Comet ISON streaming towards the Sun. At its closest approach on Thanksgiving Day 2013, it will be just 730,000 miles above the sun's surface. (Image Credit: ESA/NASA/SOHO) This image comes from SOHO, the Solar and Heliospheric Observatory - the comet is in the lower right. Mona Evans, "Comets"

Bright, brighter, brightest: these views of Comet ISON after its closest approach to the sun Nov. 28 show that a small part of the nucleus may have survived the encounter. Images from the Solar and Heliospheric Observatory. (Credit: ESA/NASA/SOHO/GSFC) Mona Evans, "Comets"

El nacimiento de estrellas en Flame Nebula

Comet ISON May Have Survived | NASA

Comet Lovejoy, Earth's Horizon (NASA, International Space Station, 12/22/11)

El transito de Venus delante del Sol en 2004. La gota negra en el disco solar se verá de nuevo este 5 de junio

Comet Lovejoy

This image of the Transantarctic Mountains was taken from the NASA P-3 airborne laboratory on Nov. 27

STEREO Watches Comet ISON, Nov. 20-25, 2013

A view of Earth from The Moon taken by NASA.

Apollo 11 launch

NASA's NEOWISE Images Comet C/2014 Q2 (Lovejoy)

The Horsehead Nebula (IC 434) Bill Snyder (USA), Deep Space: winner The Horsehead Nebula is one of the most photographed objects in the night sky, but this image draws the eye down to the creased and folded landscape of gas and dust at its base rather than focusing solely on the silhouette of the horse head

NASA's Incredible Shot Of The Sahara Dessert From Space | Image brought to you courtesy of | Cosmic Streams of Consciousness

Comet Lovejoy as observed from the ISS, by Dutch astronaut and physician André Kuipers.

Expedition 38 Lifts Off The Soyuz TMA-11M rocket is launched with Expedition 38 Soyuz Commander Mikhail Tyurin of Roscosmos, Flight Engineer Rick Mastracchio of NASA and Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency onboard, Thursday, Nov. 7, 2013, at the Baikonur Cosmodrome in Kazakhstan (Nov. 6 in the U.S.). Tyurin, Mastracchio, and, Wakata will spend the next six months aboard the International Space Station.

NASA - A View of Mercury From Afar

Comet C/2013 A1 as seen by NASA's Hubble Space Telescope

Farewell, Atlantis (NASA, International Space Station, 07/19/11) by NASA's Marshall Space Flight Center

An active region of the sun just rotating into the view of NASA's Solar Dynamics Observatory gives a profile view of coronal loops over abou...

NASA - An Astronaut's View from Station