An analysis of data from Magellan’s radar finds two volcanoes erupted in the early 1990s. This adds to the 2023 discovery of a different active volcano in
This computer-generated 3D model of Venus ’ surface shows the volcano Sif Mons, which is exhibiting signs of ongoing activity. Using data from NASA’s Magellan mission, Italian researchers detected evidence of an eruption while the spacecraft orbited the planet in the early 1990s. Magellan data.
“Using these maps as a guide, our results show that Venus may be far more volcanically active than previously thought,” said Davide Sulcanese of d’Annunzio University in Pescara, Italy, who led the study. “By analyzing the lava flows we observed in two locations on the planet, we have discovered that the volcanic activity on Venus could be comparable to that on Earth.”that revealed changes to a vent associated with the volcano Maat Mons near Venus’ equator.
Before starting its journey to Venus, NASA’s Magellan spacecraft was released while in Earth orbit by Space Shuttle Atlantis’ STS-30 mission. Captured in this May 4, 1989, photo, Magellan was the first planetary spacecraft to be launched from the shuttle.For the new study, published in the journal Nature Astronomy, the researchers likewise focused on archival data from Magellan’s synthetic aperture radar.
“We interpret these signals as flows along slopes or volcanic plains that can deviate around obstacles such as shield volcanoes like a fluid,” said study co-author Marco Mastrogiuseppe of Sapienza University of Rome. “After ruling out other possibilities, we confirmed our best interpretation is that these are new lava flows.”
Magellan Planetary Geosciences & Geophysics Planetary Science Planetary Science Division Venus VERITAS (Venus Emissivity Radio Science Insar Topography & Spectroscopy) Volcanoes
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