Helix Nebula in Infrared
An infrared image of the impressive Helix Nebula, from the robotic Spitzer Space Telescope.
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An infrared image of the impressive Helix Nebula, from the robotic Spitzer Space Telescope.
Spotted by NASA’s Dawn spacecraft, this peculiar conical lonely mountain on Ceres from a distance of 915 miles (1,470 kilometers), stands 4 miles (6 kilometers) high.
Chandra Celebrates the International Year of Light. In this image, an expanding shell of debris called SNR 0519-69.0 is left behind after a massive star exploded in