A prototype telescope designed and built by Lawrence Livermore National Laboratory (LLNL) researchers has been launched from Cape Canaveral, Florida to the International Space Station (ISS).
Astronomy
Mar 16, 2023
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45
The ozone layer is on track to heal within four decades, according to a recent UN report, but this progress could be undone by an upsurge in rocket launches expected during the same period.
Environment
Feb 3, 2023
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34
Can we build an enormous umbrella to dim the sun? Such a feat would be a megaproject on a scale like no other. It would take at least 400 dedicated rocket launches a year, for ten years (There have been 172 rocket launches ...
Planetary Sciences
Dec 12, 2022
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12
Europe's searing heatwave is generating very high levels of harmful ozone pollution, the region's atmospheric monitoring service warned Tuesday, adding that large areas of western Europe also face "extreme" danger of wildfires.
Environment
Jul 19, 2022
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19
Most studies on stratosphere and troposphere exchange (STE) are carried out using model simulations. A new study conducted by Chinese researchers directly revealed the phenomenon through in-situ-measured high-precision profiles. ...
Environment
May 25, 2020
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6
Ozone levels above the Arctic reached a record low for March, NASA researchers report. An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson units.
Environment
Apr 16, 2020
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23
Starting in 536 A.D., the sky went dark for more than a year. In some parts of Europe and Asia, the sun only shone for about four hours a day, and "accounts say the sun gave no more light than the moon," says Dallas Abbott, ...
Earth Sciences
Dec 18, 2019
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22
Cloud watchers have recently been given record-breaking glimpses of the rarest clouds in the skies. Stunning rippled blue clouds have been forming in the highest reaches of the atmosphere over Europe and the U.S.. These clouds ...
Earth Sciences
Jul 3, 2019
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0
This week brought news that atmospheric carbon dioxide (CO₂) levels at the Mauna Loa atmospheric observatory in Hawaii have risen steeply for the seventh year in a row, reaching a May 2019 average of 414.7 parts per million ...
Environment
Jun 7, 2019
1
22
Army researchers have designed a computer model that more effectively calculates the behavior of atmospheric turbulence in complex environments, including cities, forests, deserts and mountainous regions.
General Physics
Aug 7, 2018
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