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23.3&4 Jovian & Smaller objects

Across
This comet will show up for you in 2061
This is a moon on Saturn is larger than Mercury
This meteoroid burned up in the atmosphere.
This meteoroid reached the Earth.
A mass greater than 2 1/2 times the other planets & moons combined
Neptune's volcanically active moon
The glowing nucleus in a comet
186,282 mps is known as the ___ (3)
This moon is more than 1/2 the size of the planet that it revolves around
Where have the oldest rocks on Earth been found so far?
The 2 tails of a comet are ___ & ___ (2)
Rotates perpendicular to the plane of its orbit.
Comets are made up of pieces of rock & ____ materials
The term for the farthest 4 planets from the sun
Down
The belt be located between Jupiter and Mars
A dwarf planet found in the asteroid belt.
This moon is the only one that exhibits a retrograde motion
Jupiter's volcanically active moon.
A small solid particle that travels through space.
Saturday's birthday boy discovered a huge cloud made up of comets. (2)
A region of comets just beyond Neptune (2)
Discovered the Giant Red Spot on Jupiter.
What "kind"of planet has a weak gravity system to not pull in smaller nearby bodies?
This used to be planet lives in a crowded neighborhood.