Planets
What shape are the planet's in our solar systems orbits in?
Oval-shaped or elliptical
What is a meteor?
A meteor is a streak of light coming off of a meteoroid that is burning off in the Earth's atmosphere.
What is a galaxy?
A galaxy is a group of millions and billions of stars.
What are objects called that only orbit planets?
Moons
How are the inner planets similar to earth?
They are small in size with solid. large cores. Also have few moons and short revolution times. They are closest to the sun.
Name all the outer planets.
Jupiter, Saturn, Uranus, Neptune
What is a comet?
A comet is a chunk of frozen gases, rock, ice and dust.
Where is our solar system located within the Milky Way Galaxy?
Our solar system is located in one of the spirals in the Milky Way galaxy.
Name two things that orbit the sun.
Asteroids, comets, and/or dwarf planets
Why would a spacecraft not be able to land on any of the outer planets?
The surfaces are made of gases so there would be no solid ground for it to land on.
Name all the inner planets.
Mercury, Venus, Earth, Mars
What is the difference between a meteoroid and a meteorite?
Meteoroids are pieces of rock that break off of asteroids and travel through space. Meteorites are meteoroids that reach the earth's surface.
What type of galaxy is typically the brightest and why?
Elliptical galaxies are typically the brightest because of the cluster of stars at their center.
What factor determine a stars color?
Temperature
What would you call a star that is the hottest and brightest?
Blue giant
Name give ways you would physically describe the inner planets and two ways you would describe the outer planets.
Inner: Very dense and rocky, thin atmospheres, small diameters, and large solid cores.
Outer: Mostly made up of gases, no solid surface, very small cores, cold surfaces, and farther from the sun.
Where are most asteroids found, and in between what planets?
They are found in the asteroid belt which is in between Mars and Jupiter.
What are the four types of galaxies?
Spiral, barred spiral, irregular, and elliptical.
What are the four main characteristics of stars?
Color, temperature, brightness, and size
Name two things that can happen when a cosmic crash occurs.
Large amounts of gas and dust are pressed together, a smaller galaxy can become part of a larger galaxy, or a collision can also form a large, irregular galaxy.