Kepler's Diagram illustrating the Kepler Conjecture — From Strena Seu de Nive Sexangula Photo Credit: By Johannes Kepler - http://www.math.sunysb.edu/~tony/whatsnew/column/pennies-1200/cass1.html, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1123076
Georg Cantor — early 1900s Photo Credit: By Unknown - http://i12bent.tumblr.com/post/3622180726/georg-cantor-german-mathematician-and-philosopher, Public Domain, https://commons.wikimedia.org/w/index.php?curid=15764397
Pierre Gassendi — Photo Credit: By Louis-Édouard Rioult - Œuvres complètes de Voltaire – le siècle de Louis XIV, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1478315
Mul.Alpin Tablet — dated 686 BC but likely compiled around 1000 BC Photo Credit: De Desconocido - http://images.math.cnrs.fr/Revue-de-presse-avril-2012.html?lang=fr, Dominio público, https://commons.wikimedia.org/w/index.php?curid=67955717
Mul.Alpin Tablet
dated 686 BC but likely compiled around 1000 BC
Mercury — Enhanced-color image of Mercury from first MESSENGER flyby. NASA/JPL.Edited version of Mercury in color - Prockter07.jpg by jjron. Photo Credit: By NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington - , Public Domain, https://commons.wikimedia.org/w/index.php?curid=24301424
Mercury
Enhanced-color image of Mercury from first MESSENGER flyby. NASA/JPL.Edited version of Mercury in color - Prockter07.jpg by jjron.
Mars — The first true color image of Mars taken by the OSIRIS instrument on the ESA Rosetta spacecraft during its February 2007 flyby of the planet. The image was acquired on 24 February 2007 at 19:28 CET from a distance of about 240 000 km; image resolution is about 5 km/pixel. Photo Credit: By ESA - European Space Agency & Max-Planck Institute for Solar System Research - http://www.esa.int/spaceinimages/Images/2007/02/True-colour_image_of_Mars_seen_by_OSIRIS, CC BY-SA 3.0-igo, https://commons.wikimedia.org/w/index.php?curid=56489423
Mars
The first true color image of Mars taken by the OSIRIS instrument on the ESA Rosetta spacecraft during its February 2007 flyby of the planet. The image was acquired on 24 February 2007 at 19:28 CET from a distance of about 240 000 km; image resolution is about 5 km/pixel.
Jupiter — Full-disc image of Jupiter taken on 21 April 2014 with Hubble's Wide Field Camera 3 (WFC3). Photo Credit: By NASA, ESA, and A. Simon (Goddard Space Flight Center) - http://www.spacetelescope.org/images/heic1410a/ or http://hubblesite.org/newscenter/archive/releases/2014/24/image/b/, Public Domain, https://commons.wikimedia.org/w/index.php?curid=32799232
Jupiter
Full-disc image of Jupiter taken on 21 April 2014 with Hubble's Wide Field Camera 3 (WFC3).
Full Moon — Full Moon photograph taken 10-22-2010 from Madison, Alabama, USA. Photographed with a Celestron 9.25 Schmidt-Cassegrain telescope. Acquired with a Canon EOS Rebel T1i (EOS 500D), 20 images stacked to reduce noise. 200 ISO 1/640 sec. Photo Credit: By Gregory H. Revera - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11901243
Full Moon
Full Moon photograph taken 10-22-2010 from Madison, Alabama, USA. Photographed with a Celestron 9.25 Schmidt-Cassegrain telescope. Acquired with a Canon EOS Rebel T1i (EOS 500D), 20 images stacked to reduce noise. 200 ISO 1/640 sec.
The Thomas Harriot Plaque in the grounds of Syon House (W. London) — Photo Credit: By The group organising the Telescope 400 event (July 2009) - I am a member. - The group organising the Telescope 400 event (July 2009), CC0, https://commons.wikimedia.org/w/index.php?curid=16380312
Thomas Harriot — Photo Credit: By Unknown - http://www.ecu.edu/cs-cas/images/harriot.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3994065