A European satellite built to carry out precise measurements of sea level changes has arrived in California in preparation for launch. The Sentinel-6 Michael Freilich satellite forms part of the European Union’s Copernicus Earth Observation programme and will employ radar to map sea surface topography. Source: https://phys.org/news/2020-09-video-copernicus-sentinel-michael-freilich.html…
Tag: the sentinel
Satellite data helps climbers ascend Mt. Everest
Data from ESA’s Copernicus Sentinel-2 satellite help climbers negotiate a treacherous glacier on the route to Mt. Everest’s summit. Source: https://earthsky.org/earth/mt-everest-climbers-use-satellite-data-khumbu-icefall-copernicus-sentinel-2…
The Story of The Doctor Who Ordered America’s First Covid-19 Lockdown
Long-time Slashdot reader bsharma shared the story of doctor/public health officer who “went first,” ordering America’s very first coronavirus lockdown in six counties on March 16th after the identification of only the 7th known case of Covid-19 in the United States. The Bay Area Newsgroup reports that on January 31st, Cody’s cellphone rang at 6:49 a.m. “You’ve got your first positive,”…
Is Earth on fire?
The European Space Agency was asking this question late last week, as multiple fires burned across the globe. Read more about 2019 fires, and fire-tracking via satellite, here. Source: https://earthsky.org/earth/wildfires-summer-2019-esa-world-fire-atlas…
Astronomer probes idea of ET ‘lurkers’
What would an extraterrestrial intelligence need to observe Earth, long-term, from nearby? Materials, a firm anchor, concealment? Earth’s co-orbital objects, or quasi-satellites, might be the ideal place to “lurk.” Source: https://earthsky.org/space/alien-lurker-probes-co-orbital-asteroids-earth…