The NASA/ESA Hubble Space Telescope has captured this vivid image of spiral galaxy Messier 77 — a galaxy in the constellation of Cetus, some 45 million light-years away from us..
A NASA camera on the Deep Space Climate Observatory satellite has returned its first view of the entire sunlit side of Earth from one million miles away.
This color image of Earth was taken by NASA's Earth Polychromatic Imaging Camera (EPIC), a four megapixel CCD camera and telescope..
Since the inception of the National Aeronautics and Space Administration (NASA) in 1958, they have collected thousands of photos of celestial bodies..
In taking celestial photographs the telescope is used as the camera, the sensitive plate being usually placed in the focus 0f the 0bject-glass or mirror, and receiving the image direct:iy Up0n it.
From the impression thus produced enlarged c\xb0pies may be subsequently taken..
Most of the time, astronomers derive information from an analysis of the light or the motions of celestial bodies, a process that, to the uninitiated, may seem more like sorcery than science.
In fact, astronomy is a challenging science, but not because the universe is inaccessible in the conventional sense..
The combination of an orbiting telescope and digital image processing allow us to appreciate the sublimity of the universe, but also imagine—if only through pictures—exploring distant nebulae, galaxies, and far-flung star-fields..
How far can Hubble see? The farthest observation that Hubble has made to date is of the galaxy GN-z11, which is located about 13.4 billion light-years away..
The Hubble Space Telescope can see out to a distance of several billions of light-years.
A light-year is the distance that light travels in 1 year..
Photographers will use the longest exposure time possible (without blowing out the highlights), to capture the most amount of movement in the sky as possible.
In many cases, this is a 30-second exposure on a fixed tripod..
In 1840, the moon became the first astronomical object to be photographed.
Astronomers set their aspirations even higher, with the goal of being able to use long exposure times to reveal celestial objects the human eye can't see..
Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky..
In taking celestial photographs the telescope is used as the camera, the sensitive plate being usually placed in the focus 0f the 0bject-glass or mirror, and receiving the image direct:iy Up0n it.
From the impression thus produced enlarged c\xb0pies may be subsequently taken..
Hubble Goes to the eXtreme to Assemble Farthest-Ever View of the Universe.
Called the eXtreme Deep Field, or XDF, the photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field..
The first photograph of an astronomical object (the Moon) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography..
On Oct. 24, 1946, soldiers and scientists at White Sands Missile Range launched a V-2 missile carrying a 35-millimeter motion picture camera which took the first shots of Earth from space..
Part of imaging the night sky is to see for myself what's up there.
When you have to process an image, you have to REALLY see it, to understand what information is there, to figure out what's real, what's just system noise, etc.
You learn so much about the shape and form and structure of deep space objects..
2010 May 21:
2008 January 29:
West Valley Panorama from the Spirit Rover on Mars 2008 January 28:
A Solar Eclipse Painting from the 1700s 2008 January 27:
Mercury on the Horizon 2008 January 26:
Crescent Mercury in Color 2008 January 25:
Winter Night at Pic du Midi 2008 January 24:
Andromeda Island Universe
2012 September 12:
M7:
Open Star Cluster in Scorpius 2012 September 11:Milky Way Over the Bungle Bungles 2012 September 10:
Curiosity on the Move 2012 September 09:
Wisps Surrounding the Horsehead Nebula 2012 September 08:
Cosmic Rays at Voyager 1 2012 September 07:
IC 4628:
The Prawn Nebula 2012 September 06:Airglow over Italy
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Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Official NASA photographs from agency photographers chronicle what’s making news across the agency, from launches and landings to important science announcements.
