Astrophysics Collection (page 19)

Comet ISON, April 2013 C015 / 9816
Comet ISON (C/2012 S1), as observed on 10 April 2013 by the Hubble Space Telescope (HST). This comet was discovered on 21 September 2012 by the International Scientific Optical Network (ISON)

Comet ISON, April 2013 C018 / 0743
Comet ISON (C/2012 S1), as observed on 30th April 2013 by the Hubble Space Telescope (HST). This comet was discovered on 21 September 2012 by the International Scientific Optical Network (ISON)

Comet ISON, October 2013 C018 / 0742
Comet ISON (C/2012 S1), as observed on 9th October 2013 by the Hubble Space Telescope (HST). This comet was discovered on 21 September 2012 by the International Scientific Optical Network (ISON)

Black hole, artwork C017 / 7667
Black hole, computer artwork. Black holes are formed when matter collapses to densities where gravity prevents light escaping

Rosetta orbit around black hole, artwork C016 / 9840
Rosetta orbit around black hole. Computer artwork showing an object (red) orbiting a black hole (yellow) in a rosetta pattern (pink lines)

Spiral galaxy NGC 891, optical image C017 / 3733
Spiral galaxy NGC 891, combined optical image. The galaxy lies around 30 million light years from Earth in the constellation Andromeda

Carina nebula (NGC 3372), optical image C017 / 3741
Carina nebula (NGC 3372), optical image. This is an emission nebula, a huge cloud of gas and dust that glows as the hydrogen it contains is ionised by radiation from the hot young stars that have

Spiral galaxy NGC 3521, optical image C017 / 3743
Spiral galaxy NGC 3521, combined optical image. NGC 3521 measure 50, 000 light years across and lies 35 million light years from Earth in the constellation of Leo

Fermi Gamma-ray Space Telescope, artwork C017 / 7230
Fermi Gamma-ray Space Telescope. Computer artwork of the Fermi Gamma-ray Space Telescope in orbit over the Earth. This space observatory was formerly known as the Gamma-ray Large Area Space

Triangulum Galaxy (M33), optical image C017 / 3724
Triangulum Galaxy (M33, NGC 598), optical image. This galaxy is located around 3 million light years from Earth, in the constellation of Triangulum. It has a diameter of some 50, 000 light years

Trifid Nebula M20, Hubble image C017 / 3721
Trifid Nebula (M20, NGC 6514). Combined images from the Subaru Telescope and Hubble Space telescope of the Trifid Nebula M20

Rosetta orbit around black hole, artwork C016 / 9835
Rosetta orbit around black hole. Computer artwork showing an object (orange) orbiting a black hole (blue) in a rosetta pattern (yellow lines)

Spiral galaxy NGC 2403, optical image C017 / 3739
Spiral galaxy NGC 2403, combined optical image. NGC 2403 lies about 12 million light years from Earth, in the constellation Camelopardalis

Birth of a solar system, artwork C017 / 0754
Birth of a solar system. Computer artwork showing a new star (centre, yellow) with surrounding material coalescing to form new planets orbiting it

Solar structure, artwork C017 / 7363
Solar structure. Cutaway computer artwork showing the structure of the Sun. At the Suns core (centre) hydrogen atoms undergo nuclear fusion

Veil Nebula (IC 1340), optical image C017 / 3716
Veil Nebula (IC 1340), optical image. The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus

Radiation belt storm probes, artwork C014 / 0368
Radiation belt storm probes, artwork. These two satellites will orbit the Earth studying the Van Allen radiation belt, a torus of ionised particles that surrounds the Earth

Big Bang and galaxies, artwork C014 / 1242
Big Bang and galaxies. Artwork showing the galaxies that formed following the Big Bang (centre), the initial expansion of all the matter in the universe from an infinitely compact state some 13.7

Big Bang and galaxies, artwork C014 / 1243
Big Bang and galaxies. Artwork showing the galaxies that formed following the Big Bang (centre), the initial expansion of all the matter in the universe from an infinitely compact state some 13.7

Black hole, artwork C014 / 1244
Black hole. Artwork of the spherical region where light is trapped around a black hole, with surrounding interstellar material (blue) being pulled inwards

Gill in Cape Observatory study. Scottish astronomer David Gill (1843-1914, centre) in his study at the Cape Observatory, South Africa

Giant solar flare, satellite image
Giant solar flare. Satellite image showing the development of a giant solar flare (bright) erupting from the surface of the Sun (centre)

Asteroids approaching Mars, artwork
Asteroids approaching Mars. Computer artwork showing three large icy asteroids approaching Mars

Centre of the Milky Way, infrared image C014 / 5035
Centre of the Milky Way, infrared image. These stars form part of the centre of our Milky Way galaxy. This galactic centre is located in the constellation of Sagittarius, some 25

Solar flare, SDO ultraviolet image
Solar activity. Extreme ultraviolet (UV) satellite image showing a solar flare and coronal mass ejection (CME) erupting from the surface of the Sun on 2nd January 2012

Crashed alien space-craft, artwork
Crashed alien space-craft. Computer artwork of a space-ship that has crashed on the frozen surface of an alien moon

Giant solar flare, UV telescope image
Giant solar flare. Ultraviolet (UV) image at 195nm wavelength, of a giant solar flare (bright, lower right) erupting from the surface of the Sun

Globular cluster, artwork
Globular cluster. Computer artwork of a view across rock formations on the surface of an alien planet, towards its moon (centre) and a globular star cluster in the sky above

Milky way and surrounding dwarf galaxies. Image from space looking towards the Milky Way (centre left). Here the spiralling arms of the galaxy can be clearly seen

Asteroid Icarus, artwork
Asteroid Icarus. Computer artwork of the asteroid Icarus during its close approach to the Sun. The asteroids lie in well-defined belts between the orbits of Mars & Jupiter

Spiral galaxy NGC 1365, HAWK-I image C014 / 5034
Spiral galaxy NGC 1365, infrared image. This barred spiral galaxy is part of the Fornax cluster of galaxies, and lies about 60 million light years from Earth in the constellation of Fornax

Leviathan of Birr, Ireland
Leviathan of Birr. This 6-foot telescope, at Birr Castle, Parsonstown, Ireland, was constructed in 1845 by the Irish astronomer William Parsons (1800-1867), the 3rd Earl of Rosse

European Extremely Large Telescope C014 / 5032
European Extremely Large Telescope (E-ELT), artwork. This architectural rendering shows the telescope open at night and taking observations

RMC 136a star cluster, infrared image C014 / 5038
RMC 136a star cluster, infrared image. This young cluster has three bright stars that when formed each weighed more than 150 times the mass of the Sun

Alien landscape and star-forming nebula C014 / 4724
Alien landscape and star-forming nebula. Artwork of moons and a star-forming nebula (colours) in the night sky of an alien planet

SDO view of the Sun eclipsed by Earth. The Solar Dynamics Observatory (SDO) is an Earth-orbiting spacecraft launched in 2010 by NASA and used to observe the Sun

Cosmic rays, artwork
Cosmic rays. Artwork of high-energy particles and radiation from space (cosmic rays) impacting molecules and atoms in the Earths atmosphere

Nemesis star, artwork
Nemesis star. Computer artwork of the star Nemesis, a hypothetical companion star to the Sun (upper left). It is thought that Nemesis is either a red or brown dwarf that moves in an elliptical orbit

Northern Lights explained, artwork C016 / 8113
Northern Lights explained. Computer artwork showing the explosion of energy (bright, right) responsible for sudden increases in the brightness and movement of the Northern Lights (Aurora Borealis)

1874 Transit of Venus chart, egress 2 (exterior contact). This transit took place on 8-9 December 1874. Such transits (where Venus passes across the Sun as seen from the Earth) are rare

1874 Transit of Venus chart, ingress 2 (interior contact). This transit took place on 8-9 December 1874. Such transits (where Venus passes across the Sun as seen from the Earth) are rare

1874 Transit of Venus chart, egress 1 (interior contact). This transit took place on 8-9 December 1874. Such transits (where Venus passes across the Sun as seen from the Earth) are rare

Crawford Observatory, Queens College (now University College), Cork, Ireland. This observatory, erected in 1880, is named after William Crawford who funded its construction and outfitting

Windsor Observatory, Windsor, New South Wales, Australia. This observatory was built in 1864 by Australian astronomer John Tebbutt (1834-1916)

Sydney Observatory, Observatory Hill, Sydney, New South Wales, Australia. This hilltop area, overlooking the bay below, was originally the site of a windmill in 1796, then a fort in 1803

US Naval Observatory, Washington DC, USA. The USNO was established in 1830 to provide astronomical timings and data for US shipping

Greenwich Observatory, 1851
Greenwich Observatory. 19th-century chromolithograph of people and deer in Greenwich Park, London, England, with Flamsteed House, the main building of the Royal Observatory, Greenwich

Observatory House, Princeton, 1883. This building and its telescope dome (left) was erected in 1877 to provide Princeton University, New Jersey, USA, with a working telescope

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Astrophysics, the captivating realm where science and wonder intertwine, unveils the secrets of our vast universe. From the iconic "Pale Blue Dot" image captured by Voyager 1 to the mesmerizing Hubble Ultra Deep Field 2012 photograph, astrophysics continues to expand our cosmic understanding. In 1919, during a solar eclipse, Sir Arthur Eddington's groundbreaking experiment confirmed Einstein's theory of general relativity. This pivotal moment paved the way for further astronomical breakthroughs. Gazing at Orion's Belt in awe, we are reminded of its celestial beauty and significance within our night sky. The Hubble Ultra Deep Field galaxies capture our imagination as they reveal countless distant galaxies scattered across space-time. The MAP microwave background survey provided us with an unprecedented glimpse into the early universe, uncovering ancient patterns imprinted on cosmic radiation. Meanwhile, the ethereal glow of the Orion Nebula showcases stellar birth in all its splendor. Amongst these wonders lies one of nature's most breathtaking creations: The Pillars of Creation. These colossal gas and dust structures within M16 remind us that even amidst chaos, beauty emerges. Delving deeper into nebulae like Sh 2-106 through stunning images from NASA's Hubble Space Telescope leaves us awestruck by their intricate formations and vibrant colors. Witnessing gas pillars in the Eagle Nebula evokes a sense of both fragility and resilience found throughout space. Revisiting history once more brings us back to that transformative moment during a solar eclipse in 1919 when scientific theories were validated against nature itself. It was then that humanity took another step towards unraveling universal mysteries. Lastly, we encounter the Cosmic Microwave Background (CMB), an echo from nearly fourteen billion years ago when light first permeated our expanding cosmos after the Big Bang. This faint radiation holds vital clues about our origins and paints a vivid picture of how everything began.