Questions about how and when stars are formed continue to tug at human curiosity. Star formation is governed by gravity and heat. Gravity causes molecular clouds to collapse and eventually form stars and planetary systems, ...
Astronomy
Oct 11, 2017
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13
When a fluid or a gas experiences a sudden disturbance, such as a change in pressure or elevation, it often gives rise to a phenomenon known as an undular bore, which consists of a series of rapid oscillations that propagate ...
Mathematics
Sep 20, 2017
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64
FADO is a new analysis tool developed by Instituto de Astrofísica e Ciências do Espaço (IA) astronomers Jean Michel Gomes and Polychronis Papaderos, which uses light emitted by both stars and ionized gas in a galaxy to ...
Astronomy
May 17, 2017
2
32
Edward Calabrese, the University of Massachusetts Amherst environmental toxicologist who has long been a critic of the current linear no-threshold (LNT) approach to risk assessment for radiation and toxic chemicals, argues ...
Environment
Jan 23, 2017
3
16
Two papers published by an assistant professor at the University of California, Riverside and several collaborators explain why the universe has enough energy to become transparent.
Astronomy
Sep 12, 2016
17
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This NASA/ESA Hubble Space Telescope image captures the remnants of a long-dead star. These rippling wisps of ionized gas, named DEM L316A, are located some 160,000 light-years away within one of the Milky Way's closest galactic ...
Astronomy
Aug 1, 2016
0
20
Using tunneling ionization and ultrashort laser pulses, scientists have observed the changes that take place in the structure of a molecule within billionths of a billionth of a second when excited by an electron impact.
General Physics
Jun 9, 2016
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20
Tunnelling ionization studies by researchers in Japan and Russia show changes in electron distributions between ground- and excited-state in laser tunnelling ionization of molecules.
General Physics
May 10, 2016
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22
It was 30 years ago that a meltdown at the V. I. Lenin Nuclear Power Station in the former Soviet Union released radioactive contaminants into the surroundings in northern Ukraine. Airborne contamination from what is now ...
Environment
Apr 26, 2016
0
10
An international team led by a researcher from Hiroshima University has succeeded in revealing the detailed structure of a massive ionized gas outflow streaming from the starburst galaxy NGC 6240 (Figure 1). The team used ...
Astronomy
Feb 4, 2016
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