Hubble’s Lagoon
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Explanation: Like brush strokes on a canvas, ridges of color seem to flow across this scene. But here, the canvas is nearly 3 light-years wide and the colors map emission from ionized gas in the Lagoon Nebula, recorded by the Hubble Space Telescope’s Advanced Camera for Surveys. Also known as M8, the nebula is a star forming region about 5,000 light-years distant in the constellation Sagittarius. Hubble’s remarkably sharp, close-up view reveals undulating shapes sculpted by the energetic light and winds from the region’s new born stars. Of course, the Lagoon nebula is a popular target for earthbound skygazers, too. It features a prominent dust lane and bright hourglass shape in small telescopes with wider fields of view.
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Discovery being prepped for STS-133
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The Sun at Equinox
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On the first full day of the fall equinox:
…the Sun crosses the celestial equator heading south at 03:09 Universal Time. Known as an equinox, this astronomical event marks the first day of autumn in the northern hemisphere and spring in the south. Equinox means equal night. With the Sun on the celestial equator, Earth dwellers will experience nearly 12 hours of daylight and 12 hours of darkness. Of course, in the north the days continue to grow shorter, the Sun marching lower in the sky as winter approaches. To celebrate the equinox, consider this view of the Sun in extreme ultraviolet light from the Sun staring Solar Dynamics Observatory. Recorded yesterday, the false-color image shows emission from highly ionized iron atoms. Loops and arcs trace the glowing plasma suspended in magnetic fields above solar active regions.
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Dark Clouds of the Carina Nebula
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calvin and hobbes night sky wallpaper
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distant galaxy
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suns of size
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Pelican Nebula
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Fly Me to the Moon
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Some Nifty APOD Pics
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APOD: The Lagoon Nebula
APOD: The Planet and the Radio Dish
APOD: Eclipse Shadow Cone Over Patagonia
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This is the last time we were on the moon
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Antennae Galaxies in Collision
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Explanation: Two galaxies are squaring off in Corvus and here are the latest pictures. But when two galaxies collide, the stars that compose them usually do not. That’s because galaxies are mostly empty space and, however bright, stars only take up only a small amount of that space. During the slow, hundred million year collision, one galaxy can still rip the other apart gravitationally, and dust and gas common to both galaxies does collide. In this clash of the titans, dark dust pillars mark massive molecular clouds are being compressed during the galactic encounter, causing the rapid birth of millions of stars, some of which are gravitationally bound together in massive star clusters.
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Makemake Smiles
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Black Holes in Merging Galaxies
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Explanation: Violent galaxy mergers can feed supermassive black holes. Theoretically, the result is intense emission from regions near the supermassive black holes, creating the some of the most luminous objects in the universe. Astronomers dub these Active Galactic Nuclei, or just AGN. But for decades only about 1 percent of AGN seemed to be associated with galaxy mergers. New results from a premier sky survey by NASA’s Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies, though. The hard X-rays more readily penetrate dust and gas clouds in merging galaxies and reveal the presence of emission from the active black holes. In fact, these panels show the location (circled) of Swift X-ray detected supermassive black holes in a variety of merging galaxy systems. The optical images are from the Kitt Peak National Observatory in Arizona. At top center is NGC 7319 and the compact galaxy group known as Stephan’s Quintet.
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Looking Back Across Mars
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science is fucking awesome, right? imagine being a Predator Drone pilot, but on another fucking planet. That’s the kind of shit that makes me both nervous and horny at the same time. Science is fucking sexy.
APOD: 2010 May 25 – Looking Back Across Mars.
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Our Furnace
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The Sun’s vast sphere, 864,000 miles in diameter contains 335 billion cubic miles of violently hot gasses that weigh more than 2,000 quadrillion tons. Direct study can probe no deeper than the sun’s double atmosphere (the tenuous outer corona and the shallow, inner chromosphere) and it’s surface skin (the photosphere), because only the energy from these two zones reaches the earth after a 93-million mile journey in the form of visible light or invisible radiation. Yet the density, temperature and composistion of gasses in the suns’s hidden interior have been calculated, and astrophysicists know the nuclear processes that make them burn…
via Sci-Fi-O-Rama
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Cosmic Wreckage
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Stunningly beautiful.
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You are here!
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Earth from Mars: First image ever taken of Earth from the surface of a planet beyond the Moon.
www.pixdaus.com
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The Sun as art
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amandabauer.blogspot.com/2010/04/sun-as-art.html =>
science.nasa.gov/science-news/science-at-nasa/2010/21apr_firstlight/
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Missions to Mars
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