Neptune
September 24th 2007 02:39
Neptune the eighth planet from the Sun. Perhaps not a good place to visit but it is somewhat Surreal. Neptune is one of the class of planets all of them beyond the asteroid belt known as gas giants; the others in this class are Jupiter, Saturn and Uranus. These planets are about 4 to 12 times greater in diameter than Earth. They have no solid surfaces but possess massive atmospheres that contain substantial amounts of hydrogen and helium with traces of other gases. Apart from Jupiter and Saturn Uranus and Neptune cannot be see with the naked eye.
1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune, Passing about 4,950 kilometers (3,000 miles) above the planet.
Voyager 2, launched August 20, 1977, a journey spanning 12 years and several million kilometers later, the Voyager 2 spacecraft captured this view of Neptune's Great Dark Spot (left center), accompanied by bright, white clouds that undergo rapid changes in appearance. The spot is as large as the Earth and about one third the diameter of the Great Red Spot of Jupiter.
Another, smaller dark feature (bottom center) has a bright core. Internal heat drives strong winds on Neptune, moving at speed of up to 450 meters per second. The Voyager 2 images were sent by a small 20-watt transmitter.(around the same energy of 40 watt light globe) Traveling at the speed of light the radio signals took more than 4 hours to reach Earth. (Courtesy of JPL and NASA.)
1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune, Passing about 4,950 kilometers (3,000 miles) above the planet.
1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune, Passing about 4,950 kilometers (3,000 miles) above the planet.
Planet Neptune
Another, smaller dark feature (bottom center) has a bright core. Internal heat drives strong winds on Neptune, moving at speed of up to 450 meters per second. The Voyager 2 images were sent by a small 20-watt transmitter.(around the same energy of 40 watt light globe) Traveling at the speed of light the radio signals took more than 4 hours to reach Earth. (Courtesy of JPL and NASA.)
High-altitude cloud streaks in Neptune's atmosphere
1989, NASA's Voyager 2 became the first spacecraft to observe the planet Neptune, Passing about 4,950 kilometers (3,000 miles) above the planet.
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Comment by Cibbuano
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Comment by Mr Nice Guy
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An avid reader of your posts - but the first time I've felt compelled to put text to screen.
Is it true that Triton is actually moving closer to the planet itself and will eventually be absorbed into Neptune's core?
Keep up the informative and entertaining work.
MNG
Comment by Mountain Fog
Infognito
And why do we see these "spots" in the same area approx. on these planets...and is our Bermuda Triangle area one? Does this look like a spot from further out? Or is it just like a lot of Bermuda shorts that have collected on the beaches from many years of surfers losing their bathers in the waves...and some on shore too!!!
fog
More planets! And what is ROver et al up to? Has it had another 'windscreen clean' (solar panel) lately?
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Astroearth
Comment by CarlCan
Astroearth
thank you for your comment and support.
Yes your correct about Triton. Due to its retrograde motion, the already-close Tritonian orbit is slowly decaying further from tidal interactions and it is predicted that some 3.6 billion years from now, Triton’s orbit will pass within close proximity with Neptune as time goes by. This will result in either a collision with Neptune's atmosphere or the formation of a ring system similar in nature to that found around Saturn.
Cheers
Comment by CarlCan
Astroearth
I must admit I have a soft spot for Neptune too.
Comment by CarlCan
Astroearth
how did you go with seeing Venus in the morning sky ? Neptune has one of the coolest blue colour in th solar system.
Comment by CarlCan
Astroearth
glad to see you are still around.
The spot is one hell of a storm front the size of Earth.
The Martians are still sending fax pictures of mars..... seriously I must do a blog on the Martian rovers soon. The blue colour is pretty much correct because of the high content of methane and other gases.
Better check out some new shorts thoughts
Cheers
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