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1. bigthink.com › starts-with-a-bang › jwst-neptuneNeptune has rings — and you can clearly see them in JWST's ...

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   Sep 22, 2022 · Neptune is close: just 0.05% of a light-year away from us. The star to Neptune’s lower right, whose hexagonal spike pattern arises from the shape of JWST’s mirror, is a few thousand light ...

   • Author: Ethan Siegel

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3. www.360onhistory.com › astronomy › neptune-real-blueNeptune – The Real Blue Planet l Ice Giant l Solar System

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   Jan 23, 2024 · Even though it is so far away from the Sun, its winds reach hurricane-like speeds, three times stronger than Jupiter’s and a staggering nine times stronger than Earth’s mightiest gusts. These super storms fling frozen methane clouds across the planet at supersonic speeds (more than 1,200 miles per hour or 2,000 kilometres per hour).

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4. www.space.com › 41-neptune-the-other-blue-planetNeptune: A guide to the windy eighth planet from the sun

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   • Why is Neptune blue? The planet's cloud cover has an especially vivid blue tint that is partly due to an as-yet-unidentified compound and the result of the absorption of red light by methane in the planet's mostly hydrogen-helium atmosphere.
   • Neptune FAQs answered by an expert. We asked planetary scientist Dr Michael Roman a few frequently asked questions about Neptune. Dr Michael Roman. Dr Michael Roman is an expert on the giant planets of the solar system.
   • Does Neptune have rings? Neptune is surrounded by unusual rings, which aren't uniform but possess bright thick clumps of dust called arcs. There are at least 5 rings around Neptune — called Galle, Leverrier, Lassell, Arago, and Adams — and they are considered relatively young and short-lived.
   • Neptune by the numbers. Atmospheric composition (by volume): 80% hydrogen, 19% helium, 1.5% methane. Magnetic field: Roughly 27 times more powerful than Earth's.

5. solarsystem.nasa.gov › planets › neptuneIn Depth | Neptune – NASA Solar System Exploration

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   With a radius of 15,299.4 miles (24,622 kilometers), Neptune is about four times wider than Earth. If Earth were the size of a nickel, Neptune would be about as big as a baseball. From an average distance of 2.8 billion miles (4.5 billion kilometers), Neptune is 30 astronomical units away from the Sun.

6. www.timeanddate.com › astronomy › planetsDistance, Brightness, and Size of Planets - timeanddate.com

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   • Distance from The Sun
   • Distance from The Earth
   • Size in The Sky
   • Brightness

   The planets' distance from the Sun varies because all the planets orbit the Sun on different elliptical paths.

   The top row of planets shows the distance in kilometers or miles.

   The second row of planets dotted on a line illustrates their relative distance from the Sun and each other.

   See full list on timeanddate.com

   The planets' distance from the Earth varies because all the planets orbit the Sun on different elliptical paths.

   Keeping in mind that you are "seeing" the planets from Earth in this chart, you will notice that the Sun, Mercury, Venus, and Mars swap order as time passes. The distance between Earth and Jupiter,...

   See full list on timeanddate.com

   See how large the planets appear in the sky. For local times and where to look etc., try the night sky in your location. The planets' apparent size is measured in arcseconds ("). For comparison, the Sun and the Moon measure about 1800 arcseconds.

   See full list on timeanddate.com

   We measure the apparent brightness of celestial bodies in magnitude. The brighter a planet shines, the lower the magnitude value. Negative numbers indicate that the planet is very easy to spot in the night sky, even with ambient light. The planets also have phases, like the Moon, but these are not indicated in this chart. The two planets which are ...

   See full list on timeanddate.com

7. www.bbc.co.uk › norfolk › kidsNorfolk Kids - Got a question on space? Ask the astronomer! - BBC

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   Jan 31, 2005 · Answer: Neptune reflects 85% of the light it receives from the Sun making it really quite bright. However it is so far away from the Sun at 4.5 billion km that it is not very bright in the sky ...

8. People also ask

   How far away is Neptune from the Sun?

   • Neptune's elliptical, oval-shaped orbit keeps the planet an average distance from the sun of almost 2.8 billion miles (4.5 billion kilometers), or roughly 30 times as far away as Earth, making it invisible to the naked eye. A single orbit of the sun takes Neptune 165 Earth years to complete.

   Neptune: A guide to the windy eighth planet from the sun

   www.space.com/41-neptune-the-other-blue-planet-in-our-solar-system.html

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   How big is Neptune compared to Earth?

   • With a radius of 15,299.4 miles (24,622 kilometers), Neptune is about four times wider than Earth. If Earth were the size of a nickel, Neptune would be about as big as a baseball. From an average distance of 2.8 billion miles (4.5 billion kilometers), Neptune is 30 astronomical units away from the Sun.

   In Depth | Neptune – NASA Solar System Exploration

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   How long does it take Neptune to orbit the Sun?

   • A single orbit of the sun takes Neptune 165 Earth years to complete. Despite Neptune's distance from the sun, which means it gets little sunlight to help warm and drive its atmosphere, Neptune's winds can reach up to 1,500 miles per hour (2,400 kilometers per hour), the fastest detected in the solar system so far.

   Neptune: A guide to the windy eighth planet from the sun

   www.space.com/41-neptune-the-other-blue-planet-in-our-solar-system.html

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   Why is Neptune the windiest planet?

   • Neptune is our solar system's windiest world. Despite its great distance and low energy input from the Sun, Neptune's winds can be three times stronger than Jupiter's and nine times stronger than Earth's. These winds whip clouds of frozen methane across the planet at speeds of more than 1,200 miles per hour (2,000 kilometers per hour).

   In Depth | Neptune – NASA Solar System Exploration

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   How long does a day on Neptune take?

   • One day on Neptune takes about 16 hours (the time it takes for Neptune to rotate or spin once). And Neptune makes a complete orbit around the Sun (a year in Neptunian time) in about 165 Earth years (60,190 Earth days). Sometimes Neptune is even farther from the Sun than dwarf planet Pluto.

   In Depth | Neptune – NASA Solar System Exploration

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   Is Neptune the least understood planet in our Solar System?

   • In many ways, the 8th and final planet in our Solar System, Neptune, is the least understood of all. As the farthest, most distant planet from the Earth, our views of it from afar are dimmer, lower in resolution, and less detailed than all the others.

   Neptune has rings — and you can clearly see them in JWST ... - Big Think

   bigthink.com/starts-with-a-bang/jwst-neptune/

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9. www.learningresources.co.uk › blog › facts-aboutFacts About Neptune for Kids | Learning Resources

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   Jun 30, 2024 · The (other) blue planet in our solar system. Neptune looks like a big, beautiful blue marble when we see it from space, and it has a special reason for being that colour. Neptune is covered in a thick layer of gas, mostly made of a gas called hydrogen, along with a little bit of helium and methane.