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Astronomy Picture of the Day Archive - B -

March 24 1998: A Baby Galaxy
2006 August 30: A Backward Sunspot and the New Solar Cycle
April 14 1999: The Backyard Universe
2008 April 21: Bacteriophages: The Most Common Life Like Form on Earth
2008 August 18: Baily's Beads near Solar Eclipse Totality
2012 November 11: Bailys Beads near Solar Eclipse Totality
2001 July 06: Bakasa Eclipse Sequence
2012 December 08: Baku Moonrise
2002 February 01: Balloon TIGER
July 08 1997: Barnacle Bill And Sojourner
2013 January 19: Barnard Stares at NGC 2170
2005 April 20: Barnard's Loop Around Orion
2009 February 24: Barnard's Loop around the Horsehead Nebula
2006 April 17: Barnard's Loop around the Horsehead Nebula
2007 March 14: Barred Spiral Galaxy M95
2012 February 20: Barred Spiral Galaxy NGC 1073
2012 March 25: Barred Spiral Galaxy NGC 1300
2008 June 22: Barred Spiral Galaxy NGC 1300
2006 August 27: Barred Spiral Galaxy NGC 1300
2005 January 12: Barred Spiral Galaxy NGC 1300
2000 October 04: Barred Spiral Galaxy NGC 1300
May 19 1997: Barred Spiral Galaxy NGC 1365
2007 April 18: Barred Spiral Galaxy NGC 1672
2001 March 21: Barred Spiral Galaxy NGC 2903
2009 December 28: Barred Spiral Galaxy NGC 6217
2005 August 25: Barred Spiral Milky Way
January 03 1998: The Barren Moon
October 31 1996: The Barren Moon
July 11 1999: Barringer Crater on Earth
November 17 1997: Barringer Crater on Earth
2001 March 31: Barsoom
April 24 1999: Barsoom
June 28 1997: Barsoom
July 17 1995: Barsoom
2014 January 20: Baryon Acoustic Oscillations from SDSS III
October 31 1998: Bats And The Barren Moon
2000 June 28: BATSE GRB Final Sky Map
October 01 1996: BATSE's Biggest Gamma Ray Burst (Yet)
2008 February 08: The Bay of Rainbows
2006 September 19: Beagle Crater on Mars
2007 December 28: A Beautiful Boomerang Nebula
2008 October 22: Beautiful Spiral NGC 7331
2011 May 13: A Beautiful Trifid
2009 May 30: A Beautiful Trifid
2005 May 26: A Beautiful Trifid
2003 September 01: A Beautiful Trifid
2013 July 25: The Beautiful Trifid
2002 December 17: Beefing Up the International Space Station
July 31 1997: Behind CL1358+62: A New Farthest Object
2003 March 30: Beijing Ancient Observatory
May 06 1998: Beijing Ancient Observatory
2005 August 09: The Belt of Venus over Elwood Beach
2012 February 07: The Belt of Venus Over Mercedes Argentina
2010 April 04: The Belt of Venus over the Valley of the Moon
2006 July 23: The Belt of Venus over the Valley of the Moon
2003 October 21: The Belt of Venus over the Valley of the Moon
2001 December 09: The Belt of Venus
November 10 1999: The Belt of Venus
January 23 1996: Beneath Jupiter's Clouds
2008 October 27: Beneath the South Pole of Saturn
November 28 1999: Beneath Venus Clouds
September 24 1996: Beneath Venus' Clouds
2004 April 05: A Berry Bowl of Martian Spherules
November 28 1997: Beta Pictoris Revisited
2009 August 05: Betelgeuse Resolved
June 05 1999: Betelgeuse, Betelgeuse, Betelgeuse
February 16 1997: Betelgeuse, Betelgeuse, Betelgeuse
January 22 1996: Betelgeuse, Betelgeuse, Betelgeuse
April 19 1998: Betelgeuse
2003 January 27: BHR 71: Stars, Clouds, and Jets
2004 December 25: Big Beautiful Saturn
2000 January 19: A Big Black Hole Floats By
2003 April 26: Big Blue Marble Earth
February 18 1997: A Big Cliff On Jupiter's Callisto
2009 July 26: The Big Corona
2001 April 08: The Big Corona
September 15 1999: The Big Corona
2005 February 18: Big Dipper Castle
2006 March 17: The Big Dipper Cluster
2013 April 21: The Big Dipper
2011 June 24: The Big Dipper
2007 January 08: The Big Dipper
2006 November 29: A Big Dish at the VLA Radio Observatory
2003 August 27: Big Mars from Hubble
2009 April 11: The Big Picture
April 21 1997: Big Sky Comet
2001 January 15: Billows of Smog in the Outer Galaxy
2010 March 14: Binary Black Hole in 3C 75
2006 April 12: Binary Black Hole in 3C 75
2013 May 27: Bird Sun Dog
2008 August 11: Black Hole Candidate Cygnus X-1
March 05 1996: A Black Hole in M87's Centre?
April 05 1997: A Black Hole in M87?
2012 November 02: The Black Hole in the Milky Way
January 15 1997: Black Hole Signature From Advective Disks
January 14 1997: Black Holes and Galactic Centres
2001 January 19: Black Holes Are Black
October 17 1999: Black Holes in Galactic Centres
2010 May 29: Black Holes in Merging Galaxies
2012 October 15: Black Sun and Inverted Starfield
June 09 1996: Blasting Off From the Moon
December 13 1998: Blasting Off from the Moon
2008 February 18: BLG 109: A Distant Version of our own Solar System
2009 August 13: Block Island Meteorite on Mars
2010 April 27: The Bloop: A Mysterious Sound from the Deep Ocean
2014 July 15: A Blue Bridge of Stars between Cluster Galaxies
2007 March 20: A Blue Crescent Moon from Space
2002 January 09: Blue Flash
November 12 1995: Blue Jet Lightning
2006 August 25: Blue Lagoon
2000 April 20: Blue Marble 2000
2012 January 30: Blue Marble Earth from Suomi NPP
2010 January 02: Blue Moon Eclipse
2005 February 11: Blue Saturn
November 21 1996: The Blue Snowball Planetary Nebula
November 04 1997: Blue Stagglers in Globular Clusters
July 18 1997: Blue Stars and Red Pillars
2012 April 09: Blue Straggler Stars in Globular Cluster M53
2000 June 22: Blue Stragglers In NGC 6397
2003 August 08: Blue Stragglers in NGC 6397
2009 November 04: Blue Sun Bristling
2013 May 20: Blue Sun Bursting
January 06 1997: Blue Sun Glaring
2009 January 20: Bonestell Panorama from Mars
2000 May 03: BOOMERANG Images The Early Universe
2005 September 14: The Boomerang Nebula in Polarized Light
June 06 1997: Boosting Compton
2011 March 24: Boston Moonrise
May 22 1997: Bound For Mars
2004 May 19: Brain Crater on Mars
2009 January 04: Breaking Distant Light
2002 March 19: Breaking Distant Light
2008 October 11: Bright Bolide
2006 September 05: Bright Cliffs Across Saturns Moon Dione
May 21 1998: Bright Comet SOHO
2006 July 07: Bright Galaxy M81
2002 June 20: Bright Galaxy M81
2007 July 06: Bright Galaxy NGC 2903
2012 November 27: Bright Jupiter in Taurus
November 19 1998: Bright Leonids
2003 August 18: Bright Lights, Dark City
August 20 1997: Bright Meteor, Dark Sky
2009 October 17: Bright Nebulae in M33
2013 August 26: Bright Planetary Nebula NGC 7027 from Hubble
2012 March 16: Bright Planets at McMath-Pierce Solar Telescope
2007 October 11: Bright Planets, Crescent Moon
2010 April 16: Bright Points on the Quiet Sun
2007 May 29: Bright Spiral Galaxy M81 from Hubble
2007 May 15: Bright Spiral Galaxy M81 in Ultraviolet from Galex
2014 November 19: Bright Spiral Galaxy M81
June 02 1997: Bright Star Knots in NGC 4038
2006 June 19: Bright Star Regulus near the Leo 1 Dwarf Galaxy
2012 January 10: Bright Star Regulus near the Leo I Dwarf Galaxy
September 25 1996: Bright Stars and Dark Clouds
2001 November 03: Bright Stars, Dim Galaxy
October 14 1996: Bright Stars, Dim Galaxy
2009 November 30: Bright Sun and Crescent Earth from the Space Station
2014 January 24: Bright Supernova in M82
2001 March 08: Bright Venus
2001 June 25: A Brighter Comet LINEAR
2010 August 27: Brighter Than Mars
October 08 1997: The Brightest Star Yet Known
2014 May 01: Brisbane Sunset Moonset
2013 March 30: The Broad Tail of PanSTARRS
March 24 1999: Brown Dwarf Gliese 229B
2000 August 30: The Brown Dwarfs of Orion's Trapezium
2000 January 10: Brown Sun Bubbling
2013 October 08: The Bubble and M52
2011 September 14: The Bubble and M52
2009 October 30: The Bubble and M52
2008 November 13: A Bubble in Cygnus
2003 June 17: The Bubble Nebula from NOAO
2014 October 02: The Bubble Nebula
2013 December 14: The Bubble Nebula
2012 August 04: The Bubble Nebula
2010 September 02: The Bubble Nebula
2009 January 24: The Bubble Nebula
2004 July 16: The Bubble
January 02 1997: Bubbles and Arcs in NGC 2359
2004 October 16: The Bubbling Cauldron of NGC 3079
2001 August 22: The Bubbling Cauldron of NGC 3079
2000 June 12: A Bubbling Galaxy Centre
2010 October 24: A Bucket Wheel Excavator on Earth
2006 November 22: A Bucket Wheel Excavator on Earth
2007 September 10: Building Galaxies in the Early Universe
2007 March 26: Bullet Pillars in Orion
March 30 1998: A Bulls Eye Einstein Ring
2001 August 02: Burning Tree Sprite
2006 August 04: Burns Cliff Anaglyph
2004 November 15: Burns Cliff on Mars
2005 August 03: The Busy Center of the Lagoon Nebula
2011 July 18: A Busy Space Walk at the Space Station
2014 October 01: The Butterfly Nebula from Hubble
2011 November 13: The Butterfly Nebula from Hubble
2009 September 10: The Butterfly Nebula from Upgraded Hubble
October 21 1997: The Butterfly Planetary Nebula
2000 November 28: BZ Cam Bow Shock