Radiation Collection (page 8)

Supernova remnant Cassiopeia A, X-ray image. Cassiopeia A (Cas A) is a remnant of a supernova star that exploded around 320 years ago, the youngest in the Milky Way galaxy

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)

Gamma ray burst formation, artwork. A gamma ray burst (GRB) is a short, intense emission of gamma rays from a point source in space

Radio galaxy, computer artwork. A radio galaxy is a type of active galaxy, having a core of emission in the middle of the galaxy, known as an active galactic nucleus (AGN)

Early history of the universe, artwork
Early history of the universe. Artwork showing the cooling and expansion of the early universe from its origin in the Big Bang (upper left)

Multiple universes, artwork
Multiple universes. Artwork showing multiple universes forming from black holes following the Big Bang formation of the initial universe at top left

Laptop computer, thermogram. Laptop computers are designed for portability and in order to save space. A thermographic image is created by using a thermographic camera which detects radiation

Mobile phone masts near a playground. Mobile telephones send and receive voice, text and image data as low-intensity microwaves

Protective nuclear suit
Protective suit. Worker in a nuclear power station, wearing special garments for radiation protection

Mobile phone danger
Mobile telephone danger. Conceptual computer artwork of bubbles containing skull and crossbones coming out of a mobile telephone. Mobile phones use low-power microwave signals to transmit calls

Nuclear research centre, Russia. This area is the Pulsar unit, opened in 1991 for research into the effects of radiation. This research is being conducted at the Russian Federal Nuclear Center

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

Bacterial contamination test. Ultraviolet (UV) light being used to reveal bacterial contamination. At right, a laboratory workers hand has been placed under a UV light source (pink)

Heat sink plate (metal, centre) on a radio tuner and amplifier circuit board. This is a protective device that absorbs and dissipates excess heat generated by the components of the circuit board

Telecommunications mast
Telecommunications base. Radio wave antennas mounted on top of a chimney. These are used to communicate between mobile phones in a telecommunications network

Telecommunications masts. The dishes and antennas on these masts receive, amplify and relay mobile phone, microwave and radio signals. Photographed in Curno, Italy

Concealed mobile phone mast. Camouflaged mobile phone mast on a brick chimney

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

Production of radioactive tracers at Amersham Int
Preparation of technetium-99m (Tc-99m) isotope generators, used as sources of radioactive tracers for gamma ray scintigraphy in hospital nuclear medicine departments

Radiation measurements, 1948
Radiation measurements. Researcher (right) using a Geiger Mueller gamma ray counter to measure the radiation levels in a test subject (left)

Radon measurements, 1948
Radon measurements. Researcher using an alpha-particle ionisation method to measure the radon content of breath samples. Radon is a radioactive gas found in nature

Fallout shelter supplies, USA, Cold War
Fallout shelter supplies at an exhibit in the USA during the Cold War. In the late 1950s and early 1960s, the Cold War between the USA and the USSR was reaching its peak

Cold War medical training, 1958
Cold War medical training. US Navy nurses observing a demonstration of radiation survey instruments as part of the nuclear nursing course at the National Naval Medical Center, Bethesda, Maryland

Military radiation meter
British military radiation meter. This portable device is designed to be used to measure the levels of radiation in an area

Radiation hazard sign at Amersham International

The first stars, artwork
The first stars. Artwork of the first stars in the universe, thought to have formed over 13 billion years ago, when the universe was only a few million years old

Vavilov and colleagues, Moscow, 1938
Sergey Ivanovich Vavilov (1891-1951, right), Soviet physicist, carrying out an experiment with colleagues in his laboratory

Geiger-Muller tube measuring radiation from a source, with a ratemeter. The Geiger-Muller tube (at left) is instrument for detecting and measuring ionizing radiation (from the source at right)

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)

Big Bang, conceptual image. The Big Bang (represented at upper left) is a huge explosion that is believed to have created the universe 13.7 billion years ago

Cosmic waves, conceptual artwork
Cosmic waves, conceptual computer artwork

Earths magnetic field protection. Conceptual computer artwork of the Earth being protected by its magnetic field (magnetosphere)

Prehistoric black hole, conceptual image

Universe time line, artwork
Big Bang and Evolution of Galaxies - The observable Universe is about 84 billion light years across. According to the standard view of cosmolog

Thermogram of AC converters, artwork
Conceptual computer artwork of a thermogram showing the heat loss from 2 banks of a/c power converters. Thermography detects radiation in the infrared range of the electromagnetic spectrum

The Sun, 15th Century artwork

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"Unveiling the Mysteries of Radiation: From Cosmic Background to Nuclear Fallout" In our quest to understand the universe, it has emerged as a fascinating and enigmatic force. Embark on a captivating journey through time and space as we explore the various facets of this phenomenon. Let's begin with the MAP microwave background, an extraordinary snapshot of our early universe. This relic radiation allows us to peer back in time, unraveling secrets about the birth and evolution of galaxies. Gaze upon the mesmerizing Orion Nebula, where cosmic microwave background radiation intertwines with celestial beauty. The swirling gases and dazzling stars within M42 and M43 create a breathtaking spectacle that showcases both creation and destruction. Venturing further into history, we encounter James Clerk Maxwell, depicted in caricature form. His groundbreaking work paved the way for understanding electromagnetic waves - including radiation - forever changing our perception of physics. As we traverse through time on our Universe timeline artwork, witness a supernova explosion frozen in motion. This awe-inspiring display captures nature's power at its peak while shedding light on how radiation shapes celestial bodies throughout their lifecycle. But not all forms are born from distant realms; some have been man-made. Recall the haunting aftermath of a 1957 nuclear test: Fall-out lingers ominously over landscapes like ghost villages in Belarus – stark reminders of humanity's complex relationship with atomic energy. Marvel at the ethereal Helix Nebula, adorned by planetary nebulae emitting radiant hues. These intricate formations showcase how dying stars release their outer layers into space – an exquisite dance between life cycles and cosmic emissions. Finally, confront one of nature's most enigmatic creations: black holes. These gravitational powerhouses emit intense streams of high-energy particles known as Hawking Radiation – offering tantalizing clues about what lies beyond event horizons. Radiation remains an enigma that captivates scientists and artists alike; it is both a cosmic fingerprint and an earthly creation.