How the ‘pillars of creation’ were actually vapourised 6,000 years ago

Pillars of Creation 1The mystery behind one of the most famous astronomical images ever seen may finally have been cracked.

The famous three Pillars of Creation was first photographed by NASA’s Hubble Space Telescope in 1995 in the Eagle Nebula.

However, until now experts have been unsure how it formed.

They now believe it was caused by a nearby supernova explosion about 6,000 years ago, but the light showing the new shape of the nebula will not reach Earth for another thousand years.

A striking new image from the Spitzer space telescope shows the intact dust towers next to a giant cloud of hot dust thought to have been scorched by the blast of a star that exploded, or went supernova.

Astronomers believe that the supernova’s shock wave could have already reached the dusty towers, causing them to topple about 6,000 years ago.

However, because light from this region takes 7,000 years to reach Earth, we won’t be able to see the destruction for 1,000 years.

‘I remember seeing a photograph of these pillars more than a decade ago and being inspired to become an astronomer,’ said Nicolas Flagey of The Institut d’Astrophysique Spatiale in France.

Pillars of Creation 2‘Now, we have discovered something new about this region we thought we understood so well.’

Astronomers have long predicted that a supernova blast wave would mean the end for the popular pillars.

The region is littered with 20 or so stars ripe for exploding, so it was only a matter of time, they believed, before one would blow up.

Spitzer is a space telescope that detects infrared, longer-wavelength light that our eyes cannot see.

This allows the observatory to both see the dust and see through it, depending on which infrared wavelength is being observed.

In Spitzer’s new look at the Eagle nebula, the three pillars appear small and ghostly transparent.

In the largest of the three columns, an embedded star is seen forming inside the tip.

Pillars of Creation 3Above the pillars is the enormous cloud of hot dust, colored red in the picture, which astronomers think was seared by the blast wave of a supernova explosion.

‘Something else besides starlight is heating this dust,’ said Dr. Alberto Noriega-Crespo, Flagey’s advisor at the Spitzer Science Center.

‘With Spitzer, we now have the missing long-wavelength infrared data that are giving us an answer.’

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