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Chapter 28: Our Solar System (INCORRECT COPY)

Points: 19
Horizontales
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 - Jupiter, Saturn, Uranus, and Neptune.
Occurs when Earth intersects a cometary orbit and comet particles burn up as they enter Earth's upper atmosphere.
Form of hydrogen with both liquid and metallic properties that exists as a layer in the Jovian atmosphere.
Low, warm, dark-colored cloud that sinks and flows rapidly in the Jovian atmosphere.
Piece of interplanetary material that falls toward Earth and enters its atmosphere.
Small solar system bodies that are mostly rock and ice, lies outside the orbit of Neptune, 30 to 50 AU from the Sun, most probably formed in this region.
Streak of light produced when a meteoroid falls toward Earth and burns up in Earth's atmosphere.
Verticales
One of the rocky-surfaced, relatively small, dense inner planets closest to the Sun - Mercury, Venus, Earth, and Mars.
High, cool, light-colored cloud that rises and flows rapidly in the Jovian atmosphere.
Cliff on Mercury; similar to those on Earth but much higher.
The average distance between the Sun and Earth.
Space object built of solid particles that can form planets through collisions and mergers.
Ratio of the distance between the foci to the length of the major axis; defines the shape of a planet's elliptical orbit.
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.
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.
An oval that is centered on two points called foci; the shape of planets' orbits.
Small, eccentrically orbiting body made of rock and ice which have one or more tails that point away from the Sun.