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Solar System and Stars

Across
The average distance between the sun and the earth.
A small fragment of an orbiting body that has fallen to Earth, generating heat; does not completely burn up in Earth's atmosphere and strikes Earth's surface, sometimes causing an impact crater.
Collapsed, dense core of a star that forms quickly while its outer layers are falling inward, has a radius of about 10 km, a mass 1.4 to 3 times that of the Sun, and contains mostly neutrons.
Ratio of the distance between the foci to the length of the major axis; defines the shape of a planet's elliptical orbit.
Rocky-surfaced, relatively small, dense inner planets closest to the sun- Mercury, Venus, Earth, Mars.
Graph that related stellar characteristics- class, mass, temperature, magnitude, diameter, and luminosity.
An object that, due to its own gravity, is spherical in shape, orbits the Sun, is not a satellite, and has not cleared the area of its orbit of smaller debris.
Energy output from the surface of a star per second; measured in watts.
Occurs when Earth intersects a cometary orbit and comet particles burn up as they enter Earth's upper atmosphere.
Streak of light produced when a meteoroid falls toward Earth and burns up in Earth's atmosphere.
Large cloud of interstellar gas and dust that collapses on itself, due to its own gravity, and forms a hot, condensed object that will become a new star.
Group of stars that forms a pattern in the sky that resembles an animal, mythological character, or everyday object.
Piece of interplanetary material that falls toward Earth and enters its atmosphere.
Down
Region of the space that lies outside the orbit of Neptune, where small solar system bodies that are mostly rock and ice probably found.
One of two stars that are bound together by gravity and orbit a common center of mass.
A small, eccentrically orbiting body made of rock and ice which have one or more tails that point away from the sun.
Form of hydrogen with both liquid and metallic properties that exists as a layer in the Jovian atmosphere.
A spinning neutron star that exhibits a pulsing pattern.
Space object built of solid particles that can form planets through collisions and mergers.
A planet's apparent backward movement in the sky.
Large, gaseous planet that is very cold at its surface; has ring systems, many moons, and lacks solid surfaces- Juniper, Saturn, Uranus, Neptune.
Apparent positional shift of an object caused by the motion of the observer.
High, cool, light-colored cloud that rises and flows rapidly in the Jovian atmosphere.
An oval that is centered on two points called foci: the shape of planets' orbits.
A line of cliffs produced by erosion or faulting.
Low , warm, dark-colored cloud that sinks and flows rapidly in the Jovian atmosphere.