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This discovery was the initiation of TeV astronomy , which, with its rapid growth, has led to the detection of about gamma-ray sources from other ground-based detectors like H. The interaction produces cascades of subatomic particles — these highly energetic particles can travel faster than the speed of light, which causes a faint and extremely short of the order of a billionth of a second! The observations of the Crab Nebula were carried out between December and January , during the ASTRI-Horn telescope verification phase, for a total observation time of about 29 hours, divided in on- and off-axis source exposure.

The camera system was still undergoing assessment, and its functionality was not fully exploited. Moreover, owing to recent eruptions of the Etna Volcano, the mirror reflection efficiency was partially reduced. Toggle navigation. Fast Facts Crab Nebula. What are Fast Facts?

How to use in the classroom. Related materials. Location Found in the constellation Taurus Distance from Earth 6, light-years 6, light-years Size The nebula's width, in the image below, is 8 light-years. Enlarge Image. Use this resource as: A source of information. Read the table to find out about this object. Its membership of about 7, individuals also includes physicists, mathematicians, geologists, engineers, and others whose research and educational interests lie within the broad spectrum of subjects comprising contemporary astronomy. The mission of the AAS is to enhance and share humanity's scientific understanding of the universe.

The Institute of Physics IOP is a leading scientific society promoting physics and bringing physicists together for the benefit of all.

It has a worldwide membership of around 50 comprising physicists from all sectors, as well as those with an interest in physics. It works to advance physics research, application and education; and engages with policy makers and the public to develop awareness and understanding of physics. Its publishing company, IOP Publishing, is a world leader in professional scientific communications.

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Bietenholz 1 , N. Kassim 2 , D.

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Frail 3 , R. Perley 3 , W.

M1 - Crab Nebula - Deep Sky Videos

Erickson 4 , and A. Hajian 5. The American Astronomical Society.

The Crab Nebula in Taurus | ESO

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The Astrophysical Journal , Volume , Number 1. What is article data? Get permission to re-use this article. Received February 4 Accepted July 1. Create citation alert.

Highest-Energy Photons Ever Recorded Blasted to Earth from the Crab Nebula

Journal RSS feed. Select your desired journals and corridors below. You will need to select a minimum of one corridor. We present the results of a new, comprehensive investigation of the radio spectral index of the Crab Nebula supernova remnant. New data at 74 MHz are combined with data at MHz, 1. In contrast to previous claims, little spatial variation in the spectral index is seen.