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1. www.astronomy.com › science › venus-was-once-moreVenus was once more Earth-like, but climate change made it ...

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   Jan 5, 2021 · According to recent climate modelling, for much of its history Venus had surface temperatures similar to present day Earth. It likely also had oceans, rain, perhaps snow, maybe continents and...

2. solarsystem.nasa.gov › planets › venusIn Depth | Venus – NASA Solar System Exploration

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   Spending a day on Venus would be quite a disorienting experience – that is, if your ship or suit could protect you from temperatures in the range of 900 degrees Fahrenheit (475 Celsius). For one thing, your “day” would be 243 Earth days long – longer even than a Venus year (one trip around the Sun), which takes only 225 Earth days.

3. Videos

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     Venus 101 | National Geographic

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     Why is Venus So Hot? We Asked a NASA Scientist

     Jun 14, 2023

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     The First and Only Photos From Venus - What Did We See? (4K)

     Jul 21, 2022

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4. www.space.com › 44-venus-seconVenus facts — A guide to the 2nd planet from the sun | Space

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   Feb 26, 2024 · Now, scientists think that it is most likely that, billions of years ago, Venus could have been habitable and fairly similar to current-day Earth.

5. science.nasa.gov › venus › venus-factsVenus Facts - Science@NASA

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   Earth's nearness to Venus is a matter of perspective. The planet is nearly as big around as Earth. Its diameter at its equator is about 7,521 miles (12,104 kilometers), versus 7,926 miles (12,756 kilometers) for Earth. From Earth, Venus is the brightest object in the night sky after our own Moon.

6. earthscience.stackexchange.com › questions › 9097Terrestrial Day vs. Venusian Day: Why the Huge Time Difference?

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   Nov 13, 2016 · The diameters of Venus (7,520.8 miles) and Earth (7,917.5 miles) are comparable, but the disparity of the length of the day for each planet - as expressed in terrestrial hours - is enormous; a day on Venus lasts 2802 hours vs. an Earth day lasting 24 hours (its 116.750 times that of Earth).

7. www.americaspace.com › 2020/08/10 › voyage-to-venusVoyage to Venus: Remembering NASA’s Magellan Mission, 30 ...

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   Aug 10, 2020 · According to NASA’s November 1985 shuttle manifest, the two-day flight with a crew of four astronauts would have seen Magellan deployed into a low-Earth orbit at an altitude of about 184 miles (296 km).

8. People also ask

   How long is a year on Venus?

   • The Venusian year — the time it takes to orbit the sun — is about 225 Earth days long. Normally, that would mean that days on Venus would be longer than years. However, because of Venus' curious retrograde rotation, the time from one sunrise to the next is only about 117 Earth days long.

   Venus facts — A guide to the 2nd planet from the sun | Space

   www.space.com/44-venus-second-planet-from-the-sun-brightest-planet-in-solar-system.html

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   How many spacecraft have visited Venus?

   • Dozens of spacecraft have launched to explore Venus, but not all have been successful. NASA's Mariner 2 was the first spacecraft to visit any planet beyond Earth when it flew past Venus on Dec. 14, 1962. NASA is planning two new missions to Venus: VERITAS, and DAVINCI. Why Return to Venus?

   Venus: Exploration - Science@NASA

   science.nasa.gov/venus/exploration/

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   What was the first spacecraft to visit Venus?

   • NASA's Mariner 2 was the first spacecraft to visit any planet beyond Earth when it flew past Venus on Dec. 14, 1962. NASA is planning two new missions to Venus: VERITAS, and DAVINCI. Why Return to Venus? How did Venus become a sulfurous inferno, while Earth evolved to become the only known world with life?

   Venus: Exploration - Science@NASA

   science.nasa.gov/venus/exploration/

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   What can Venus teach us?

   • There is much, it would seem, that she can teach us. Our nearness to Venus is a matter of perspective. The planet is nearly as big around as Earth – 7,521 miles (12,104 kilometers) across, versus 7,926 miles (12,756 kilometers) for Earth. From Earth, Venus is the brightest object in the night sky after our own Moon.

   In Depth | Venus – NASA Solar System Exploration

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   How long does it take to see the Sun on Venus?

   • For another, because of the planet's extremely slow rotation, sunrise to sunset would take 117 Earth days. And by the way, the Sun would rise in the west and set in the east, because Venus spins backward compared to Earth. While you’re waiting, don’t expect any seasonal relief from the unrelenting temperatures.

   Venus Facts - Science@NASA

   science.nasa.gov/venus/venus-facts/

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   Could solar energy be collected from Venus?

   • Venus would also need to be cooled down from the scorching sun using some kind of  sun shade, which has the side effect of collecting solar energy for potential human or robotic use. The sun-observing Solar Orbiter spacecraft makes regular flybys at Venus, taking measurements of the planet's magnetic field as a side project. (Image credit: ESA)

   Venus facts — A guide to the 2nd planet from the sun | Space

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9. science.nasa.gov › venus › explorationVenus: Exploration - Science@NASA

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   Nov 9, 2017 · Dozens of spacecraft have launched to explore Venus, but not all have been successful. NASA's Mariner 2 was the first spacecraft to visit any planet beyond Earth when it flew past Venus on Dec. 14, 1962. NASA is planning two new missions to Venus: VERITAS, and DAVINCI.