Atmosphere/Gravity
What is the most prominent gas on Venus?
Carbon Dioxide
How many days on Earth is one day on Venus?
117 days
How far is Venus from the sun?
0.7 Astronomical Units away or 105million Kilometers.
Who sent the first mission to Venus?
The Soviet Union
What is Venus known as to Earth?
Earth's Twin / Sister Planet
How many moons does Venus have?
Zero!
What makes Venus the hottest planet?
It's thick atmosphere.
What is Venus's orbital velocity?
35 km/s
What's the name of the first spacecraft to successfully land on Venus?
The Venera 7
What kind of weather systems do they both have?
Very complex weather systems.
How hot does Venus get?
Ranges anywhere from 800-900 degress.
What direction does Venus spin? (Clockwise or counter-clockwise)
Clockwise
Does any other planet rotate slower than Venus?
No! It is the slowest moving planet in our solar system.
How many probes total have been sent to Venus?
13 Probs
What is their size difference?
1.0x10^24kg
What was the smallest trace amount of gas found in Venus's atmosphere?
Neon.
What did the Babylonians call Venus?
"The Bright Queen of the sky"
What other planet rotates clockwise like Venus?
Uranus.
What was the date of the very first attempt at landing on Venus that failed?
(Hint: The spacecraft was called the Venera 3)
March.1.1966
What geological evolution do Earth and Venus have in common?
They both have volcanoes. Both active and inactive.
What is the Runaway Greenhouse effect?
The planet's greenhouse effect will become stronger until all its gasses have collected into its atmosphere.
What makes Venus the Brightest planet?
It is blanketed by reflective clouds, which causes light to reflect and bounce off the clouds.
Which one takes longer? Its revolution or rotation period?
It's rotation Period (243 days). Revolution was only 224.7.
What did these probe missions analyze on Venus? (List at least two of the four things)
Temperature, Density, Pressure, and Chemical experiments to look at the atmosphere.
What is one difference between Venus and Earth?
Their color, The directions they spin, Earth is habitable and Venus is not, etc.