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The unexpectedly high levels detected on Venus could point to a floating microbial biosphere, the researchers suggested in a paper published in Nature Astronomy. But almost immediately, other astronomers began to criticize the results, with four independent studies pointing out questionable methods or failing to reproduce the results.
Oct 28, 2023 · Published Oct. 28, 2023 11:17 a.m. PDT. It's possible that once —billions of years ago— Venus had life on it. The rocky planet is a "scorching wasteland" according to scientists, but long ago ...
- Conditions For Life
- The Davinci+ Probe
- Veritas
- Key Insight Into Conditions on Venus
Ever since the Hubble Space Telescope revealed the sheer number of nearby galaxies, astronomers have become obsessed with searching for exoplanets in other star systems, particularly ones that appear habitable. But there are certain criteria for a planet to be considered habitable. It must have a suitable temperature, atmospheric pressure similar t...
NASA's DAVINCI+ (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) mission has several science goals, relating to: Atmospheric origin and evolution It will aim to understand the atmospheric origins on Venus, focusing on how it first formed, how it evolved and how (and why) it is different from the atmospheres of Earth and ...
Meanwhile, the VERITAS(Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) mission will map surface features to determine the planet's geologic history and further understand why it developed so differently to Earth. Historical geology provides important information about ancient changes in climate, volcanic eruptions and earthqua...
The most exciting thing about these two missions is the orbit-to-surface probe. In the 1980s, four landers made it to the surface of Venus, but could only operate for two days due to crushing pressure. The pressure there is 93 bar, which is the same as being 900 m below sea level on Earth. Then there's the lava. Many lava flows on Venus stretch for...
Feb 11, 2024 · News outlets boasted headlines about the possibility of life on Venus, gently noting the possibility of unknown chemistry. But then in July 2021 came a shock. In the same journal, a different group of researchers responded with their own paper, brutally blunt in its title: “No evidence of phosphine in the atmosphere of Venus from independent analyses.”
Mar 28, 2024 · Alien life could thrive in Venus' acidic clouds, new study hints. Earth life may have traveled to Venus aboard sky-skimming asteroid. "It doesn't mean that life there will be the same as here. In ...
Perhaps there could be life on Venus. Experiments show the possibility for biochemistry based on a concentrated sulphuric acid solvent. Perhaps there could be life on ...
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The debate did ignite a keen scientific interest in re-examining our presuppositions about Venus's habitability, or lack thereof. The surface itself is unlikely to be habitable to life as we know it: Temperatures on the Venusian ground average around 464 degrees Celsius (867 Fahrenheit). Life's chemistry requires a solvent (here on Earth, that ...
