Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
The James Webb Space Telescope has captured incredibly sharp images of the Horsehead Nebula, one of the most iconic celestial bodies in the sky over Earth. The new images show the Horsehead Nebula as turbulent waves of gas rising from the western side of Orion B, a star-forming molecular cloud located 1,300 light-years from Earth in the an image of part of the Horsehead nebula as seen by the JWST's NIRCam instrument. another region visualised by The JWST instrument MIRI .
This won't last forever, though. Scientists estimate that in around 5 million years, even this pillar of denser matter will be gone. , G. Anselmi, NASA, ESA, and the Hubble Heritage Team , ESA/Webb, CSA, K. Misselt and A. Abergel , M. Zamani )instrument was able to capture a small portion of the Horsehead Nebula close-up. This results in it appearing as a curved wall of thick, smoky gas and dust with distant stars and galaxies over it.
The Horsehead Nebula is a photon-dominated region , an area of space where young massive stars warm up the gas and dust between stars. These cold clouds exist between hotter ionized gas closer to the. In PDRs, these stars impact the chemistry of this gas and dust with their ultraviolet light emissions. PDRs are found between stars where gas is dense enough to resist ionization but is still not too dense to allow ultraviolet light to pass through it.
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