Search results for terminal velocity

Space Exploration Nov 9, 2015

Scientists explain why moon rocks contain fewer volatiles than Earth's

Scientists at Southwest Research Institute combined dynamical, thermal, and chemical models of the Moon's formation to explain the relative lack of volatile elements in lunar rocks. Lunar rocks closely resemble Earth rocks ...

Earth Sciences Oct 28, 2015

Land-facing, southwest Greenland Ice Sheet movement decreasing

In the face of decades of increasing temperatures and surface melting, the movement of the southwest portion of the Greenland Ice Sheet that terminates on land has been slowing down, according to a new study being published ...

Space Exploration Oct 23, 2015

NASA takes Lasercom a step forward

A NASA-developed laser communication (lasercom) system made headlines in 2013 when it demonstrated record-breaking data download and upload speeds to the moon. Now, a NASA optical physicist says he can match those speeds—plus ...

Plants & Animals Sep 3, 2015

Team improves understanding of Guam plant's pollination syndrome

The University of Guam has continued to expand the foundation of knowledge on the reproductive biology of native tree species with a new publication in the July issue of the national science journal HortScience.

Space Exploration Aug 4, 2015

Small prototype Earth return capsule flight tested

A prototype capsule that one day will return science experiments to Earth was tested by releasing it from a high-altitude balloon in Tillamook, Oregon. Technology like this capsule could one day return biological samples ...

Astronomy Jun 9, 2015

Researchers characterize mysterious ultraluminous X-ray sources

(Phys.org)—Many black holes are believed to have surrounding accretion disks of matter trapped by gravity and spiraling toward the event horizon. Supercritical accretion disks (SCADs) are those with mass accretion rates ...

Other Feb 23, 2015

Best of Last Week – Observing Higgs analogue in superconductors, mysterious Mars cloud and cancer risk found in soda

It was a good week for physics as a combined team of researchers from Germany and Israel were the first to observe a Higgs boson analogue in superconductors—the theory was first put forth a half century ago and the group ...

General Physics Feb 16, 2015

Falling faster—researchers confirm super-terminal raindrops

Five years ago, a research team at Michigan Technological University and Universidad Nacional Autanoma de Mexico (National University of Mexico) detected tiny, super-fast raindrops. The finding was unexpected—small drops ...

Engineering Feb 3, 2015

High-speed images capture patterns by which raindrops spread pathogens among plants

Farmers have long noted a correlation between rainstorms and disease outbreaks among plants. Fungal parasites known as "rust" can grow particularly rampant following rain events, eating away at the leaves of wheat and potentially ...

Space Exploration Nov 12, 2014

Venturing into the upper atmosphere of Venus

As the end of its eight-year adventure at Venus edges ever closer, ESA scientists have been taking a calculated risk with the Venus Express spacecraft in order to carry out unique observations of the planet's rarefied outer ...

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