BJU Space & Earth chapt. 5

22 terms by LaDolceVita 

Create a new folder

Advertisement Upgrade to remove ads

planet

Any of the celestial bodies (other than comets or satellites) that revolve around the sun in the solar system

ellipse

The elongated, closed curve that describes Earth's yearlong orbit around the Sun

focus

The point of geometric significance. One of two point sused to define an ellipse. (plural: foci)

perihelion

The point at which the earth is closest to the sun.

aphelion

The place in the Earth's orbit where Earth is farthest away from the sun.

astronomical unit

The average distance from Earth to the Sun, approximately 150 million kilometers

albedo

The fraction or percentage of light shining on a planet or other nonluminous celestial object that it reflects

mass

Amount of matter in an object.( not dependent on the force of gravity)

weight

A measure of the force of gravity exerted on an object

surface gravity

The downward pull (gravitational force) a celestial body exerts on objects at its surface

inferior planet

A planet that orbits between the Earth and the Sun. Mercury and Venus are the only two inferior planets in our solar system.

superior planet

The planets whose orbits are farther from the sun than the earth's orbit

phase

One of the different apparent shapes of the moon as seen from earth.

transit

When a planet passes directly between the earth and the sun so that we see its dark silhouette against the sun's bright disk

retrograde motion

The apparent backward motion of a planet compared to other objects in the solar system

terrestrial planet

Planets that are similar to Earth in density and size

Jovian

Jupiter like; the four outer planets: Jupiter, Saturn, Uranus, Neptune; large/gaseous with rocky cores and low densities.

gas giant

A large planet that consists mostly of gases in a dense form. The four large planets in the outer solar system- Jupiter, Saturn, Uranus, and Neptune.

Galilean moons

The name given to Jupiter's four largest moons, Io, Europa, Callisto & Ganymede. They were discovered by Galileo Galilei.

Great Red Spot

A giant, high-pressure continuous storm on Jupiter. It is reddish, oval shaped, and rotates.

Cassini's Division

Large gap between the two largest rings of Saturn caused by the gravitational pull of the moon Mimas

occult

To hide or to eclipse; to cross in front of

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set