COMETS

COMETS
✨Comets orbit the Sun just like planets and asteroids do, except a comet usually has a very elongated orbit.
 
As the comet gets closer to the Sun, some of the ice starts to melt and boil off, along with particles of dust. These particles and gases make a cloud around the nucleus, called a coma.
 
The coma is lit by the Sun. The sunlight also pushes this material into the beautiful brightly lit tail of the comet.
 
Comets orbit the Sun just as planets and asteroids do, except that a comet usually has a highly elongated orbit.
 
As the comet approaches the Sun, some of the ice begins to melt and boil, along with dust particles. These particles and gases form a cloud around the comet's nucleus called its coma.
 
The sun illuminates the comet's coma. Sunlight also pushes this material into the comet's bright tail.
 
⚡First Image: Rosetta Comet. Source: ESA/Rosetta/NAVCAM, 2014.
⚡Second Image: Comet ISON shows off its tail in this three-minute exposure. Source: NASA/MSFC/Aaron Kingery, 2013.
 
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