(Breaking story from Fermilab)
At a mountain top in Chile, the world’s most powerful sky-mapping sensor has captured ancient light in its hunt for dark energy. The Dark Energy Camera has a resolution of 570 megapixels, around 35 times the number of pixels a decent digital camera records.
Partial results from the Dark Energy Camera’s 570 megapixels of dark energy hunting goodness (image source: Fermilab)
The phone booth sized device took eight years of planning and construction to be realised, and hopes to assist scientists in understanding what dark energy may be. According to Brenna Flaugher, Fermilab scientist and project manager, this is important because
“The Dark Energy Survey will help us understand why the expansion of the universe is accelerating, rather than slowing due to gravity”
The Dark Energy Camera is made up of 62 CCD sensors (image source: Fermilab)
The Dark Energy Camera is capable of seeing light from 100,000 galaxies some 8 billion plus light years away. This is considerably ancient light. The massive sensor set is paired with a 4 metre diameter light-gathering mirror at the Blanco telescope, which is located at the Cerro-Tololo Inter-American Observatory.
Spiral galaxy NGC 1365 from the Fornax cluster of galaxies, some 60 million light years from Earth (image source: Fermilab)
The Dark Energy Camera is a part of the Dark Energy Survey that hopes to probe dark energy though studying galaxy clusters, supernovae and weak gravitational lensing.
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