Explanation: Few cosmic
vistas excite the imagination like the Orion Nebula, an immense stellar nursery
some 1,500 light-years away. This stunning false-color view spans about 40
light-years across the region, constructed using infrared data from the Spitzer
Space Telescope. Compared to its visual wavelength appearance, the brightest
portion of the nebula is likewise centered on Orion's young, massive, hot
stars, known as the Trapezium Cluster. But the infrared image also detects the
nebula's many protostars, still in the process of formation, seen here in red
hues. In fact, red spots along the dark dusty filament to the left of the
bright cluster include the protostar cataloged as HOPS 68, recently found to
have crystals of the silicate mineral olivine within its protostellar envelope
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