DICTIONARY LOOKUP
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King of the Planets
The most massive planet in our solar system -- with dozens of moons and an enormous magnetic field -- Jupiter forms a kind of miniature solar system. It resembles a star in composition, but did not grow big enough to ignite. The planet's swirling cloud stripes are punctuated by massive storms such as the Great Red Spot, which has raged for hundreds of years.

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  News Features People Extreme Facts Dictionary

 
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facula

A circular to subcircular region which is brighter than the surrounding area.

filament

A strand of cool gas suspended over the photosphere by magnetic fields, which appears dark as seen against the disk of the Sun; a filament on the limb of the Sun seen in emission against the dark sky is called a prominence.

Filament on the fiery surface of the sun.
fireball

A bright meteor.

fissure

a narrow opening or crack of considerable length and depth.

fluctus

Flow terrain.

fossa

A long, narrow, shallow depression.

fracture

A break or crack.

friction

The rubbing of one surface or thing again another.

 
Can't find it? Don't understand it? Ask us.
Q
facula

A circular to subcircular region which is brighter than the surrounding area.

filament

A strand of cool gas suspended over the photosphere by magnetic fields, which appears dark as seen against the disk of the Sun; a filament on the limb of the Sun seen in emission against the dark sky is called a prominence.

Filament on the fiery surface of the sun.
fireball

A bright meteor.

fissure

a narrow opening or crack of considerable length and depth.

fluctus

Flow terrain.

fossa

A long, narrow, shallow depression.

fracture

A break or crack.

friction

The rubbing of one surface or thing again another.