Oldest objects in solar system indicate a turbulent beginning

LIVERMORE, Calif. — Scientists have found that calcium, aluminum-rich inclusions (CAIs), some of the oldest objects in the solar system, formed far away from our sun and then later fell back into the mid-plane of the solar system.
The findings m…

Sugarcane bioethanol: Environmental implications

Researchers have long promoted biofuels produced from crop biomass as an environmentally sustainable source of renewable energy. A recent study questions whether the potential climate benefit of sugarcane ethanol is diminished when emissions from la…

Measuring methane

MADISON, WI, MARCH 1, 2011 — Methane is an extremely potent greenhouse gas. Wetlands, gas hydrates, permafrost, termites, oceans, freshwater bodies, non-wetland soils, are all natural sources of atmospheric methane; however, the majority of methan…

Surprise hidden in Titan’s smog: Cirrus-like clouds

Every day is a bad-air day on Saturn’s largest moon, Titan. Blanketed by haze far worse than any smog belched out in Los Angeles, Beijing or even Sherlock Holmes’s London, the moon looks like a dirty orange ball. Described once as crude oil wi…

The Orion nebula: Still full of surprises

The Orion Nebula, also known as Messier 42, is one of the most easily recognisable and best-studied celestial objects. It is a huge complex of gas and dust where massive stars are forming and is the closest such region to the Earth. The glowin…

Possible missing link between young and old galaxies

University of California, Berkeley, astronomers may have found the missing link between gas-filled, star-forming galaxies and older, gas-depleted galaxies typically characterized as “red and dead.”
In a poster to be presented this week at t…

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