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NASA's Great Observatory View of the Crab Nebula
Sig06 028

Credit: X-Ray: NASA/CXC/J.Hester (ASU); Optical: NASA/ESA/J.Hester & A.Loll (ASU); Infrared: NASA/JPL-Caltech/R.Gehrz (Univ. Minn.)

Observation • October 25th, 2006 • sig06-028

sig06-028

According to the folklore of the Celts and other ancient cultures, Halloween marked the midpoint between the autumnal equinox and the winter solstice on the astronomical calendar, a spooky night when spirits of the dead spread havoc upon their return to Earth.

Nowadays, Halloween is primarily a time for children to dress in costume and demand treats, but the original spirit of Halloween lives on in the sky in the guise of the Crab Nebula.

A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D. Now, almost a thousand years later, a superdense neutron star left behind by the stellar death is spewing out a blizzard of extremely high-energy particles into the expanding debris field known as the Crab Nebula.

This composite image uses data from three of NASA's Great Observatories. The Chandra X-ray image is shown in light blue, the Hubble Space Telescope optical images are in green and dark blue, and the Spitzer Space Telescope's infrared image is in red. The size of the X-ray image is smaller than the others because ultrahigh-energy X-ray emitting electrons radiate away their energy more quickly than the lower-energy electrons emitting optical and infrared light. The neutron star, which has the mass equivalent to the sun crammed into a rapidly spinning ball of neutrons twelve miles across, is the bright white dot in the center of the image.

About the Object

Name
Crab NebulaMessier 1M1NGC 1952
Type
Nebula > Type > Supernova Remnant
Distance
6,300 Light Years

Color Mapping

Band Wavelength Telescope
X-ray 1.5 keV Chandra ACIS
Optical 500 nm Hubble WFPC2
Optical 656 nm Hubble WFPC2
Infrared 24.0 ┬Ám Spitzer MIPS

Astrometrics

Position (J2000)
RA =5h 34m 31.9s
Dec = 22° 1' 1.9"
Field of View
8.1 x 7.4 arcminutes
Orientation
North is 0.2° left of vertical