Astronomy Picture of the Day · 2011
APOD 2011
361 entries from 2011: 338 images and 23 videos. 184 carry a copyright notice from the credited creator.
December 31, 2011 Comet Lovejoy and the ISS
Image Credit: Left – Carlos Caccia , (Intendente Alvear, Argentina) / Right – Dan Burbank ( ISS Expedition 30 , NASA)
November 30, 2011 Curiosity Rover Lifts Off for Mars
Image Credit: NASA
October 31, 2011 Ghost of the Cepheus Flare
Image Credit & Copyright: Adam Block , Mt. Lemmon SkyCenter , University of Arizona
September 30, 2011 Cloudy Night of the Northern Lights
Image Credit & Copyright: Fredrick Broms ( Northern Lights Photography )
August 31, 2011 Roll Cloud Over Wisconsin
Image Credit: Megan Hanrahan ( Pierre cb ), Wikipedia
July 31, 2011 Metal on the Plains of Mars
Image Credit: Mars Exploration Rover Mission , JPL , NASAThumbnails are loaded from their original addresses. Images remain the property of the credited creators.
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December 2011 (31)
- Dec 31 Comet Lovejoy and the ISS
- Dec 30 The Diner at the Center of the Galaxy
- Dec 29 Conjunction at Sunset Copyrighted
- Dec 28 Comet Lovejoy over Paranal Copyrighted
- Dec 27 M27: The Dumbbell Nebula Copyrighted
- Dec 26 A Raging Storm System on Saturn
- Dec 25 M1: The Crab Nebula from Hubble
- Dec 24 Eclipsed Moon in the Morning Copyrighted
- Dec 23 Shell Galaxy NGC 7600 Copyrighted
- Dec 22 Through a Sun Tunnel Copyrighted
- Dec 21 A Horseshoe Einstein Ring from Hubble
- Dec 20 NGC 253: The Sculptor Galaxy Copyrighted
- Dec 19 A Geminid Meteor Over Iran Copyrighted
- Dec 18 Hints of Higgs from the LargeHadronCollider Copyrighted
- Dec 17 Comet Lovejoy: Sungrazing Survivor
- Dec 16 Red Moon Rising Copyrighted
- Dec 15 The Umbra of Earth Copyrighted
- Dec 14 A Lunar Eclipse Over an Indian Peace Pagoda Copyrighted
- Dec 13 In the Vicinity of the Cone Nebula Copyrighted
- Dec 12 An Unusual Vein of Deposited Rock on Mars
- Dec 11 Searching for Meteorites in Antarctica Copyrighted
- Dec 10 Vesta Rocks
- Dec 9 Eclipsed Moon in the Morning Copyrighted
- Dec 8 Sh2-239: Celestial Impasto Copyrighted
- Dec 7 Kepler 22b: An Almost Earth Orbiting an Almost Sun
- Dec 6 Jupiter Rotation Movie from Pic du Midi Video Copyrighted
- Dec 5 A Memorable Aurora Over Norway Copyrighted
- Dec 4 Light Echoes from V838 Mon
- Dec 3 As Above, So Below Copyrighted
- Dec 2 Solar Eclipse over Antarctica Copyrighted
- Dec 1 Young Moon Meets Evening Star Copyrighted
November 2011 (30)
- Nov 30 Curiosity Rover Lifts Off for Mars
- Nov 29 Across the Center of Centaurus A
- Nov 28 A Landslide on Asteroid Vesta
- Nov 27 Shuttle Plume Shadow Points to the Moon
- Nov 26 Pelican Nebula Close-up Copyrighted
- Nov 25 A Glimpse of CLIMSO Copyrighted
- Nov 24 Caught in the Afterglow
- Nov 23 The View from Chajnantor Copyrighted
- Nov 22 Leonid Fireball over Tenerife Copyrighted
- Nov 21 Around the World in 90 Minutes Video
- Nov 20 W5: Pillars of Star Formation Copyrighted
- Nov 19 In Wolf's Cave Copyrighted
- Nov 18 A Colorful Side of the Moon
- Nov 17 Pleiades to Hyades Copyrighted
- Nov 16 NGC 7822 in Cepheus Copyrighted
- Nov 15 Orange Sun Scintillating Copyrighted
- Nov 14 Waterfall, Moonbow, and Aurora from Iceland Copyrighted
- Nov 13 The Butterfly Nebula from Hubble
- Nov 12 Sunspot Castle Copyrighted
- Nov 11 In the Arms of M83
- Nov 10 RCW 86: Historical Supernova Remnant
- Nov 9 Asteroid 2005 YU55 Passes the Earth
- Nov 8 Jumping Sundogs Over Thunderclouds Video
- Nov 7 Star Forming Region S106
- Nov 6 Orange Sun Oozing Video Copyrighted
- Nov 5 GK Per: Nova of 1901 Copyrighted
- Nov 4 Edge-on NGC 3628 Copyrighted
- Nov 3 IC 59 and IC 63 in Cassiopeia Copyrighted
- Nov 2 NGC 7380: The Wizard Nebula Copyrighted
- Nov 1 Hammer Versus Feather on the Moon Video
October 2011 (31)
- Oct 31 Ghost of the Cepheus Flare Copyrighted
- Oct 30 White Rock Fingers on Mars
- Oct 29 Spiral Galaxy NGC 3370 from Hubble
- Oct 28 October Skylights Copyrighted
- Oct 27 Young Suns of NGC 7129 Copyrighted
- Oct 26 In, Through, and Beyond Saturn's Rings
- Oct 25 IC 1805: The Heart Nebula in HDR Copyrighted
- Oct 24 HH-222: The Waterfall Nebula
- Oct 23 Jupiter's Clouds from New Horizons
- Oct 22 Jupiter Near Opposition Copyrighted
- Oct 21 Clouds of Perseus Copyrighted
- Oct 20 Tails of Comet Garradd Copyrighted
- Oct 19 Draconid Meteors Over Spain Copyrighted
- Oct 18 Movie: Approaching Light Speed Video Copyrighted
- Oct 17 MACS 1206: A Galaxy Cluster Gravitational Lens
- Oct 16 A Picturesque Venus Transit Copyrighted
- Oct 15 NGC 4565: Galaxy on Edge Copyrighted
- Oct 14 MAGIC Star Trails Copyrighted
- Oct 13 The Color of IC 1795 Copyrighted
- Oct 12 Saturn: Shadows of a Seasonal Sundial
- Oct 11 NGC 7635: The Bubble Nebula Copyrighted
- Oct 10 A Strange Sunrise Over Argentina Copyrighted
- Oct 9 Nobels for a Strange Universe
- Oct 8 MESSENGER's First Day
- Oct 7 The Comet Hartley 2 Cruise Copyrighted
- Oct 6 M82: Starburst Galaxy with a Superwind Copyrighted
- Oct 5 Comet and CME on the Sun Video
- Oct 4 QR Codes: Not for Human Eyes
- Oct 3 Dark Matter Movie from the Bolshoi Simulation Video
- Oct 2 Tunguska: The Largest Recent Impact Event
- Oct 1 Asteroids Near Earth
September 2011 (30)
- Sep 30 Cloudy Night of the Northern Lights Copyrighted
- Sep 29 Cocoon Nebula Wide Field Copyrighted
- Sep 28 Violent Sunspot Group AR 1302 Unleashes a Flare
- Sep 27 Flying Over Planet Earth Video
- Sep 26 Dry Ice Pits on Mars
- Sep 25 A Large Tsunami Shock Wave on the Sun
- Sep 24 Mangaia's Milky Way Copyrighted
- Sep 23 September's Aurora Copyrighted
- Sep 22 Arp 272
- Sep 21 Pleiades Deep Field Copyrighted
- Sep 20 Kepler-16b: A Planet with Two Suns Video
- Sep 19 The South Pole of Asteroid Vesta
- Sep 18 A Sharp View of the Sun
- Sep 17 Spitzer's Orion
- Sep 16 September's Harvest Moon Copyrighted
- Sep 15 NGC 3521: Galaxy in a Bubble Copyrighted
- Sep 14 The Bubble and M52 Copyrighted
- Sep 13 Great Orion Nebulae Copyrighted
- Sep 12 Tisdale 2 Rock Formation on Mars
- Sep 11 On the Origin of Gold
- Sep 10 Rollback from GRAIL's Rocket Copyrighted
- Sep 9 Comet Garradd and the Coat Hanger Copyrighted
- Sep 8 Apollo 17 Site: A Sharper View
- Sep 7 SDSS J102915+172927: A Star That Should Not Exist
- Sep 6 M6: The Butterfly Cluster Copyrighted
- Sep 5 HH 47: A Young Star Jet Expands Video
- Sep 4 In the Shadow of Saturn
- Sep 3 Comet Garradd Passes Ten Thousand Stars
- Sep 2 Herschel Views the Milky Way
- Sep 1 M27: Not a Comet Copyrighted
August 2011 (31)
- Aug 31 Roll Cloud Over Wisconsin
- Aug 30 The Coldest Brown Dwarf
- Aug 29 Hickson 44 in Leo Copyrighted
- Aug 28 A Jet from Galaxy M87
- Aug 27 Hurricane Irene Forms Video
- Aug 26 A Young Supernova in the Nearby Pinwheel Galaxy
- Aug 25 Portrait of NGC 281 Copyrighted
- Aug 24 A Pileus Iridescent Cloud Over Ethiopia Copyrighted
- Aug 23 Aurora Over Greenland Copyrighted
- Aug 22 TrES-2b: Dark Planet
- Aug 21 The Fairy of Eagle Nebula
- Aug 20 Stereo Vesta
- Aug 19 Herschel's Cocoon
- Aug 18 A Sun Pillar Over Ontario Copyrighted
- Aug 17 Perseid Below
- Aug 16 Shapley 1: An Annular Planetary Nebula
- Aug 15 Rover Arrives at Endeavour Crater on Mars
- Aug 14 Tornado and Rainbow Over Kansas Copyrighted
- Aug 13 Castle and Meteor by Moonlight Copyrighted
- Aug 12 NGC 7331 and Beyond Copyrighted
- Aug 11 The Snows of Paranal Copyrighted
- Aug 10 The Summer Triangle Over Catalonia Copyrighted
- Aug 9 Juno Rockets Toward Jupiter Video
- Aug 8 Seasonal Dark Streaks on Mars
- Aug 7 MyCn18: An Hourglass Planetary Nebula
- Aug 6 Comet Garradd and Messier 15 Copyrighted
- Aug 5 A Summer Night's Dream Copyrighted
- Aug 4 A Dusty Iris Nebula Copyrighted
- Aug 3 The Leo Triplet Galaxies from VST
- Aug 2 Asteroid Vesta Full Frame
- Aug 1 Shuttle Reentry Streak from Orbit
July 2011 (31)
- Jul 31 Metal on the Plains of Mars
- Jul 30 A Tale of Two Hemispheres Copyrighted
- Jul 29 Gale Crater
- Jul 28 NGC 6188 and NGC 6164 Copyrighted
- Jul 27 Introducing Comet Garradd Copyrighted
- Jul 26 Galaxy NGC 474: Cosmic Blender Copyrighted
- Jul 25 Milky Way Over Abandoned Kilns
- Jul 24 A Flight of Helios
- Jul 23 NGC 2403 in Camelopardalis
- Jul 22 Pluto's P4
- Jul 21 Atlantis Farewell from Parkes Copyrighted
- Jul 20 Noctilucent Clouds Over Edmonton
- Jul 19 Vesta Vista
- Jul 18 A Busy Space Walk at the Space Station
- Jul 17 Lewin's Challenge: 360 Degree Star Trails Copyrighted
- Jul 16 Starry Night over Dubai Copyrighted
- Jul 15 NGC 3314: When Galaxies Overlap
- Jul 14 Neptune: Once Around
- Jul 13 Atlantis' Last Approach
- Jul 12 The Perseus Cluster of Galaxies Copyrighted
- Jul 11 A Total Lunar Eclipse Over Tajikistan Video Copyrighted
- Jul 10 A Milky Way Band Copyrighted
- Jul 9 Atlantis Reflection
- Jul 8 Saturn Storm Panoramas
- Jul 7 Arp 78: Peculiar Galaxy in Aries Copyrighted
- Jul 6 Sunrise at Tycho
- Jul 5 A Triangular Shadow of a Large Volcano Copyrighted
- Jul 4 Southern Ocean Sky Video Copyrighted
- Jul 3 Alpha Centauri: The Closest Star System
- Jul 2 Moon and Venus at Dawn Copyrighted
- Jul 1 VAR!
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June 2011 (30)
- Jun 30 Star Factory Messier 17
- Jun 29 Abell 2744: Pandora's Cluster of Galaxies
- Jun 28 Stardust and Betelgeuse
- Jun 27 Stars and Dust Across Corona Australis Copyrighted
- Jun 26 NGC 3132: The Eight Burst Nebula
- Jun 25 Eclipse over the Acropolis Copyrighted
- Jun 24 The Big Dipper Copyrighted
- Jun 23 Stereo Helene
- Jun 22 MESSENGER's Degas View
- Jun 21 Eclipsed Moonlight Copyrighted
- Jun 20 Last Roll Out of a NASA Space Shuttle Copyrighted
- Jun 19 The Regolith of Asteroid Eros
- Jun 18 Lightning Eclipse from the Planet of the Goats Copyrighted
- Jun 17 Eclipsed Moon in the Milky Way Copyrighted
- Jun 16 Mercury's Surface in Exaggerated Color
- Jun 15 Millions of Stars in Omega Centauri Copyrighted
- Jun 14 The Universe Nearby
- Jun 13 Views from Cassini at Saturn Video
- Jun 12 M64: The Sleeping Beauty Galaxy
- Jun 11 Supernovae in the Whirlpool Copyrighted
- Jun 10 The Sun Unleashed
- Jun 9 The Great Carina Nebula Copyrighted
- Jun 8 Space Shuttle and Space Station Photographed Together
- Jun 7 A Last Landing for Space Shuttle Endeavour
- Jun 6 Geometer's Playground Over Wyoming Copyrighted
- Jun 5 Another Nearby Supernova in the Whirlpool Galaxy Copyrighted
- Jun 4 Dawn's Grand Finale Copyrighted
- Jun 3 Midnight's Solar Eclipse Copyrighted
- Jun 2 Endeavour's Starry Night
- Jun 1 Earth Rotating Under Very Large Telescopes Video
May 2011 (29)
- May 31 Jets from Unusual Galaxy Centaurus A
- May 30 Last Panorama of the Spirit Rover on Mars
- May 29 Comet Between Fireworks and Lightning Copyrighted
- May 28 The Mileage of Light Copyrighted
- May 27 Messier Marathon Copyrighted
- May 25 Space Shuttle Rising
- May 24 Three Arches Above Utah Copyrighted
- May 23 An Unexpected Flare from the Crab Nebula
- May 22 Io: The Prometheus Plume
- May 21 Planets, Endeavour at Dawn Copyrighted
- May 20 A Journey Through the Night Sky Copyrighted
- May 19 NGC 253: Close Up
- May 18 The Last Launch of Space Shuttle Endeavour
- May 17 A Starry Night of Iceland
- May 16 Time Lapse Clouds and Sky Over the Canary Islands Video Copyrighted
- May 15 The Sombrero Galaxy from Hubble
- May 14 The Little Dipper Copyrighted
- May 13 A Beautiful Trifid Copyrighted
- May 12 Enceladus Looms
- May 11 The Southern Cliff in the Lagoon
- May 10 Gravity Probe B Confirms the Existence of Gravitomagnetism
- May 9 Wonder and Mystery above the Very Large Telescopes
- May 8 Shadow of a Martian Robot
- May 7 Dawn of the Planets Copyrighted
- May 6 Farther Along
- May 5 50 Years Ago: Freedom 7 Flies
- May 3 Globular Cluster M15 from Hubble
- May 2 Jupiter's Great Red Spot from Voyager 1
- May 1 Molecular Cloud Barnard 163 Copyrighted
April 2011 (29)
- Apr 30 Tycho's Supernova Remnant
- Apr 29 The Antennae Copyrighted
- Apr 28 Scintillating Copyrighted
- Apr 27 The Dark Tower in Scorpius Copyrighted
- Apr 26 Hydrogen in the LMC Copyrighted
- Apr 25 Monsters of IC 1396 Copyrighted
- Apr 24 The Cat's Eye Nebula from Hubble
- Apr 23 Shadows at the Lunar South Pole
- Apr 22 Virgo Cluster Galaxies Copyrighted
- Apr 21 Peculiar Galaxies of Arp 273
- Apr 20 Rio Morning Moonset Copyrighted
- Apr 19 The GRB 110328A Symphony
- Apr 17 View from Everest Copyrighted
- Apr 16 The Tadpoles of IC 410 Copyrighted
- Apr 15 Messier 101
- Apr 14 Young Stars in the Rho Ophiuchi Cloud
- Apr 13 Centaurus Radio Jets Rising
- Apr 12 50 Years Ago: Yuri's Planet
- Apr 11 Otherworldly Planet Rise Copyrighted
- Apr 10 Sunspot Loops in Ultraviolet
- Apr 9 Lunar Farside
- Apr 8 Echoes from the Depths of a Red Giant Star Copyrighted
- Apr 7 Planetary Nebula NGC 2438 Copyrighted
- Apr 6 M74: The Perfect Spiral Copyrighted
- Apr 5 The Milky Way Over Tenerife Copyrighted
- Apr 4 Verona Rupes: Tallest Known Cliff in the Solar System
- Apr 3 Giant Galaxy NGC 6872
- Apr 2 Endeavour Looking Up Copyrighted
- Apr 1 It's Raining on Titan Copyrighted
March 2011 (30)
- Mar 31 MESSENGER at Mercury
- Mar 30 NGC 5584: Expanding the Universe
- Mar 29 Kepler's Suns and Planets
- Mar 28 Time-Lapse Auroras Over Norway Video Copyrighted
- Mar 27 Valles Marineris: The Grand Canyon of Mars
- Mar 26 T Tauri and Hind's Variable Nebula Copyrighted
- Mar 25 Auroral Substorm over Yellowknife Copyrighted
- Mar 24 Boston Moonrise Copyrighted
- Mar 23 MWC 922: The Red Square Nebula Copyrighted
- Mar 22 NGC 6384: Spiral Beyond the Stars
- Mar 21 The CMB Cold Spot
- Mar 20 Parthenon Moon Copyrighted
- Mar 19 Messier 106 Copyrighted
- Mar 18 Mercury and Jupiter at Sunset Copyrighted
- Mar 17 Saturn's Serpent Storm Copyrighted
- Mar 16 Sideways Galaxy NGC 3628 Copyrighted
- Mar 15 Cassini Approaches Saturn Video Copyrighted
- Mar 14 Spacecrafts Streak Over Colorado Copyrighted
- Mar 13 A Mars Panorama from the Phoenix Lander
- Mar 12 Mare Orientale
- Mar 11 AE Aurigae and the Flaming Star Nebula Copyrighted
- Mar 10 Discovery in Twilight Copyrighted
- Mar 9 The International Space Station Expands Again
- Mar 8 Titan, Rings, and Saturn from Cassini
- Mar 6 Asteroids in the Distance
- Mar 5 Cooling Neutron Star
- Mar 4 NGC 6914 Nebulae
- Mar 3 Lunar Nearside
- Mar 2 NGC 1499: The California Nebula Copyrighted
- Mar 1 Discovery Visits the Space Station
February 2011 (28)
- Feb 28 Red Snow Moon Over Edmonton Copyrighted
- Feb 27 Saturn's Hyperion: A Moon with Odd Craters
- Feb 26 Shell Galaxies in Pisces Copyrighted
- Feb 25 NGC 4449: Close-up of a Small Galaxy
- Feb 24 NGC 1999: South of Orion Copyrighted
- Feb 23 The Solar System from MESSENGER
- Feb 22 Star Size Comparisons Video Copyrighted
- Feb 21 Milky Way Over Switzerland
- Feb 20 Mammatus Clouds Over Olympic Valley
- Feb 19 Spiral Galaxy NGC 2841 Close Up
- Feb 18 Planetary Nebula Project Copyrighted
- Feb 17 X-Class Flare
- Feb 16 Comet Tempel 1 from Stardust-NeXT Spacecraft
- Feb 15 The North America Nebula in Infrared
- Feb 14 The Rosette Nebula Copyrighted
- Feb 13 Ice Fishing for Cosmic Neutrinos
- Feb 12 Simeis 147: Supernova Remnant Copyrighted
- Feb 11 Star Colors in Orion Copyrighted
- Feb 10 Hanny's Voorwerp
- Feb 9 NGC 2174: Stars Versus Mountains
- Feb 8 Iridescent Clouds from the Top of the World Highway Copyrighted
- Feb 7 Sun 360: STEREO Captures Views of the Entire Sun
- Feb 6 An Anomalous SETI Signal Copyrighted
- Feb 5 Apollo 14: A View from Antares
- Feb 4 Zeta Oph: Runaway Star
- Feb 3 Six Worlds for Kepler-11
- Feb 2 Moon and Venus Over Switzerland Copyrighted
- Feb 1 Powers of Ten Video Copyrighted
January 2011 (31)
- Jan 31 Japan's Kounotori2 Supply Ship Approaches the Space Station
- Jan 30 Gibbous Europa Copyrighted
- Jan 29 Opportunity at Santa Maria Crater
- Jan 28 Tomorrow's picture:
- Jan 27 Hidden Treasures of M78
- Jan 26 The Whirlpool Galaxy in Infrared Dust
- Jan 25 The Rippled Red Ribbons of SNR 0509
- Jan 24 Phobos' South Pole from Mars Express Copyrighted
- Jan 23 Peekskill Fireball Video: Johnstown Video
- Jan 22 Polar Ring Galaxy NGC 660 Copyrighted
- Jan 21 Alnitak, Alnilam, Mintaka Copyrighted
- Jan 20 The Once and Future Stars of Andromeda Copyrighted
- Jan 19 Saturn Storm
- Jan 18 Kona Galaxy Garden Copyrighted
- Jan 17 Night and Day above Almost Planet Sounio Copyrighted
- Jan 16 Globular Star Cluster 47 Tuc Copyrighted
- Jan 15 A Total Eclipse at the End of the World Copyrighted
- Jan 14 Quadrantids over Qumis Copyrighted
- Jan 13 NGC 3521 Close Up
- Jan 12 The Seagull Nebula Copyrighted
- Jan 11 The Cosmic Web of the Tarantula Nebula Copyrighted
- Jan 10 A Sun Halo Beyond Stockholm Copyrighted
- Jan 9 The Antikythera Mechanism Copyrighted
- Jan 8 NGC 7293: The Helix Nebula Copyrighted
- Jan 7 Sunset, Moonset Copyrighted
- Jan 6 Sunrise, Moonrise Copyrighted
- Jan 5 Eclipsing the Sun Copyrighted
- Jan 4 A Green Flash from the Sun Copyrighted
- Jan 3 Winter Hexagon Over Stagecoach Colorado Copyrighted
- Jan 2 Looking Back at an Eclipsed Earth Copyrighted
- Jan 1 Fireworks Galaxy NGC 6946 Copyrighted
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Source
- Astronomy Picture of the Day — NASA Science, science.nasa.gov/apod/archive
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