Wiseman 7th SOLAR SYSTEM
MEET OUR SOLAR SYSTEM
Terms in this set (28)
Consists of a star and all the objects that travel around it.
a uge ball of glowing gas that gives off light and heat
Are clostest to the sun and mostly rocky.
*Mercury, Venus, Earth, and Mars.
Are huge; not dense; and have deep, gas atmosphers.
*Jumpiter, Saturn, Uranus and Neptune
the attractive force that exists between objects.
A satellite of a planet.
The pateh that a satellite travels as it moves around a star or a planet.
An object in orbit around a larger object.
A closed curved line on which alll points are and equal distance from the center.
A stretched-out cirle; and oval.
a way of showing how the size of one object is related to the size of another object.
Used to ezpress scale.
an imaginary line, through the center of an object on which the object rotates or turns.
One complete turn of a satellite on its axis.
*Think of a globe spinning or rotating in place.
*One spin equals a rotation.
The length of time a planet takes to make one complete rotation on its axis.
Means to travel around another object.
*The planet revolve around the Sun.
One complete orbit of a satellite.
the length of time a planet takes to make one complete revolution around the sun.
A very small, rocky planet that orbits the Sun.
the area between the orbits of Mars and Jumpiter where most of the asteroids in our solar system are located.
A meteroid falling through a planet's atmosphere and burning brightly because of friction. (Shooting Star)
The bowl-shaped hole on the surface of a planet or other satellite that is caused by the impact of an asteroid or comet.
The rubbing together of two surfaces.
A mass of ice, dust, and rock that orbits the Sun or a planet.
A huge group of solar systems.
Our solar system is part of this galaxy.
All of the galaxies and all the other matter and space around them.
An area of the sky containing starts that seem to outline a figure as viewed from Earth.