earth and the planets revolve around the SUN
earth is the center of the revolving planets and stars
an oval shape , which may be elongated or nearly circular
central region of the SUN
hydrogen atoms join to form helium
a region of very tightly packed gas where energy is transferred mainly in the form of electronic radiation
the outer most layer of the SUNs interior
inner layer of the SUNs atmosphere
middle layer of the SUNs atmosphere
the outer layer of the SUN
streams of electrically charged particles
areas of gas on the suns surface that are coller then the gases around them
A loop of gas that protrudes from the sun's surface, linking parts of sunspot regions
gas eruptions into space
the four inner planets
The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that would otherwise escape the earth and radiate into space
4 outer planets
thin disc or small particles of ice and rock
loose collections of ice , dust, and small rocky particles whose orbits are usually very long, narrow ellipses
too small rocky objects too small and too numerous to be considered full fledged planets
a chunk of rock or dust in space
(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
a meteoroid that strikes the surface of a moon or planet
life other than that on Earth.
a doughnut - shaped region that extend beyond NEPTUNES orbit about 100 times Earth's distance from the SUN
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