http://chandra.harvard.edu/blog/big_picture.html en-us http://chandra.harvard.edu/blog/big_picture.html#4c2930 http://chandra.harvard.edu/photo/2013/4c2930/ Wed, 15 May 2013 12:00:00 EST This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. http://chandra.harvard.edu/blog/big_picture.html#ngc6240 http://chandra.harvard.edu/photo/2013/ngc6240/ Tue, 30 Apr 2013 12:00:00 EST Two large galaxies are colliding and scientists have used Chandra to make a detailed study of an enormous cloud of hot gas that surrounds them. http://chandra.harvard.edu/blog/big_picture.html#sn1006 http://chandra.harvard.edu/photo/2013/sn1006/ Wed, 17 Apr 2013 12:00:00 EST A supernova remnant whose progenitor explosion was seen from Earth over a thousand years ago. http://chandra.harvard.edu/blog/big_picture.html#ngc602 http://chandra.harvard.edu/photo/2013/ngc602/ Wed, 03 Apr 2013 12:00:00 EST The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. Even though it is a small, or so-called dwarf galaxy, the SMC is so bright that it is visible to the unaided eye from the Southern Hemisphere and near the equator. http://chandra.harvard.edu/blog/big_picture.html#kepler http://chandra.harvard.edu/photo/2013/kepler/ Mon, 18 Mar 2013 12:00:00 EST A new study using data from NASA's Chandra X-ray Observatory points to the origin of a famous supernova. This supernova belongs to an important class of objects that are used to measure the rate of expansion of the Universe. http://chandra.harvard.edu/blog/big_picture.html#g306 http://chandra.harvard.edu/photo/2013/g306/ Fri, 15 Mar 2013 12:00:00 EST A supernova remnant in the Milky Way at a distance of about 26,000 light years away from Earth. http://chandra.harvard.edu/blog/big_picture.html#47tuc http://chandra.harvard.edu/photo/2013/47tuc/ Wed, 06 Mar 2013 12:00:00 EST Neutron stars, the ultra-dense cores left behind after massive stars collapse, contain the densest matter known in the Universe outside of a black hole. http://chandra.harvard.edu/blog/big_picture.html#w49b http://chandra.harvard.edu/photo/2013/w49b/ Wed, 13 Feb 2013 12:00:00 EST New data from NASA's Chandra X-ray Observatory suggest a highly distorted supernova remnant may contain the most recent black hole formed in the Milky Way galaxy. The remnant appears to be the product of a rare explosion in which matter is ejected at high speeds along the poles of a rotating star. http://chandra.harvard.edu/blog/big_picture.html#deml50 http://chandra.harvard.edu/photo/2013/deml50/ Mon, 28 Jan 2013 12:00:00 EST A superbubble located in the Large Magellanic Cloud about 160,000 light years from Earth. Superbubbles are found in regions where massive stars have formed in the last few million years. http://chandra.harvard.edu/blog/big_picture.html#vela http://chandra.harvard.edu/photo/2013/vela/ Mon, 07 Jan 2013 12:00:00 EST A new Chandra movie of the Vela pulsar shows it may be "precessing," or wobbling as it spins. http://chandra.harvard.edu/blog/big_picture.html#pks0745 http://chandra.harvard.edu/photo/2012/pks0745/ Tue, 18 Dec 2012 12:00:00 EST Some of the biggest black holes in the Universe may actually be even bigger than previously thought, according to a study using data from NASA's Chandra X-ray Observatory. http://chandra.harvard.edu/blog/big_picture.html#ngc3627 http://chandra.harvard.edu/photo/2012/ngc3627/ Thu, 13 Dec 2012 12:00:00 EST This composite image shows the spiral galaxy NGC 3627, located about 30 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#ngc922 http://chandra.harvard.edu/photo/2012/ngc922/ Thu, 06 Dec 2012 12:00:00 EST NGC 922 was formed by the collision between two galaxies - one seen in this image and another located outside the field of view. http://chandra.harvard.edu/blog/big_picture.html#a30 http://chandra.harvard.edu/photo/2012/a30/ Thu, 15 Nov 2012 12:00:00 EST These images of the planetary nebula Abell 30, (a.k.a. A30), show one of the clearest views ever obtained of a special phase of evolution for these objects. http://chandra.harvard.edu/blog/big_picture.html#cygob2 http://chandra.harvard.edu/photo/2012/cygob2/ Wed, 07 Nov 2012 12:00:00 EST The Milky Way and other galaxies in the universe harbor many young star clusters and associations that each contain hundreds to thousands of hot, massive, young stars known as O and B stars. http://chandra.harvard.edu/blog/big_picture.html#pne http://chandra.harvard.edu/photo/2012/pne/ Wed, 10 Oct 2012 12:00:00 EST This gallery shows four planetary nebulas from the first systematic survey of such objects in the solar neighborhood made with NASA's Chandra X-ray Observatory. http://chandra.harvard.edu/blog/big_picture.html#kepler http://chandra.harvard.edu/photo/2012/kepler/ Tue, 11 Sep 2012 12:00:00 EST In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes Kepler. http://chandra.harvard.edu/blog/big_picture.html#n1929 http://chandra.harvard.edu/photo/2012/n1929/ Thu, 30 Aug 2012 12:00:00 EST A superbubble in the Large Magellanic Cloud (LMC), a small satellite galaxy of the Milky Way, located about 160,000 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#phoenix http://chandra.harvard.edu/photo/2012/phoenix/ Wed, 15 Aug 2012 12:00:00 EST The Phoenix Cluster is an extraordinary galaxy cluster that is breaking several important astronomical records. http://chandra.harvard.edu/blog/big_picture.html#m83sn http://chandra.harvard.edu/photo/2012/m83sn/ Mon, 30 Jul 2012 12:00:00 EST Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#igrj11014 http://chandra.harvard.edu/photo/2012/igrj11014/ Thu, 28 Jun 2012 12:00:00 EST Researchers using three different telescopes -- NASA's Chandra X-ray Observatory and ESA's XMM-Newton in space, and the Parkes radio telescope in Australia -- may have found the fastest moving pulsar ever seen. http://chandra.harvard.edu/blog/big_picture.html#cid42 http://chandra.harvard.edu/photo/2012/cid42/ Mon, 04 Jun 2012 12:00:00 EST The galaxy at the center of this image contains an Xray source, CID-42, with exceptional properties. http://chandra.harvard.edu/blog/big_picture.html#m101 http://chandra.harvard.edu/photo/2012/m101/ Thu, 24 May 2012 12:00:00 EST This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. http://chandra.harvard.edu/blog/big_picture.html#sn2010 http://chandra.harvard.edu/photo/2012/sn2010/ Tue, 15 May 2012 12:00:00 EST Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. http://chandra.harvard.edu/blog/big_picture.html#30dor http://chandra.harvard.edu/photo/2012/30dor/ Tue, 17 Apr 2012 12:00:00 EST A massive star-forming region located about 160,000 light years away. http://chandra.harvard.edu/blog/big_picture.html#musketball http://chandra.harvard.edu/photo/2012/musketball/ Thu, 12 Apr 2012 12:00:00 EST A merger of galaxy clusters about 5.2 billion light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#a383 http://chandra.harvard.edu/photo/2012/a383/ Wed, 14 Mar 2012 12:00:00 EST A cluster of galaxies located about 2.3 billion light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#a520 http://chandra.harvard.edu/photo/2012/a520/ Fri, 02 Mar 2012 12:00:00 EST A collision of massive galaxy clusters located about 2.4 billion light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#g350 http://chandra.harvard.edu/photo/2012/g350/ Wed, 01 Feb 2012 12:00:00 EST A supernova remnant located about 14,700 light years from Earth toward the center of the Milky Way http://chandra.harvard.edu/blog/big_picture.html#elgordo http://chandra.harvard.edu/photo/2012/elgordo/ Tue, 10 Jan 2012 12:00:00 EST A galaxy cluster located about 7.2 billion light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#sxp1062 http://chandra.harvard.edu/photo/2011/sxp1062/ Tue, 20 Dec 2011 12:00:00 EST A pulsar found within a supernova remnant in the Small Magellanic Cloud (SMC) http://chandra.harvard.edu/blog/big_picture.html#a2052 http://chandra.harvard.edu/photo/2011/a2052/ Tue, 13 Dec 2011 12:00:00 EST A cluster of galaxies located about 480 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#30dor http://chandra.harvard.edu/photo/2011/30dor/ Thu, 10 Nov 2011 12:00:00 EST Found in the nearby Large Magellanic Cloud, 30 Doradus is one of the largest star-forming regions located close to the Milky Way. http://chandra.harvard.edu/blog/big_picture.html#rcw86 http://chandra.harvard.edu/photo/2011/rcw86/ Wed, 26 Oct 2011 12:00:00 EST A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. http://chandra.harvard.edu/blog/big_picture.html#g299 http://chandra.harvard.edu/photo/2011/g299/ Wed, 12 Oct 2011 12:00:00 EST G299.2-2.9 is an intriguing supernova remnant found about 16,000 light years away in the Milky Way galaxy. http://chandra.harvard.edu/blog/big_picture.html#ngc281 http://chandra.harvard.edu/photo/2011/ngc281/ Wed, 28 Sep 2011 12:00:00 EST High-mass stars are important because they are responsible for much of the energy pumped into our galaxy over its lifetime. http://chandra.harvard.edu/blog/big_picture.html#vv340 http://chandra.harvard.edu/photo/2011/vv340/ Thu, 11 Aug 2011 12:00:00 EST A pair of galaxies located about 450 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#psrj0357 http://chandra.harvard.edu/photo/2011/psrj0357/ Wed, 13 Jul 2011 12:00:00 EST A pulsar located about 1,600 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#a2744 http://chandra.harvard.edu/photo/2011/a2744/ Wed, 22 Jun 2011 12:00:00 EST A collision of galaxy clusters about 3.5 billion light years away. http://chandra.harvard.edu/blog/big_picture.html#cdfs http://chandra.harvard.edu/photo/2011/cdfs/ Wed, 15 Jun 2011 12:00:00 EST A composite image combines the deepest X-ray image with optical and infrared data. http://chandra.harvard.edu/blog/big_picture.html#carina http://chandra.harvard.edu/photo/2011/carina/ Tue, 24 May 2011 12:00:00 EST A star-forming region about 7,500 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#tycho2 http://chandra.harvard.edu/photo/2011/tycho2/ Tue, 26 Apr 2011 12:00:00 EST This new image of Tycho's supernova remnant, dubbed Tycho for short, contains striking new evidence for what triggered the original supernova explosion, as seen from Earth in 1572. http://chandra.harvard.edu/blog/big_picture.html#massive http://chandra.harvard.edu/photo/2011/massive/ Wed, 13 Apr 2011 12:00:00 EST Two massive stars in the Milky Way, both about 9,000 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#tycho http://chandra.harvard.edu/photo/2011/tycho/ Thu, 24 Mar 2011 12:00:00 EST This image comes from a very deep Chandra observation of the Tycho supernova remnant, produced by the explosion of a white dwarf star in our Galaxy. http://chandra.harvard.edu/blog/big_picture.html#n4151 http://chandra.harvard.edu/photo/2011/n4151/ Thu, 10 Mar 2011 12:00:00 EST A galaxy about 43 million light years from Earth with an actively growing black hole at its center. http://chandra.harvard.edu/blog/big_picture.html#casa http://chandra.harvard.edu/photo/2011/casa/ Wed, 23 Feb 2011 12:00:00 EST This composite image shows a beautiful X-ray and optical view of Cassiopeia A (Cas A), a supernova remnant located in our Galaxy about 11,000 light years away. http://chandra.harvard.edu/blog/big_picture.html#arp147 http://chandra.harvard.edu/photo/2011/arp147/ Wed, 09 Feb 2011 12:00:00 EST This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#m82 http://chandra.harvard.edu/photo/2011/m82/ Thu, 13 Jan 2011 12:00:00 EST A new Chandra X-ray Observatory image of Messier 82, or M82, shows the result of star formation on overdrive. http://chandra.harvard.edu/blog/big_picture.html#g1915 http://chandra.harvard.edu/photo/2011/g1915/ Wed, 12 Jan 2011 12:00:00 EST A system containing a black hole about 14 times the Sun's mass in orbit with a companion star. http://chandra.harvard.edu/blog/big_picture.html#he210 http://chandra.harvard.edu/photo/2011/he210/ Mon, 10 Jan 2011 12:00:00 EST A dwarf starburst galaxy about 30 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#2gal http://chandra.harvard.edu/photo/2010/2gal/ Mon, 20 Dec 2010 12:00:00 EST This two-panel graphic contains two composite images of galaxies used in a recent study of supermassive black holes. http://chandra.harvard.edu/blog/big_picture.html#snr0509 http://chandra.harvard.edu/photo/2010/snr0509/ Tue, 14 Dec 2010 12:00:00 EST This colorful creation was made by combining data from two of NASA's Great Observatories. http://chandra.harvard.edu/blog/big_picture.html#ngc5813 http://chandra.harvard.edu/photo/2010/ngc5813/ Wed, 08 Dec 2010 12:00:00 EST This composite image shows an intergalactic "weather map" around the elliptical galaxy NGC 5813, the dominant central galaxy in a galaxy group located about 105 million light years away from Earth. http://chandra.harvard.edu/blog/big_picture.html#sn1979c http://chandra.harvard.edu/photo/2010/sn1979c/ Mon, 15 Nov 2010 12:00:00 EST A supernova that was seen to explode in 1979 from Earth, found in the galaxy M100. http://chandra.harvard.edu/blog/big_picture.html#3c186 http://chandra.harvard.edu/photo/2010/3c186/ Tue, 26 Oct 2010 12:00:00 EST A galaxy cluster with a central quasar located about 8 billion light years away. http://chandra.harvard.edu/blog/big_picture.html#g327 http://chandra.harvard.edu/photo/2010/g327/ Tue, 05 Oct 2010 12:00:00 EST G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy. http://chandra.harvard.edu/blog/big_picture.html#rosette http://chandra.harvard.edu/photo/2010/rosette/ Wed, 08 Sep 2010 12:00:00 EST This composite image shows the Rosette star formation region, located about 5,000 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#m87 http://chandra.harvard.edu/photo/2010/m87/ Wed, 18 Aug 2010 12:00:00 EST This image shows the eruption of a galactic "super-volcano" in the massive galaxy M87. http://chandra.harvard.edu/blog/big_picture.html#antennae http://chandra.harvard.edu/photo/2010/antennae/ Thu, 05 Aug 2010 12:00:00 EST A beautiful new image of two colliding galaxies has been released by NASA's Great Observatories. http://chandra.harvard.edu/blog/big_picture.html#ngc7793 http://chandra.harvard.edu/photo/2010/ngc7793/ Wed, 07 Jul 2010 12:00:00 EST Combining observations made with ESO's Very Large Telescope and NASA's Chandra X-ray telescope, astronomers have uncovered the most powerful pair of jets ever seen from a stellar black hole. http://chandra.harvard.edu/blog/big_picture.html#n49 http://chandra.harvard.edu/photo/2010/n49/ Mon, 24 May 2010 12:00:00 EST This beautiful composite image shows N49, the aftermath of a supernova explosion in the Large Magellanic Cloud. http://chandra.harvard.edu/blog/big_picture.html#g541 http://chandra.harvard.edu/photo/2010/g541/ Mon, 29 Mar 2010 12:00:00 EST A new image from NASA's Chandra X-ray Observatory and Spitzer Space Telescope shows the dusty remains of a collapsed star. http://chandra.harvard.edu/blog/big_picture.html#ngc1068 http://chandra.harvard.edu/photo/2010/ngc1068/ Wed, 03 Mar 2010 12:00:00 EST This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. http://chandra.harvard.edu/blog/big_picture.html#type1a http://chandra.harvard.edu/photo/2010/type1a/ Wed, 17 Feb 2010 12:00:00 EST A Type Ia supernova caused by accreting material produces significant X-ray emission prior to the explosion. http://chandra.harvard.edu/blog/big_picture.html#eso137 http://chandra.harvard.edu/photo/2010/eso137/ Thu, 21 Jan 2010 12:00:00 EST Using the Chandra X-ray Observatory, two spectacular tails of X-ray emission have been seen trailing behind a galaxy. http://chandra.harvard.edu/blog/big_picture.html#sgra http://chandra.harvard.edu/photo/2010/sgra/ Tue, 05 Jan 2010 12:00:00 EST The supermassive black hole at the center of the Milky Way galaxy. http://chandra.harvard.edu/blog/big_picture.html#ngc1399 http://chandra.harvard.edu/photo/2010/ngc1399/ Mon, 04 Jan 2010 12:00:00 EST An elliptical galaxy in the Fornax cluster that contains an ultraluminous X-ray source. http://chandra.harvard.edu/blog/big_picture.html#ngc6872 http://chandra.harvard.edu/photo/2009/ngc6872/ Thu, 10 Dec 2009 12:00:00 EST This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970. http://chandra.harvard.edu/blog/big_picture.html#crab http://chandra.harvard.edu/photo/2009/crab/ Mon, 23 Nov 2009 12:00:00 EST Spectacular death of a star in the constellation Taurus was observed on Earth as the supernova of 1054 A.D. http://chandra.harvard.edu/blog/big_picture.html#galactic http://chandra.harvard.edu/photo/2009/galactic/ Tue, 10 Nov 2009 12:00:00 EST In this spectacular image, observations using infrared light and X-ray light see through the obscuring dust and reveal the intense activity near the galactic core. http://chandra.harvard.edu/blog/big_picture.html#ngc6240 http://chandra.harvard.edu/photo/2009/ngc6240/ Tue, 06 Oct 2009 12:00:00 EST A galaxy about 330 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#gcenter http://chandra.harvard.edu/photo/2009/gcenter/ Tue, 22 Sep 2009 12:00:00 EST A dramatic new vista of the center of the Milky Way galaxy from Chandra X-ray Observatory exposes new levels of the complexity and intrigue in the Galactic center. http://chandra.harvard.edu/blog/big_picture.html#hydra http://chandra.harvard.edu/photo/2009/hydra/ Mon, 14 Sep 2009 12:00:00 EST A galaxy cluster about 840 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#cepb http://chandra.harvard.edu/photo/2009/cepb/ Wed, 12 Aug 2009 12:00:00 EST This composite image, combining data from Chandra and Spitzer shows the molecular cloud Cepheus B, located in our Galaxy about 2,400 light years from the Earth. http://chandra.harvard.edu/blog/big_picture.html#e0102 http://chandra.harvard.edu/photo/2009/e0102/ Thu, 23 Jul 2009 12:00:00 EST Officially known as 1E0102.2-7219, a supernova remnant in the Small Magellanic Cloud. http://chandra.harvard.edu/blog/big_picture.html#stephq http://chandra.harvard.edu/photo/2009/stephq/ Thu, 09 Jul 2009 12:00:00 EST This beautiful image gives a new look at a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#rcw86 http://chandra.harvard.edu/photo/2009/rcw86/ Fri, 26 Jun 2009 12:00:00 EST A supernova remnant in the Milky Way, about 8,200 light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#snr0104 http://chandra.harvard.edu/photo/2009/snr0104/ Tue, 09 Jun 2009 12:00:00 EST A new image from Chandra X-ray Observatory shows a supernova remnant with a different look. http://chandra.harvard.edu/blog/big_picture.html#3c305 http://chandra.harvard.edu/photo/2009/3c305/ Thu, 14 May 2009 12:00:00 EST Activity from a supermassive black hole is responsible for the intriguing appearance of galaxy 3C305, located 600 million light years away in the constellation Draco. http://chandra.harvard.edu/blog/big_picture.html#macs http://chandra.harvard.edu/photo/2009/macs/ Thu, 16 Apr 2009 12:00:00 EST One of the most complex galaxy clusters known, located about 5.4 billion light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#b1509 http://chandra.harvard.edu/photo/2009/b1509/ Fri, 03 Apr 2009 12:00:00 EST A small, dense object only twelve miles in diameter is responsible for this beautiful X-ray nebula that spans 150 light years. http://chandra.harvard.edu/blog/big_picture.html#g1915 http://chandra.harvard.edu/photo/2009/g1915/ Wed, 25 Mar 2009 12:00:00 EST New results from Chandra have made a major advance in explaining how a special class of black holes may shut off the high-speed jets they produce. http://chandra.harvard.edu/blog/big_picture.html#medusa http://chandra.harvard.edu/photo/2009/medusa/ Wed, 11 Mar 2009 12:00:00 EST A composite image of the Medusa Galaxy. http://chandra.harvard.edu/blog/big_picture.html#tycho http://chandra.harvard.edu/photo/2009/tycho/ Wed, 18 Feb 2009 12:00:00 EST Composite image of the Tycho supernova remnant http://chandra.harvard.edu/blog/big_picture.html#m101 http://chandra.harvard.edu/photo/2009/m101/ Tue, 10 Feb 2009 12:00:00 EST This image of the spiral galaxy Messier 101 (M101) is a composite of data from Chandra X-ray Observatory, the Hubble Space Telescope, and the Spitzer Space Telescope. http://chandra.harvard.edu/blog/big_picture.html#cena http://chandra.harvard.edu/photo/2009/cena/ Fri, 30 Jan 2009 12:00:00 EST An active galaxy at a distance of 10 million light years from Earth. http://chandra.harvard.edu/blog/big_picture.html#n604 http://chandra.harvard.edu/photo/2009/n604/ Tue, 27 Jan 2009 12:00:00 EST A new study unveils NGC 604, the largest region of star formation in the nearby galaxy M33, in its first deep, high-resolution view in X-rays. http://chandra.harvard.edu/blog/big_picture.html#casa http://chandra.harvard.edu/photo/2009/casa/ Tue, 06 Jan 2009 12:00:00 EST This new movie of X-ray data from Chandra of supernova remnant Cassiopeia A was made by combining observations taken between January 2000 and December 2007.