outer space

In this Hubble Space Telescope view, the Horsehead Nebula, a popular target for amateur astronomers, appears in infrared wavelengths. The nebula, shadowy in optical light, appears transparent and ethereal when seen in the infrared, represented here with visible shades. The rich tapestry of the Horsehead Nebula pops out against the backdrop of Milky Way stars and distant galaxies that are […]