Astronomy_1_worksheet_4_part_15 - 1 Like the other gas...

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1. Like the other gas giants, it is thickly covered in clouds. The cloud droplets are frozen ices. It never rains or snows on Neptune but methane, ammonia and water ice particles move around at high speed due to the fast rotation of the planet. Neptune is in a perpetual gloomy deep-freeze. The temperature of its outer clouds reach a bone-chilling - 230° C (-380° F). They are so cold that if you somehow exposed your arm to them, your entire arm would freeze absolutely solid in a matter of seconds (UGH!). 2. As you can imagine, Neptune takes a V-E-R-Y long time to orbit the Sun once. Its orbital revolution period around the Sun is 164.8 years . Think about how long that is. The last time Neptune was in the position it is today, the year was 1839 and slavery was still a practice in America. 3. Neptune also has a thin ghostly ring . As you’ve seen, that makes all four gas giant planets with rings . You should know what causes planetary rings now. Moons collided at some time in Neptune’s past, broke into pieces and the pieces are now orbiting as a ring.
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Astronomy_1_worksheet_4_part_15 - 1 Like the other gas...

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