POLARIZED PHOTOMICROGRAPH Credit Marek Ms LEVISTICUM Credit Marek

POLARIZED PHOTOMICROGRAPH Credit: Marek Mís

LEVISTICUM Credit: Marek Mís

VOLVOX Credit: Frank Fox, www. mikro-foto. de

VORTICELLA Credit: Frank Fox, www. mikro-foto. de

MOUSE RETINA Credit: National Institute of General Medical Sciences (NIGMS)

ASTROCYTE BRAIN CELLS Credit: Nancy Kedersha / Science Photo Library

WHITE MATTER FIBERS OF BRAIN Credit: Alfred Pasieka, www. alfred-pasieka. de

MICROGRAPH OF ALGAE AND MOSS Credit: Marek Mís

BLUELINE SNAPPER – Andaman Sea, Thailand Credit: Georgette Douwma / Science Photo Library

BIOLUMINESCENCE – Gippsland Lakes, Victoria, Australia Credit: Phil Hart

FLIGHT PATH OF FIREFLIES – Outside Okayama City, Japan Credit: Tsuneaki Hiramatu

MONARCH BUTTERFLIES – California, USA Credit: J L Spaulding, creative commons license

SUNFLOWERS – North Dakota, USA Credit: USDA

BLUEBELLS – Buckinghamshire, England Credit: Sue Vincent

BLUE SKIES – Guanajuato, Mexico Credit: © Tomas Castelazo, www. tomascastelazo. com / Wikimedia Commons / CC-BY-SA-3. 0

RAINBOW LANDS ON COW – New Zealand Credit: Lisa & Jeffrey Smith

SUN DOGS AND HALO AROUND SETTING SUN – Iowa, USA Credit: Thomas De. Hoff

22 -DEGREE HALO, BROKEN – Harz, Germany Credit: Lars 0001 / Wikimedia Commons

LAKE REFLECTIONS – Tso Moriri Lake, India Credit: Prabhu B Doss

SANDSTONE MESA WITH RAINBOW – Utah, USA Credit: David Parker / Science Photo Library

RED SUNSET – Windward Islands, French Polynesia Credit: J L Spaulding, creative commons license

SUNSET (LENSING) – Iowa, USA Credit: Thomas De. Hoff

SHADOWS OF ANTELOPE CANYON – Arizona, USA Credit: J L Spaulding, creative commons license

SUN RAYS OVER IOWA – Iowa, USA Credit: Thomas De. Hoff

PINK AND PURPLE SUNSET – Rhode Island, USA Credit: Richard F Staples, Jr.

SUNSET – China Credit: U. S. Navy photo by Cmdr. Ed Thompson

LIGHTS OVER DUBLIN – Wales, UK & Dublin, Ireland Credit: Colin Legg

LIGHTNING OVER ST. LAURENT RIVER – Quebec, Canada Credit: Jp Marquis

LIGHTNING STRIKES – Dubai, United Arab Emirates Credit: Michael Shainblum

FIREWORKS – Perth, Western Australia Credit: Colin Legg

LIGHTBULBS IN X-RAY LIGHT Credit: Dr. Paula Fontaine, www. Radiant. Art. Studios. com

SOLAR PANELS – Colorado, USA Credit: Dennis Schroeder / NREL

CAR HEADLIGHTS – Belfort, France Credit: Thomas Bresson, https: //www. flickr. com/people/36519414@N 00

LASERS IN THE SKY – Atacama Desert, Chile Credit: ESO / Babak Tafreshi

WELCOME TO THE GRID – Utah, USA Credit: NASA / Johnson Space Center

AURORA BOREALIS – Alaska, USA Credit: US Air Force, Senior Airman Joshua Strang

AURORA BOREALIS – Iowa, USA Credit: Stan Richard, nightskyevents. com

NOCTILUCENT CLOUDS – California, USA Credit: NASA

LENTICULAR CLOUDS – South Georgia Credit: Serge Ouachée

WEATHER ILLUMINATED – Hurricane Isabel, Atlantic Ocean Credit: NASA / JSC / Mike Trenchard

COMET HALE-BOPP – New York, USA Credit: Donald Lubowich

GEMINID METEOR – Mojave Desert, USA Credit: Wally Pacholka / Astro. Pics. com

VENUS IN TRANSIT - Leipzig, Germany Credit: Phil Hart

STARDUST – California, USA Credit: Michael Shainblum

THE MILKY WAY – Hawaii, USA Credit: Rogelio Bernal Andreo / Deep. Sky. Colors. com / Ciel et Espace

THE MILKY WAY – Hawaii, USA Credit: Rogelio Bernal Andreo / Deep. Sky. Colors. com / Ciel et Espace

EARTH LIGHTS FROM SPACE STATION Credit: NASA / Johnson Space Center

THE THIN BLUE LINE Credit: NASA

SUNRISE FROM SPACE Credit: NASA / Johnson Space Center

EARTH AT NIGHT Credit: Marc Imhoff, Craig Mayhew, Robert Simmon / NASA Goddard Space Flight Center, Christopher Elvidge / NOAA, NGDC

EARTH GLOBE NORTH AMERICA Credit: Reto Stöckli for the NASA GSFC Earth Observatory

EARTH GLOBE ASIA Credits: Data-AVHRR, NDVI, Seawifs, MODIS, NCEP, DMSP and Sky 2000 star catalog; AVHRR and Seawifs texture-Reto Stockli; Visualization-Marit Jentoft-Nils

EARTH GLOBE AFRICA & EUROPE Credit: NASA

COMET HALE-BOPP – 655 light seconds from Earth Credit: Dan Schechter

FULL MOON – 1. 25 light seconds from Earth Credit: Jean-Luc Dauvergne / Ciel Et Espace

LUNAR ECLIPSE – 1. 25 light seconds from Earth Credit: Akira Fujii / Ciel et Espace

TOTAL SOLAR ECLIPSE – 8. 3 light minutes from Earth Credit: Dan Schechter

ULTRAVIOLET VIEW OF SUN – 8. 3 light minutes from Earth Credit: NASA / SDO

SUNSET ON MARS – 12. 7 light minutes from Earth Credit: NASA / JPL / Texas A&M / Cornell

RHO OPHIUCHI AND ANTARES – 520 light years from Earth Credit: ANGLO / Australian Observatory / David Malin

HELIX NEBULA – 650 light years from Earth Credit: ESO

ORION NEBULA – 1, 500 light years from Earth Credit: ESO / J. Emerson / VISTA. Acknowledgment: Cambridge Astronomical Survey Unit

EAGLE NEBULA – 7, 000 light years from Earth Credit: T. A. Rector / Univ. of Alaska Anchorage & B. A. Wolpa (NOAO / AURA / NSF)

CASSIOPEIA A – 11, 000 Light Years from Earth Credit: NASA / CXC / SAO

CENTER OF MILKY WAY – 26, 000 Light Years from Earth Credit: X-ray: NASA / CXC / Umass / D. Wang et al. ; Optical: NASA / ESA / STSc. I. ; IR: NASA / JPL-Caltech /S. Stolovy

NGC 602 – 180, 000 light years from Earth Credit: X-ray: NASA / CXC / Univ. Potsdam / L. Oskinova et al. ; Optical: NASA / STSc. I; Infrared: NASA / JPL-Caltech

ANTENNAE GALAXIES – 62 million light years from Earth Credit: NASA / ESA / Hubble Heritage Team (STSCI / AURA)

BULLET CLUSTER – 3. 8 billion light years from Earth Credit: X-ray: M. Markevitch for NASA/CXC/Cf. A; visible light by D. Clowe for NASA/STSc. I; Magellan/U. Arizona & ESO

COSMIC MICROWAVE BACKGROUND – 13. 7 billion light years from Earth Credit: NASA/WMAP Science Team