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Chapter 28: Our Solar System

NAME: _________________________________
DUE: 02/22/2023
Points: 18
Across
Ratio of the distance between the foci to the length of the major axis; defines the shape of a planet's elliptical orbit.
The average distance between the Sun and Earth.
Low, warm, dark-colored cloud that sinks and flows rapidly in the Jovian atmosphere.
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.
Large, gaseous planet that is very cold at its surface; has ring systems, many moons, and lacks solid surfaces - Jupiter, Saturn, Uranus, and Neptune.
Form of hydrogen with both liquid and metallic properties that exists as a layer in the Jovian atmosphere.
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.
An oval that is centered on two points called foci; the shape of planets' orbits.
Cliff on Mercury; similar to those on Earth but much higher.
Down
One of the rocky-surfaced, relatively small, dense inner planets closest to the Sun - Mercury, Venus, Earth, and Mars.
Small, eccentrically orbiting body made of rock and ice which have one or more tails that point away from the Sun.
A planet's apparent backward movement in the sky.
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.
Space object built of solid particles that can form planets through collisions and mergers.
High, cool, light-colored cloud that rises and flows rapidly in the Jovian atmosphere.
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.