This causes the sun & stars to appear as if they are moving throughout the earths sky.
What is earth's rotation?
This makes up almost 100 percent of our solar systems mass.
What is the Sun?
Inner planets have this type of surface.
What is rocky?
These are gigantic balls of very hot gases that give off radiation.
What is a star?
This is the largest planet in our solar system and the fifth planet in our solar system. It has many moons and its atmosphere is made up of mostly hydrogen and helium.
What is Jupiter?
This is the region between Mars & Jupiter where most of the asteroids are found.
Imaginary line that earth rotates on.
What is it's axis?
This is the innermost layer of the sun.
What is the photosphere?
This is a spacecraft that gathers data without a crew.
What is a space probe?
These are made when meteorites, or rocks that fall from space, crash into the surface of a planet.
What are craters?
When Galileo looked through a telescope he saw what looked like handles on this planet.
What is Saturn?
This is a frozen mass of different types of ice and dust orbiting the sun.
What is a comet?
This gives us our seasons on Earth.
What is the tilt of the earth's axis?
These are dark spots on the sun that can only be seen through a telescope.
What are sunspots?
This is a large round object that revolves around a star.
What is a planet?
This planet is surrounded by swirling clouds which consist of strong winds and lightening.
What is Venus
This planet rotates on its side.
This is a small piece of rockmoving in space. They are boulder size or smaller.
What is a meteorite?
The path earth takes as it revolves around the sun.
What is it's orbit
This is an explosive eruption of waves and particles into space.
What is a solar flare?
This planet has almost no atmosphere because it is the planet closest to the sun.
What is mercury?
This is an object in space that orbits another object in space.
What is a satellite?
This is the farthest planet you can see without a telescope.
What is Uranus?
This is a large round object that revolves around the sun, but has not cleared its orbit.
What is a dwarf planet?
The period of 365 days or 1 year represents this.
What is earth's revolution around the sun?
The second layer of the sun atmosphere.
What is the chromosphere?
This planet is sometimes called "Third rock from the sun".
What is earth?
This makes life possible on our planet Earth.
What is the atmosphere?
This planets largest moon is called titan.
What is Saturn?
These are sometimes called shooting starts.
What are meteors?
This keeps all of the planets in orbit.
What is the suns Gravity?
This is a group of stars that form a pattern.
What is a constellation?
This planet rotates in the oppposite direction of Earth.
What is Venus?
Polaris is called the north star because of this and it appears as though the star does not move all night.
What is it's location above the North Pole?
This gas gives Uranus & Neptune it's blueish color.
What is methane?
This is a natural object that orbits a body bigger than itself.
What is a moon.
This is the shape of Earths orbit, similar to an oval.
What is elliptical?
This star is at the end of the little dipper and very important in navigation.
What is polaris?
This planet's soil contains iron oxide, whichgivese it the color Red. This is why this planet is called the "Red Planet".
What is Mars?
These are sometimes called the "Gas Giants".
What are the outer planets?
This is the 8th planet from the sun and the smallest of the gas giants.
What is Neptune?
This is a rocky mass that revolves around the sun.
What is an asteroid?