wtorek, 17 października 2017
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! EN_90219122_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Earth under construction. Computer artwork of the Earth being built by an orbiting spacecraft. The spacecraft is using a blue energy beam to move a chunk of Africa into place.
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! EN_90219122_0002 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Earth under construction. Abstract computer artwork of the Earth under construction. The Indian Ocean is seen at centre right.
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! EN_90238147_0002 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Space station. Computer artwork of a futuristic space station. A star is visible at upper left.
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! EN_90246709_0005 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Chicxulub impact. Artwork of the meteorite impact at Chicxulub on the Yucatan Peninsula, Mexico, as seen from 10 kilometres (km) altitude. This impact may have caused the extinction of the dinosaurs and 70% of all Earth's species 65 million years ago. The meteorite was an asteroid or comet core thought to have been 10-20 km across. The impact created a 180-km wide crater and threw trillions of tonnes of dust into the atmosphere. This may have blocked the Sun's light and caused global climate changes. The remains of this debris are found worldwide as a layer in rocks known as the 'K/T boundary'.
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! EN_90239968_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY International Space Station (ISS). Computer compo- site artwork of the ISS orbiting the Earth. The ISS will be powered by about 4000 square metres of so- lar power panels (brown). The mass of the ISS will be about 450,000 kilogrammes. The inhabitable, pressurised modules (towards centre) will have a total volume roughly equal to the space inside 2 airliners. The 6 crew members will perform experiments such as studies of the effects of near weightless (microgravity) conditions on materials & biological tissues. The space shuttle may supply the ISS with new crew members, provisions & equipment. The ISS is due to be completed in 2003.
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! EN_90246708_0003 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Chicxulub crater. Artwork showing the location of the Chicxulub impact crater (centre) on the Yucatan Peninsula, Mexico. This impact may have caused the extinction of the dinosaurs and 70% of all Earth's species 65 million years ago. The 5 red dots represent the cities of (from left to right): Mexico City, Tempico (where material ejec- ted from the crater has been found), Guatemala City, Havanna and Miami. The crater is about 180 kilometres (km) wide and was caused by an asteroid or comet core which was 10-20 km across. The impact threw trillions of tonnes of dust into the atmosphere which may have blocked the Sun's light and caused global climate changes.
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! EN_90246709_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Chicxulub impact. Artwork of the meteorite impact at Chicxulub on the Yucatan Peninsula, Mexico, as seen from 10 kilometres (km) altitude. This impact may have caused the extinction of the dinosaurs and 70% of all Earth's species 65 million years ago. The meteorite was an asteroid or comet core which is thought to have been 10-20 km across. The impact created a 180-km wide crater and threw trillions of tonnes of dust into the atmosphere. This may have blocked the Sun's light and caused global climate changes. The remains of this debris are found worldwide as a layer in rocks known as the 'K/T boundary'. Other impacts like this in Earth's future are a statistical certainty.
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! EN_90246709_0002 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Chicxulub impact. Artwork of the meteorite impact at Chicxulub on the Yucatan Peninsula, Mexico, seen from 100 kilometres (km) altitude. This impact may have caused the extinction of the dinosaurs and 70% of all Earth's species 65 million years ago. The meteorite was an asteroid or comet core which is thought to have been 10-20 km across. The impact created a 180-km wide crater & threw trillions of tonnes of dust into the atmosphere. This may have blocked the Sun's light and caused global climate changes. The remains of this debris are found worldwide as a layer in rocks known as the 'K/T boundary'. Other impacts like this in Earth's future are a statistical certainty.
Wysoka rozdzielczosc dostepna na zamowienie
! EN_90246709_0003 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Chicxulub impact. Artwork of the meteorite impact at Chicxulub on the Yucatan Peninsula, Mexico. This impact may have caused the extinction of the dinosaurs and 70% of all Earth's species 65 million years ago. The meteorite was an asteroid or comet core which is thought to have been 10-20 kilometres (km) across. The impact created a 180- km wide crater and threw trillions of tonnes of dust (white plume) into the upper atmosphere. This may have blocked the Sun's light and caused global climate changes. The remains of this debris are found worldwide as a layer in rocks known as the 'K/T boundary'. Other impacts like this in Earth's future are a statistical certainty.
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! EN_90238147_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Space colonisation. Computer artwork of a huge, space station shaped like a torus ring. A mountainous recreation area is suspended beneath its centre. A planet and moon are at upper left.
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! EN_90238098_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Mars colony. Computer illustration of a city colony on the surface of Mars. The colony is covered by a transparent dome to protect its 500 inhabitants. This is because the atmosphere of Mars is very thin, having a pressure at the surface which is only 0.6% that of Earth's. Mars' atmosphere is comprised of 95% carbon dioxide, a poisonous gas. The city is built in a crater on Pavonis Mons, an extinct volcano.
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! EN_90237838_0003 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Solar system. Computer graphic of the Sun and planets of the Solar System. The planets are arranged in order of distance from the Sun (at top). The planets from upper left are: Mercury, Venus, Earth (and the Moon), Mars, Jupiter, Saturn, Uranus, Neptune, Pluto (a Dwarf planet). Rings are seen around Jupiter, Saturn, Uranus and Neptune. (Not to scale)
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! EN_90226905_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Ilustration entitled 'Embryo Stars'. Two young blue/white giant stars are seen amidst a vast cloud of hydrogen. The stars are accreting more of this gas by their gravitation, gathering more fuel for the nuclear processes that will power them throughout their lives. These stars are considerably more massive than our own star, the Sun, and so will eventually explode as supernovae, possibly ending their days as neutron stars or black holes.
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! EN_90227017_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Illustration showing the birth of the Sun, our own star, within a nebula. Irregularities in the distribution of gas and other matter within a nebula may lead to a star 'seed' being formed. This starts to rotate, its increasing gravity forming an accretion disc of matter falling toward its surface. A nearby supernova event (top left) sends a compressed wave of material toward the 'seed', providing a dense source of matter for the star to accrete and a source of intense energy that may trigger hydrogen fusion reactions within the core.
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! EN_90227065_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Illustration showing the evolution of a high-mass star, ending in a supernova explosion. Stage one (left) shows a normal blue star, powered by hydrogen fusion. As the hydrogen fuel in the core becomes depleted, the helium 'ash' contracts, heats up and ignites. The higher temperatures of helium-burning cause the star to expand & become a red giant (stage 2). In a similar way, successive heavier elements begin to burn in shells around the core. Eventually the core is converted to iron & the fusion ceases. Both the core & atmosphere then collapse (3). When nuclear density is reached, the core rebounds (4), sending out a shock wave which tears the star apart.
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! EN_90234580_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Artist's impression of a mission to Mars in the 1990s. Visible in the image are two manned capsules each with a satellite receiving antennae for transmitting and receiving information. Various rovers and processors would collect samples of Martian soil and rocks for laboratory analysis. Overhead are several Interplanetary Shuttles powered by solar-sails, which transport people and goods between the planets. The mission would last for three years and involve four astronauts. The project would also involve the building of a nuclear power plant on the planet.
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! EN_90237830_0001 SCI
PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Solar sailing. Artwork of three 'solar sail' spacecraft. These spacecraft are powered by the pressure of sunlight on their large sail-like membranes. Each photon of light reflects from the sail, imparting a tiny forward acceleration. This leads to a gradual but continuous acceleration, and very high speeds can be attained.
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