Why did Earth’s climate rapidly cool 12,800 years ago? New evidence suggests that a comet or asteroid collision is to blame, with support coming from the bottom of a South Carolina lake. Source: https://earthsky.org/earth/asteroid-comet-younger-dryas-abrupt-cooling…
Tag: winter
How the 2018 Olympic Cyberattack Was Traced To Russian Hackers
Sparrowvsrevolution writes: In a lengthy article, Wired tells a newly detailed narrative of the cyberattack on the 2018 Winter Olympic games, which hit the Olympics network during the opening ceremony. The piece details how the malware used in that attack was designed to incorporate multiple sophisticated false flags, and how forensic analysts overcame those red herrings to eventually trace the attack…
NOAA’s US winter weather outlook
NOAA has issued its winter 2019-2020 outlook for temperature, precipitation and drought for the US, including Alaska and Hawaii. Source: https://earthsky.org/earth/2019-2020-winter-weather-outlook-video…
Humpback whale population on the rise
After a near-miss with extinction, a population of humpback whales in the South Atlantic has rebounded. Source: https://earthsky.org/earth/humpback-whale-population-on-the-rise…
2019 ozone hole smallest since its discovery
Thanks to abnormal weather patterns in the upper atmosphere over Antarctica, this year’s ozone hole is the smallest since the ozone hole was 1st observed in 1982. Source: https://earthsky.org/earth/2019-ozone-hole-smallest-since-its-discovery-video…
New cracks in Pine Island Glacier are getting longer
The new rifts appeared soon after last year’s major calving of iceberg B46, which is about 3 times the size of New York’s Manhattan island. Satellite monitoring suggests a new iceberg of similar proportions will soon be calved. Source: https://earthsky.org/earth/new-cracks-pine-island-glacier-2019…
Orionid meteors late night until dawn
A bright moon interferes for much of the night for 2018’s Orionid meteor shower. Watch shortly before dawn, after moonset. Try watching on the mornings of October 20, 21 and 22. A dark sky is always best. Have fun! Source: https://earthsky.org/tonight/radiant-point-for-orionid-meteor-shower…
Found Cassiopeia? Now look for Perseus
Perseus follows Cassiopeia across the night sky. It’s fainter, but has a graceful shape and some of the sky’s most interesting stars and star clusters. Source: https://earthsky.org/constellations/cassiopeia-and-perseus-in-northeast-on-october-evenings…