Emission Collection (page 3)

Supernova remnant IC 443. Optical image of IC 443 (red, centre right), a supernova remnant in the constellation Gemini. North is at top

Black hole spectrum, X-ray image
Black hole spectrum. Coloured Chandra telescope X- ray spectrum of the black hole binary system XTE J1118+480. The spectrum (narrow line)

Milky Way in Cygnus
Milky Way. Optical image of the Milky Way in the constellation Cygnus, the swan. North is at top. The bright star at upper left is Deneb (Alpha Cygni)

Simeis 147 supernova remnant, optical image. The glowing filaments of gas and dust are the remains of a supernova explosion, or explosive death of a large star

Veil nebula supernova remnant, NGC 6979. Optical image of a region of the Veil nebula, part of the Cygnus Loop, which is the remnant of a supernova that exploded some 5-8000 years ago

Car emissions testing
Car emissions test. Mechanic using a computer that tests a vehicles exhaust emissions for various gases. It monitors the amount of carbon monoxide, carbon dioxide and nitrogen oxides, amongst others

Fulham Power Station. Smoke rising from chimneys at Fulham power Station during the 1960s. This coal-fired power station is located near the River Thames, London

Bulb research. Prototype low heat light bulb being tested within a miniature Ulbricht, or integrating, sphere. Once closed

Microwave emission test. Computer screen display of the output of a test to detect microwave emissions from electrical objects. This device has many applications in electrical engineering

Lamp research. Researcher using an Ulbricht, or integrating, sphere to study the light from an Endura fluorescent lamp. Once closed

Light echoes around star V838 Monocerotis, Hubble Space Telescope image. This star underwent a massive brightening, or nova, in 2002

Active galaxy, conceptual artwork
Active galaxy, conceptual computer artwork. Active galaxies are typical galaxies (centre), but with a small core of emission in the middle of the galaxy, known as an active galactic nucleus (AGN)

Aurora watching, time-exposure image
Aurora watching. Time-exposure image of an aurora watcher by a fire, observing an auroral display in the northern hemisphere

Aurora observations, 1839. Historical artwork of an aurora seen from Finland, on 21st January 1839. Aurorae, displays of coloured lights in the sky

Chimney at a glass factory, thermogram
Industrial chimney. Thermogram of smoke issuing from a chimney at a glass factory. A thermogram shows the variation in temperature on the surface of an object

Smoking chimneys of a paper mill polluting the air
Industrial air pollution. Billowing clouds of smoke emanating from the industrial chimneys of a pulp and paper mill. Photographed in the USA

Chimney smoke from a chemical plant obscuring Sun
Industrial air pollution. Chimney smoke from a chemical plant obscuring the Sun

Carbon ration book for driving
Carbon ration book and car keys. The introduction of a system of personal carbon rationing has been suggested as a way for the UK to reduce its carbon emissions

Smoke from a chemical plant
Industrial air pollution. Clouds of smoke pour from a chemical plant chimney. Photographed in England

Smoking chimneys of an oil refinery at sunset
Air pollution. Smoking chimneys of an oil refinery pump pollutants into the air at sunset. Photographed at Aruba, West Indies

Smoke from a chimney
Air pollution. A trembling Sun silhouetted against the dark smoke coming out of an industrial chimney. The main forms of air pollution derive from the burning of fossil fuels such as coal

Northern lights. Time exposure photograph of the Northern Lights, or Aurora Borealis, and star trails around the Pole star

Earth and nebulae. Computer artwork of the Earth with a nebula behind it. A nebula is a large cloud of gas and dust in space. They are often many light years across

Greenhouse effect, conceptual image
Greenhouse effect. Conceptual image of infrared rays (red arrows) trapped in the Earths atmosphere by greenhouse gases such as water vapour and carbon dioxide

Leningrad nuclear power station
Nuclear power station. View of part of the turbine hall at the Leningrad nuclear power station at Sosnovy Bor. The station uses four RBMK-1000 reactors, the type used at the Chernobyl site

Northern lights over Murmansk
Northern lights. View of the Northern Lights, or Aurora Borealis, photographed above the Russian city of Murmansk. The Northern Lights are created as electrically charged particles from the Solar

Pulsar, artwork
Pulsar, computer artwork. A pulsar (upper right), a rapidly rotating neutron star, is the collapsed super-dense core of a massive star that has blown off its outer layers in a supernova

Turbine hall at a power station
Electricity generation. View across the turbine hall of a power station. The turbine hall is where high pressure steam from the boilers is fed into turbines that are connected to generators

Alien planet, artwork
Alien planet. Artwork of a nebula as seen from an alien planet

Solar spectroscopy, 19th century
Solar spectroscopy. Artwork of solar eruptions combined with spectroscopic observations of the Sun. The depictions of the solar eruptions (prominences) and a planet (left, included for scale)

Polychaete marine worm on a sponge
Polychaete marine worm (Lepidonotus squamatus) on a natural sponge. Polychaetes are a class of annelid (segmented) worms. Each segment has a pair of fleshy limb-like appendages (parapodia)

Marine worm fluorescing. Image showing the ability of the polychaete marine worm Lepidonotus squamatus to fluoresce. Polychaetes are a class of annelid (segmented) worms

Betelgeuse emission spectrum
Sirius emission spectrum. This multicoloured band is obtained by recording what wavelengths of light (each seen as a different colour) are emitted by the star Betelgeuse (Alpha Canis Majoris)

Omicron Ceti emission spectrum. This multicoloured band is obtained by recording what wavelengths of light (each seen as a different colour) are emitted by the star Omicron Ceti (Mira Ceti)

Pleiades emission spectra. These multicoloured bands are obtained by recording what wavelengths of light (each seen as a different colour) are emitted by each star in the open cluster Pleiades

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"Exploring the Mysteries of Emission: From Messier Objects to Northern Lights" Behold the captivating beauty of Messier objects, a full set that unveils the secrets of our universe through their mesmerizing emissions. Nature's own light show, the enchanting dance of the Northern Lights leaves us in awe as it emits vibrant colors across the night sky. Peering into deep space, we discover the enigmatic Horsehead Nebula emitting ethereal gases and dust, creating a celestial masterpiece. Unveiling its colorful signature, H-He-Hg emission spectra C017 / 7260 reveals insights into elemental composition and cosmic origins. The Ring Nebula M57 captivates with its intricate structure, as seen through Hubble's lens (C017 / 3725), showcasing an emission phenomenon like no other. Through infrared eyes, witness the Helix nebula's stunning emission captured by Spitzer's camera - a breathtaking display of interstellar gas and dust. Journeying further into space brings us to Lagoon nebula M8, where luminous emissions paint a vivid portrait amidst vast clouds of hydrogen gas. Delving deeper still reveals Cave nebulae emitting mysterious glows that hint at hidden wonders yet to be fully understood by astronomers. Unlocking cosmic secrets requires meticulous elemental analysis - studying emissions from distant stars and galaxies provides valuable clues about our universe's composition. Immerse yourself in artistic brilliance as you gaze upon an imagined pulsar emitting powerful beams of energy against a backdrop of infinite darkness. Returning once more to marvel at nature's artistry, witness again the Horsehead Nebula releasing delicate tendrils into space – an emblematic symbol etched among stellar landscapes. The Common Puffball fungus (Lycoperdon perlatum) gracefully releases spores into the air, a natural emission that perpetuates life's cycle on Earth.