NASA Astronomy Picture of the Day 2016 September 20 The Helix Nebula in Infrared What makes this cosmic eye look so red? The featured image from the robotic Spitzer Space Telescope shows infrared light from the well-studied Helix Nebula (NGC. Helix Nebula, Planetary Nebula, Orion Nebula, Andromeda Galaxy, Carina Nebula, Planetary System, Planetary Science, Sistema Solar, Cosmos
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