August 17, 1969 - Cat-5 Camille Carves Up the Coast
Nathan Howes
lundi, 17 août 2020 à 06:30 - On Aug. 17, 1969, Camille made landfall in the United States as a Category 5 hurricane, one of only four storms of that power to strike the U.S. mainland.
Hurricane Camille was the second-most intense hurricane to hit the U.S. and remains one of only four Category 5 hurricanes to strike the U.S. mainland. The combination of winds, surges and rainfalls from the storm resulted in at least 259 deaths and caused nearly $1.4 billion in damages at the time, equivalent to $9.9 billion current day.
Late Saturday night, on Aug. 16, 1969, Hurricane Camille roared past the mouth of the Mississippi River as it sped toward an all-out assault on the Mississippi Gulf Coast.
Astronomers may have found hints of life in clouds of Venus
lundi, 14 septembre 2020 à 11:40 - Astronomers have detected a chemical signature in the atmosphere of Venus that may be associated with life.
While the signature isn t robust enough to definitively declare that there s life on our nearest planetary neighbour, in a new paper published today in the journal Nature Astronomy, the international team says they have ruled out any other known sources that could have produced the chemical compound, phosphine. The reason we re so excited about this finding in this paper is that we found phosphine gas, which doesn t belong in the Venus atmosphere, said Canadian co-author Sara Seager, professor of planetary science and physics at the Massachusetts Institute of Technology (MIT).
On Snowball Mars , immense glaciers may have sheltered ancient microbial life
Scott Sutherland
mercredi, 5 août 2020 à 14:20 - An island in Canada s far north has helped scientists paint a very different picture of ancient Mars
What was Mars like billions of years ago? Was it truly a blue and green world, similar to Earth? Or was it something else? In a new study, Canadian researchers suggest the Red Planet may have been a Snowball Planet, with thick ice sheets covering the surface.
Over decades of Mars exploration, evidence sent back by robotic missions has presented a strong case that the planet was once a much warmer and wetter place, long ago. According to scientists, surface water on Mars would have even been suitable to drink, if we had been there at the time to sample it. It would undoubtedly have supported microbial life as we know it, as well. This has led to the idea that Mars was very Earth-like, with rainfall, and flowing rivers carving out the valleys and channel