<p class="c0"><strong>This Hubble Space Telescope shot of the&nbsp;<a class="c17" href="http://www.space.com/16528-horsehead-nebula.html">Horsehead Nebula</a>, released April 19,&nbsp;was taken in celebration of the telescope's 23rd anniversary. Pictured in infrared wavelengths for the first time, the Horsehead is part of the larger constellation Orion.</strong></p><p class="c0">The nebula is relatively close—just 1,500 light-years from Earth—which makes it a favorite for space photography focused on the formation of new stars. NASA scientists anticipate that despite Hubble's crystal-clear view, the new&nbsp;<a class="c17" href="http://www.jwst.nasa.gov/">James Webb Space Telescope</a> that will launch in 2018 will provide even more detailed views. (<a class="c17" href="http://ngm.nationalgeographic.com/2013/01/125-space-exploration/folger-text">Read about travel to the stars in </a><a class="c17" href="http://ngm.nationalgeographic.com/2013/01/125-space-exploration/folger-text"><em>National Geographic</em></a><a class="c17" href="http://ngm.nationalgeographic.com/2013/01/125-space-exploration/folger-text"> magazine.</a>)</p><p class="c0">—<em>Dan Stone</em></p>

Horsehead Nebula Portrait

This Hubble Space Telescope shot of the Horsehead Nebula, released April 19, was taken in celebration of the telescope's 23rd anniversary. Pictured in infrared wavelengths for the first time, the Horsehead is part of the larger constellation Orion.

The nebula is relatively close—just 1,500 light-years from Earth—which makes it a favorite for space photography focused on the formation of new stars. NASA scientists anticipate that despite Hubble's crystal-clear view, the new James Webb Space Telescope that will launch in 2018 will provide even more detailed views. (Read about travel to the stars in National Geographic magazine.)

Dan Stone

Image courtesy STScI/AURA/ESA/NASA

Space Pictures This Week: Nebulae, Rockets, and a New Earth

The Horsehead glows and Earth gets another twin in this week's best space pictures.

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