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"Venus has long been referred to as Earth’s sister planet not only because its size and distance from the sun are similar to those of the Earth, but also because its formation is considered to like that of the Earth at the birth of the solar system."
"However, Venus is actually very different from the Earth. It is veiled in high-temperature carbon dioxide and thick sulfuric-acid clouds. Moreover, above the surface of Venus, violent winds reach over 400 kilometers per hour. Venus’ whole atmosphere is rotating much faster than the surface below at the altitude of the cloud top (70 km), a unique situation called superrotation. Its mechanisms are still largely unclear."
"Clarification of the causes for such an environment will provide us with clues to understand the Earth better, especially to help understand climate change on Earth. Therefore, Venus is a very important subject for exploration in order to learn about the Earth’s environment."
Akatsuki (あかつき, 暁, "Dawn"), also known as the Venus Climate Orbiter (VCO), is a Japanese (JAXA) spacecraft tasked to study the atmosphere of Venus. By using five different cameras, working at several wavelengths, Akatsuki is studying the stratification of the atmosphere, atmospheric dynamics, and cloud physics. It was launched aboard an H-IIA 202 rocket on May 20, 2010.
Image Credits: Japan Aerospace Exploration Agency (JAXA)/ISAS/DARTS
Image Processing: Kevin M. Gill
Processed using UV (365nm, 283nm) filtered images of Venus taken by Akatsuki's UVI
Image Date: Dec. 2, 2022
Release Date: March 7, 2024
#NASA #JAXA #Space #Astronomy #Science #Planet #Venus #Atmosphere #Meteorology #Weather #Clouds #Ultraviolet #VenusClimateOrbiter #VCO #Akatsuki #あかつき #PlanetC #Spacecraft #Japan #日本 #SolarSystem #SpaceExploration #宇宙航空研究開発機構 #KevinGill #CitizenScience #STEM #Education
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