If a (NASA) rocket heads for Neptune today and if the astronaut turned 13 today how old would he be when he lands?
This will need to be estimated since we have never been to Neptune. The average spaceship goes 25,000 mph traveling to the moon, and Neptune's minimum distance from the Earth is 2.68 billion miles. So at current speeds of interstellar travel the journey would take approximately 12.2 years meaning that your astronaut would be just over 25 years old at the end of his journey
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Why do uranus and neptune appear blue?
Uranus and Neptune's blue color is the result of absorption o...
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John Couch Adams of Britain and Urbain Jean Joseph Leverrier ...
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How many earth days is Neptune year?
While a year on Earth is approximately 365.25 days, a year on...
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"The surface of Proteus [Neptune's Moon] is heavily cratered ...
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Scientists think that Neptune is made up chiefly of hydrogen,...
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Does mercury and neptune have any similarities?
There are no similarities between Neptune and Mercury.Mercury...
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John Couch Adams of Britain and Urbain Jean Joseph Leverrier ...
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Does the planet Neptune carry water?
It is not believed that Neptune ever had water.
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What is Neptune great dark spot?
The Great Dark Spot on Neptune is believed to be a storm simi...
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The methane in Neptune's upper atmosphere absorbs red light f...
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"The surface of Proteus [Neptune's Moon] is heavily cratered ...
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Does it take Uranus longer to orbit around the sun then Neptune?
Neptune is actually the longer orbit by a longshot. I actuall...
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How are Saturn's moon Titan and Neptune's Triton similar?
The moons of Saturn, Uranus and Neptune range in size, though...
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John Couch Adams of Britain and Urbain Jean Joseph Leverrier ...
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What is Neptune's largest satellite?
Triton is Neptune's largest satellite. It's distance is over ...
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What is the surface like on Neptune?
Neptune appears to be composed of mostly "ices" and rock, wit...
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Why are Uranus and Neptune blue green in color?
Methane in the upper atmosphere absorbs red light, giving Ura...
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Does the planet Neptune have rings around it?
Neptune has rings around it. The rings of Neptune are incompl...
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Scientists think that Neptune is made up chiefly of hydrogen,...
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What is an interestin fact for neptune?
How's this one... Neptune's mass is about 17 times that of Ea...
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What are three facts about neptune?
Neptune is the eighth planet from the sun, the fourth largest...
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Neptune:1:(Roman mythology) god of the sea; counterpart of Gr...
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Does Neptune have earthquakes?
Jupiter, Saturn, Uranus, and Neptune don't have solid surface...
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How are Neptune and Uranus similar?
Neptune is similar in composition to Uranus. Astronomers some...
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What are the names of neptune's moons?
There are 13: Triton, Proteus, Nereid, Larissa, Galatea, Desp...
About Neptune
Neptune is the eighth and last planet in our solar system. It is named for the Roman god of the sea. It is the 4th largest planet by diameter and third by mass, 17 times more massive than Earth. It was descovered on September 23rd, 1846 and was the first planet to be found by mathematical prediction rather than observation. Neptune is largely made of hydrogen and helium, with bits of methane and ammonia in the atmosphere. Neptune has 13 moons, and a fragmented ring system comprised largely of frozen chunks of methane.
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