All About Venus

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Questions and Answers

Which planet is known as Earth's closest planetary neighbor?

  • Jupiter
  • Venus (correct)
  • Mars
  • Saturn

What is the surface of Venus primarily composed of?

  • Gas
  • Ice
  • Liquid water
  • Rock (correct)

What is the approximate surface temperature on Venus?

  • 900 degrees Fahrenheit (correct)
  • 50 degrees Fahrenheit
  • 200 degrees Fahrenheit
  • 0 degrees Fahrenheit

Venus is named after which Roman goddess?

<p>Goddess of Love and Beauty (A)</p> Signup and view all the answers

What is notable about the direction Venus spins, compared to Earth?

<p>Venus spins in the opposite direction of Earth. (B)</p> Signup and view all the answers

How much sunlight does Venus reflect?

<p>70% (B)</p> Signup and view all the answers

What is unique about the length of a day on Venus compared to its year?

<p>A day is significantly longer than a year on Venus. (C)</p> Signup and view all the answers

What mission is Japan's Akatsuki currently undertaking?

<p>Studying weather patterns (C)</p> Signup and view all the answers

Which NASA spacecraft was the first to fly by Venus?

<p>Mariner 2 (D)</p> Signup and view all the answers

What makes exploring the surface of Venus difficult?

<p>Intense heat and crushing air pressure (C)</p> Signup and view all the answers

What amount of Earth's air pressure does Venus have?

<p>90 times (B)</p> Signup and view all the answers

What US mission to Venus is planned for 2029?

<p>DAVINCI (B)</p> Signup and view all the answers

Which future mission to Venus is a collaboration with the ESA?

<p>EnVision (B)</p> Signup and view all the answers

Which Soviet Union probe survived on Venus surface?

<p>Venera 13 (C)</p> Signup and view all the answers

What is the composition of Venus' clouds?

<p>Sulfuric acid (B)</p> Signup and view all the answers

What is Venus sometimes called due to its similar size and structure to Earth?

<p>Earth's twin (C)</p> Signup and view all the answers

What colors are Venus' clouds?

<p>Yellowish (A)</p> Signup and view all the answers

What is DAVINCI's mission?

<p>Study the origin, evolution, and present state of Venus (D)</p> Signup and view all the answers

What makes Venus the hottest planet in our solar system?

<p>It has a thick atmosphere full of greenhouse gases (C)</p> Signup and view all the answers

What does VERITAS do?

<p>Collect high resolution maps (D)</p> Signup and view all the answers

Flashcards

What is Venus?

Venus is the second planet from the Sun and Earth's closest planetary neighbor. It is a terrestrial planet, small and rocky.

Venus' Atmosphere

Venus has a thick atmosphere full of greenhouse gas carbon dioxide and yellowish clouds of sulfuric acid.

Venus' Surface Temperature

Venus is the hottest planet in our solar system with a surface temperature around 900 degrees Fahrenheit (475 degrees Celsius).

Air pressure on Venus

Venus has crushing air pressure at its surface, more than 90 times that of Earth.

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Venus' Name Origin

Venus is named after the Roman Goddess of Love and Beauty, Aphrodite, as it was the brightest planet in the sky in ancient times.

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Venus' Rotation

Venus spins in the opposite direction of Earth and most other planets, causing the Sun to rise in the west and set in the east.

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Venus' Brightness

Venus reflects approximately 70% of the sunlight that reaches it, making it the brightest planet in the night sky.

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Venus: Day vs. Year Length

A day on Venus is longer than its year. It takes about 243 Earth days to spin once, while it takes 225 Earth days to orbit the Sun.

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Akatsuki Mission

Akatsuki is a spacecraft currently in orbit around Venus, studying weather patterns, lightning, and volcanism.

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Mariner 2

Mariner 2 was the first spacecraft to visit any planet beyond Earth, flying by Venus on December 14, 1962.

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DAVINCI Mission

The DAVINCI mission is a planned probe landing on Venus in 2031, focusing on atmospheric descent and potential surface data.

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VERITAS and EnVision

The VERITAS mission, along with ESA's EnVision, aims to collect high-resolution global maps of Venus' surface from a low orbit.

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Study Notes

  • Venus is the second planet from the sun
  • Venus is Earth’s closest planetary neighbor.
  • Venus is a terrestrial planet, small and rocky in composition.
  • Venus is the hottest planet in our solar system, despite Mercury being closer to the sun.
  • Venus has a thick atmosphere filled with greenhouse gas carbon dioxide and yellowish clouds of sulfuric acid.
  • The atmosphere traps heat, creating surface temperatures around 900 degrees Fahrenheit (475 degrees Celsius).
  • The surface is rusty-colored, with intensely crunched mountains and thousands of volcanoes.
  • There is a possibility that some volcanoes are still active.
  • The air pressure on Venus is more than 90 times that of Earth.
  • This level of pressure is the equivalent of being a mile below the ocean on Earth.
  • Venus is named after Aphrodite, the Roman Goddess of Love and Beauty.
  • It was named after her due to it being the brightest planet that appeared in the sky in ancient times
  • Venus is sometimes called Earth’s twin because it's similar in size and structure.
  • Venus spins in the opposite direction of Earth and most other planets.
  • On Venus, the Sun rises in the west and sets in the east.
  • Venus reflects 70% of the sunlight that reaches it, making it the brightest planet in the night sky.
  • The rotation of Venus is very slow, making its day longer than its year.
  • It takes about 243 Earth days for Venus to spin around once.
  • It takes 225 Earth days for Venus to orbit the Sun.

Venus Exploration

  • More than 40 spacecraft have been launched for Venus.
  • Japan's Akatsuki is currently in orbit around Venus, studying weather patterns, lightning, and active volcanism.
  • NASA's Mariner 2 was the first spacecraft to visit any planet beyond Earth.
  • Exploring Venus's surface is difficult due to intense heat and crushing air pressure.
  • The longest a spacecraft has survived on Venus’s surface is a little over two hours.
  • Soviet Union's Venera 13 probe set this record in 1981.

Future Venus Missions

  • NASA's DAVINCI mission is planned for a probe landing in 2031.
  • DAVINCI will focus on atmospheric descent, attempting to send surface data.
  • NASA's VERITAS and ESA's EnVision will follow with orbital observations in the 2030s.
  • VERITAS aims to create high-resolution, global maps of Venus's surface from a low, circular orbit.

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