November 19, 2013
Stars, like bees, swarm around the center of bright globular cluster M15. This ball of over 100,000 stars is a relic from the early years of our Galaxy, and continues to orbit the Milky Way’s center. M15, one of about 170 globular clusters remaining, is noted for being easily visible with only binoculars, having at its center one of the densest concentrations of stars known, and containing a high abundance of variable stars and pulsars. Released only recently, this sharp image taken by the Earth-orbiting Hubble Space Telescope spans about 120 light years. It shows the dramatic increase in density of stars toward the cluster’s center. M15 lies about 35,000 light years away toward the constellation of the Winged Horse (Pegasus). (via Astronomy Picture of the Day)

Stars, like bees, swarm around the center of bright globular cluster M15. This ball of over 100,000 stars is a relic from the early years of our Galaxy, and continues to orbit the Milky Way’s center. M15, one of about 170 globular clusters remaining, is noted for being easily visible with only binoculars, having at its center one of the densest concentrations of stars known, and containing a high abundance of variable stars and pulsars. Released only recently, this sharp image taken by the Earth-orbiting Hubble Space Telescope spans about 120 light years. It shows the dramatic increase in density of stars toward the cluster’s center. M15 lies about 35,000 light years away toward the constellation of the Winged Horse (Pegasus). (via Astronomy Picture of the Day)

July 1, 2013
the Small Magellanic Cloud, a dwarf galaxy close to the Milky Way
(NatGeo)

the Small Magellanic Cloud, a dwarf galaxy close to the Milky Way

(NatGeo)

June 21, 2013
"With an estimated surface temperature of about 250,000 degrees C, the dying central star of [the Butterfly Nebula] has become exceptionally hot, shining brightly in ultraviolet light but hidden from direct view by a dense torus of dust."
(NASA)

"With an estimated surface temperature of about 250,000 degrees C, the dying central star of [the Butterfly Nebula] has become exceptionally hot, shining brightly in ultraviolet light but hidden from direct view by a dense torus of dust."

(NASA)

December 17, 2011
Milky Way above the Himalayas - Anton Jankovoy
submission from titanpersaeus

Milky Way above the Himalayas - Anton Jankovoy

submission from titanpersaeus

December 16, 2011
The collision between the Antennae galaxies, which are located about 62 million light-years from Earth, began more than 100 million years ago and is still occurring. Credit: NASA, ESA, SAO, CXC, JPL-Caltech, and STScI
submission from wisdomrising

The collision between the Antennae galaxies, which are located about 62 million light-years from Earth, began more than 100 million years ago and is still occurring. Credit: NASA, ESA, SAO, CXC, JPL-Caltech, and STScI

submission from wisdomrising

November 22, 2011
spaceweather.com
(submission from eatgeekstudy)

spaceweather.com

(submission from eatgeekstudy)

November 17, 2011
Orion above my hometown. 
Sande, Norway. 
(submission from questionlife)

Orion above my hometown. 

Sande, Norway. 

(submission from questionlife)

November 7, 2011
Early in the 20th century, GK Persei briefly became one of the brightest stars in planet Earth’s sky, an event known as Nova Persei 1901. Documented in this modern day composite of two images from 2003 and 2011 the ejecta from the explosion, popularly called the Firework Nebula, continues to expand into space. (via APOD: 2011 November 5 - GK Per: Nova of 1901)

Early in the 20th century, GK Persei briefly became one of the brightest stars in planet Earth’s sky, an event known as Nova Persei 1901. Documented in this modern day composite of two images from 2003 and 2011 the ejecta from the explosion, popularly called the Firework Nebula, continues to expand into space. (via APOD: 2011 November 5 - GK Per: Nova of 1901)

October 13, 2011
crab nebula again!

crab nebula again!

October 13, 2011
crab nebula!

crab nebula!

October 13, 2011
the ALMA telescope’s new view of the antennae galaxies, combined with data from the Hubble Space Telescope

the ALMA telescope’s new view of the antennae galaxies, combined with data from the Hubble Space Telescope

September 27, 2011

Although the northern lights display wasn’t at first visible to the naked eye, photographer P-M Hedén captured a faint green “aurorabow” in long-exposure pictures snapped September 9 from Vallentuna, 18.6 miles (30 kilometers) north of Stockholm, Sweden.
…
The composite picture shows not only the faint green aurora but also moonlit clouds, circular star trails, and the path of an airplane coming in for a landing at Stockholm-Arlanda Airport.

Although the northern lights display wasn’t at first visible to the naked eye, photographer P-M Hedén captured a faint green “aurorabow” in long-exposure pictures snapped September 9 from Vallentuna, 18.6 miles (30 kilometers) north of Stockholm, Sweden.

The composite picture shows not only the faint green aurora but also moonlit clouds, circular star trails, and the path of an airplane coming in for a landing at Stockholm-Arlanda Airport.

August 30, 2011

As seen in a recently released NASA/ESA Hubble Space Telescope picture, the galaxy NGC 2146 has one of its spiral arms bent at a 45-degree angle, so that the dense limb has looped in front of the galaxy’s core, as seen from Earth.
The most likely explanation is that the gravity of an unidentified nearby galaxy is disturbing NGC 2146’s arm, causing the galaxy to warp.

As seen in a recently released NASA/ESA Hubble Space Telescope picture, the galaxy NGC 2146 has one of its spiral arms bent at a 45-degree angle, so that the dense limb has looped in front of the galaxy’s core, as seen from Earth.

The most likely explanation is that the gravity of an unidentified nearby galaxy is disturbing NGC 2146’s arm, causing the galaxy to warp.

August 29, 2011

Star trails swirl through candy-colored auroras in a sweet new view of Sugar Lake in British Columbia, Canada, released this week.
Taken in July, the long-exposure picture illustrates how stars seem to rotate around what’s known as the celestial north pole, an imaginary point in the sky closest to the star Polaris—the dot of light at top left—that seems to intersect Earth’s axis of rotation.

Star trails swirl through candy-colored auroras in a sweet new view of Sugar Lake in British Columbia, Canada, released this week.

Taken in July, the long-exposure picture illustrates how stars seem to rotate around what’s known as the celestial north pole, an imaginary point in the sky closest to the star Polaris—the dot of light at top left—that seems to intersect Earth’s axis of rotation.

June 27, 2011
It’s the dim star, not the bright one, near the center of NGC 3132 that created this odd but beautiful planetary nebula. Nicknamed the Eight-Burst Nebula and the Southern Ring Nebula, the glowing gas originated in the outer layers of a star like our Sun. In this representative color picture, the hot blue pool of light seen surrounding this binary system is energized by the hot surface of the faint star. Although photographed to explore unusual symmetries, it’s the asymmetries that help make this planetary nebula so intriguing. Neither the unusual shape of the surrounding cooler shell nor the structure and placements of the cool filamentary dust lanes running across NGC 3132 are well understood.

It’s the dim star, not the bright one, near the center of NGC 3132 that created this odd but beautiful planetary nebula. Nicknamed the Eight-Burst Nebula and the Southern Ring Nebula, the glowing gas originated in the outer layers of a star like our Sun. In this representative color picture, the hot blue pool of light seen surrounding this binary system is energized by the hot surface of the faint star. Although photographed to explore unusual symmetries, it’s the asymmetries that help make this planetary nebula so intriguing. Neither the unusual shape of the surrounding cooler shell nor the structure and placements of the cool filamentary dust lanes running across NGC 3132 are well understood.