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potw1519a.jpg (Obrazek JPEG, 3000×2000 pikseli)

potw1519a.jpg (Obrazek JPEG, 3000×2000 pikseli)

herbert haseneder (zivilisationen de) – Google+

herbert haseneder (zivilisationen de) – Google+

immagini mai viste prima

immagini mai viste prima

Spiral Galaxy NGC 253* Measuring 70 000 light-years across and laying 13 million light-years away, the nearly edge-on spiral galaxy NGC 253

Spiral Galaxy NGC Measuring 70 000 light-years across and laying 13 million light-years away, the nearly edge-on spiral galaxy NGC 253

Orion Nebula (click for larger version)

Orion Nebula Courtesy of ESO/Igor Chekalin This image of the Orion Nebula was captured using the Wide Field Imager camera on the MPG/ESO teles.

Metor at ESO La Silla observatory

Metor at ESO La Silla observatory Copyrights: Laurent Le Guillou

La galaxia activa Markarian 1018

Scientists have discovered the supermassive black hole at the center of galaxy Markarian 1018 is dimming because it is starving, that is, not getting enough fuel to keep it shining brightly.

Buraco no Sol.

The European Space Agency/NASA Solar and Heliospheric Observatory, or SOHO, captured this image of a gigantic coronal hole hovering over the sun’s north pole on July 2013

Suspected Black Hole Unmasked as Ultraluminous Pulsar | NASA

Chandra Finds Evidence for Serial Black Hole Eruptions

Suspected Black Hole Unmasked as Ultraluminous Pulsar

La vue magnifique d’une aurore boréale depuis l’ISS

La vue magnifique d'une aurore boréale depuis l'ISS

A satellite galaxy of our own Milky Way, the Large Magellanic Cloud (LMC) is an alluring sight in dark southern skies and the constellation Dorado. A mere 180,000 light-years distant, the LMC is seen in amazing detail in this very deep 4 frame mosaic of telescopic images, a view that reveals the Milky Way's satellite to have the appearance of a fledgling barred spiral galaxy. The mosaic includes image data taken through a narrow filter that transmits only the red light of hydrogen atoms…

A satellite galaxy of our own Milky Way, the Large Magellanic Cloud is an alluring sight in dark southern skies and the constellation Dorado

Une fenètre sur le monde, l'observatoire de la Silla, ou de nombreuses exoplanètes ont été découverte par HARPS

Une fenètre sur le monde, l'observatoire de la Silla, ou de nombreuses exoplanètes ont été découverte par HARPS

View of our galaxy from space

NASA‬ astronaut Terry Virts shared this photo from the International Space Station: The view of our Galaxy from space.

NGC 4981 was discovered on 17 April 1784 by William Herschel, and subsequently documented in John Dreyer’s New General Catalogue. Over a century later, on 23 April 1968, the galaxy once again made it into the records when a Type la supernova — a stellar explosion in a binary star system — occurred within its confines: SN 1968I. SN 1968I, however, was not to be the galaxy’s only supernova. Decades later, the core collapse of a massive star led to supernova SN 2007c.

When Stars Explode Over 75 million light-years away in the constellation of Virgo (The Virgin) lies NGC 4981 — a spiral galaxy with a rather explosive past. NGC 4981 was discovered on 17 April 1784 by William Herschel, and subsequently documented in.