Scientists solve speed surprise in stratospheric stunt
Scientists say they've figured out why an Austrian who became the first skydiver to break the speed of sound fell faster than the drag of his body should have allowed.
Scientists say they've figured out why an Austrian who became the first skydiver to break the speed of sound fell faster than the drag of his body should have allowed.
General Physics
Dec 14, 2017
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Volcanic eruptions emit sulfate aerosols via volcanic plumes, which may stay in the stratosphere for months to years, reflecting sunlight back into space, cooling the Earth's lower atmosphere or troposphere over a long time ...
Earth Sciences
Nov 21, 2017
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New NASA research is helping to refine our understanding of candidate planets beyond our solar system that might support life.
Astronomy
Oct 20, 2017
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This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the ...
Environment
Sep 12, 2017
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New measurements of molecular iodine in the Arctic show that even a tiny amount of the element can deplete ozone in the lower atmosphere.
Environment
Sep 7, 2017
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A new study shows microphones suspended from helium balloons in the stratosphere can detect low-frequency sounds from ocean waves. The new method shows promise for detecting acoustic signals from natural disasters and nuclear ...
Earth Sciences
Sep 1, 2017
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When commercial airplanes break through the clouds to reach cruising altitude, they have typically arrived in the stratosphere, the second layer of Earth's atmosphere. The air up there is dry and clear, and much calmer than ...
Earth Sciences
Aug 29, 2017
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Scientists have found the strongest evidence to date for a stratosphere on an enormous planet outside our solar system, with an atmosphere hot enough to boil iron.
Astronomy
Aug 2, 2017
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This false-color view from NASA's Cassini spacecraft gazes toward the rings beyond Saturn's sunlit horizon. Along the limb (the planet's edge) at left can be seen a thin, detached haze. This haze vanishes toward the right ...
Space Exploration
Jul 28, 2017
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Recent increases in an unregulated ozone-depleting substance, could delay recovery of Antarctic ozone levels by 5-30 years, depending on emissions scenarios.
Environment
Jun 27, 2017
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