8th Jul 2013
Super-freezer supernova 1987A is a dust factory

Surprisingly low temperatures detected in the remnant of the supernova 1987A may explain the mystery of why space is so abundant with dust grains and molecules.
In 1987, an explosion of a massive star was detected in our neighbouring galaxy, the Large Magellanic Cloud, just 170,000 light years away. This supernova, dubbed 1987A, released approximately thousand million times more energy than that emitted by the Sun in one year.  Twenty five years later, an international team of astronomers has used the Herschel Space Observatory and Atacama Millimeter and Submillimeter Array (ALMA) to study the supernova remnant.  They found a vast reservoir of unexpectedly cold molecules and dust.
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Super-freezer supernova 1987A is a dust factory

Surprisingly low temperatures detected in the remnant of the supernova 1987A may explain the mystery of why space is so abundant with dust grains and molecules.

In 1987, an explosion of a massive star was detected in our neighbouring galaxy, the Large Magellanic Cloud, just 170,000 light years away. This supernova, dubbed 1987A, released approximately thousand million times more energy than that emitted by the Sun in one year. Twenty five years later, an international team of astronomers has used the Herschel Space Observatory and Atacama Millimeter and Submillimeter Array (ALMA) to study the supernova remnant. They found a vast reservoir of unexpectedly cold molecules and dust.

Read More.

Source: ras.org.uk
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