Who Discovered That Venus Was Noxious & Hot?

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Venus is noxious and hot, which is one of the reasons why we can't visit it. Find out who discovered that Venus was noxious and hot with help from an experienced educator in this free video clip.

Part of the Video Series: Astronomy & the Solar System
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Video Transcript

Hi, my name is Eylene Pirez, and I'm an astrophysicist and this is who discovered that Venus was noxious and hot. So there has been several talks throughout history about visiting Venus since it's the closest planet to the sun to Earth, I'm sorry. In a lot of countries including NASA has really refused to visit Venus because we know that the Venus atmosphere was very unfriendly. Now there was a couple of attempts to visit Venus and the first one was Mariner 1. Now Mariner 1 was a catastrophic mission and it failed due to a coding problem. There was a hyphen character that was wrong in the simulation and caused the entire mission to fail. So they kind of did the exact same model and they did Mariner 2 this time. So Mariner 2 was the spacecraft to actually see Venus and it took three scans of Venus' atmosphere. So they did three scans around Venus and what they saw is that the temperature can fluctuate from 490 degrees Kelvin to 600 degree Kelvin and they also had visual evidence of how thick the atmosphere was and they really pushed the envelope for the properties of the atmosphere of Venus. My name is Eylene Pirez and I'm an astrophysicist and this is who discovered that Venus was noxious and hot.


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