File:NASA’s Webb Telescope Will Investigate Cosmic Jets From Young Stars (44965906765).jpg

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Description	How does a star like our Sun form? Let’s start with the basics: It’s a messy process shrouded in dust. The James Webb Space Telescope will penetrate that dusty veil, revealing supersonic jets that blast across light-years of space like cosmic firehoses, and the resulting shock waves that pummel the gas and dust between the stars. Read the full story: www.nasa.gov/feature/goddard/2018/nasa-s-webb-telescope-w... Image: A pair of jets protrude outwards in this infrared image of Herbig-Haro 212 (HH 212), taken by the European Southern Observatory’s Very Large Telescope. Webb’s high resolution and sensitivity will allow astronomers to examine objects like this in greater detail than ever before. Credits: ESO/M. McCaughrean NASA Image Use Policy Follow us on Twitter Like us on Facebook Subscribe to our YouTube channel Follow us on Instagram
Date	14 November 2018, 09:40
Source	NASA’s Webb Telescope Will Investigate Cosmic Jets From Young Stars
Author	NASA's James Webb Space Telescope from Greenbelt, MD, USA

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This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/44965906765. It was reviewed on 7 June 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

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Credit/Provider	ESO/M. McCaughrean
Source	European Southern Observatory
Image title	A pair of jets protrude outwards in near-perfect symmetry in this image of Herbig-Haro object (HH) 212, taken by ESO’s already decommissioned Infrared Spectrometer And Array Camera (ISAAC). The object lies in the constellation of Orion (The Hunter) in a dense molecular star-forming region, not far from the famous Horsehead Nebula. In regions like this, clouds of dust and gas collapse under the force of gravity,spinning faster and faster and becoming hotter and hotter until a young star ignites at the cloud’s centre. Any leftover material swirling around the newborn protostar comes together to form an accretion disc that will, under the right circumstances, eventually evolve to form the base material for the creation of planets, asteroids and comets. Although this process is still not fully understood, it is common that a protostar and its accretion disc, as seen here edge-on, are the cause of the jets in this image. The star at the centre of HH 212 is indeed a very young star, at only a few thousand years old. Its jets are remarkably symmetric, with several knots appearing at relatively stable intervals. This stability suggests that the jet pulses vary quite regularly, and over a short timescale — maybe even as short as 30 years! Further out from the centre, large bow shocks spread out into interstellar space, caused by ejected gas colliding with dust and gas at speeds of several hundred kilometres per second.
Short title	Outbursts from a newborn star
Usage terms	Creative Commons Attribution 4.0 International License
Date and time of data generation	10:00, 12 October 2015
Width	1,548 px
Height	963 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS5 Windows
File change date and time	09:40, 14 November 2018
Color space	sRGB
Date and time of digitizing	11:03, 29 October 2012
Date metadata was last modified	04:40, 14 November 2018
Unique ID of original document	xmp.did:8c57f991-092a-2849-a097-1c6991bdff1c
Copyright status	Copyright status not set
Keywords	HH 212
Contact information	http://www.eso.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany
IIM version	4

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