn up before thay hit earth.
- If it lands on earth it is called a metorite.
|
|
|
