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James Webb Space Telescope Will Hunt for Signs of Life on Exoplanets; First good pics 12th July 2022
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Michael Watson Send message Joined: 7 Feb 08 Posts: 1383 Credit: 2,098,506 RAC: 5 |
The JWST has a working resolution of 17 milliarcseconds? Remarkable! I've read predicted figures of 68 and 100 milliarcseconds. This presumably varies somewhat by wavelength. That appears to be 3 to 5 times better resolution than expected. I guess they were being conservative in their expectations. |
betreger Send message Joined: 29 Jun 99 Posts: 11358 Credit: 29,581,041 RAC: 66 |
Another great triumph for the JWST was the launch, the launch was so precise that only 1/2 of the fuel planned for was used which now will extend the useful life from 10 yrs to 20 yrs. A way I am looking at this is twice the life and 3 times the resolution means 6 time the science that was budgeted for. Fantastic. |
Michael Watson Send message Joined: 7 Feb 08 Posts: 1383 Credit: 2,098,506 RAC: 5 |
The James Webb Space Telescope has now produced 14 excellent images of deep space objects, mostly distant galaxies. The video, linked below, shows each image, and includes some information about the objects themselves, and the imaging process. https://www.youtube.com/watch?v=X96xAFjUWco |
Dr Who Fan Send message Joined: 8 Jan 01 Posts: 3191 Credit: 715,342 RAC: 4 |
Uh oh..... MicroMeteoroid hits main mirror on James Webb Space Telescope In a statement, NASA said the impact happened some time at the end of May. Despite the impact being larger than any that NASA modeled and "beyond what the team could have tested on the ground," the space agency said the telescope continues to perform at higher-than-expected levels. The telescope has been hit on four previous occasions since launch. |
SciManStev Send message Joined: 20 Jun 99 Posts: 6651 Credit: 121,090,076 RAC: 0 |
It's getting closer! https://www.jwst.nasa.gov/content/webbLaunch/whereIsWebb.html Warning, addicted to SETI crunching! Crunching as a member of GPU Users Group. GPUUG Website |
Dr Who Fan Send message Joined: 8 Jan 01 Posts: 3191 Credit: 715,342 RAC: 4 |
NASA Shares List of Cosmic Targets for Webb Telescope’s First Images: * Carina Nebula * WASP-96 b (spectrum) * Southern Ring Nebula * Stephan’s Quinte * SMACS 0723 |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
It looks good. Biden unveils first image from Webb Space Telescope, expanding the space frontier. Cheers. |
ML1 Send message Joined: 25 Nov 01 Posts: 20140 Credit: 7,508,002 RAC: 20 |
Indeed. Spectacular! See: First images from Nasa’s James Webb space telescope reveal ancient galaxies wrote: ... first glimpse from the most powerful telescope ever launched into space... Webb's First Deep Field Unveiled (NIRCam Image) wrote: NASA’s James Webb Space Telescope has produced the deepest and sharpest infrared image of the distant universe to date. Known as Webb’s First Deep Field, this image of galaxy cluster SMACS 0723 is overflowing with detail. Deployment Explorer - Image #1 - Deep Field: SMACS 0723 wrote: NASA’s Webb Delivers Deepest Infrared Image of Universe Yet Wow! Keep searchin', Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
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ML1 Send message Joined: 25 Nov 01 Posts: 20140 Credit: 7,508,002 RAC: 20 |
An enthusiastic and excellent summary is given on: Brian Cox: New NASA pictures {James Webb Space Telescope} Total brilliance for another big leap deeper into space and history! Keep searchin'! Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
Just in case you're wondering Why stars look spiky in images from the James Webb Space Telescope. Cheers. |
ML1 Send message Joined: 25 Nov 01 Posts: 20140 Credit: 7,508,002 RAC: 20 |
And for some detailed details of the big "Wow!" in those first images: An astrophysicist explains the first JWST science images wrote: The first science images from JWST are absolutely spectacular, but what are we seeing in them and what can learn from them? I've been at the National Astronomy Meeting at the University of Warwick all week with 500 of my fellow astronomers, and we've been geeking out over the images together... There are a multitude of big "Wow!"s in there... Including for finding the conditions for life elsewhere... Keep searchin'! Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
Space Pebble That Hit Webb Telescope Caused Significant Damage, Scientists Say. A micrometeoroid that hit the Webb Space Telescope in late May caused permanent damage to the spacecraft, according to a Space Telescope Science Institute report.Cheers. |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
The latest image to pour over. Webb Space Telescope Turns Its Eye on the Chaotic Cartwheel Galaxy. The Webb Space Telescope team has unveiled the latest image from the observatory, and it’s a gorgeous portrait of the Cartwheel Galaxy, a dazzling object 500 million light-years away that formed from the high-speed collision of two galaxies....Cheers. |
Wiggo Send message Joined: 24 Jan 00 Posts: 34744 Credit: 261,360,520 RAC: 489 |
And the pics just keep coming. James Webb captures most distant star ever seen in incredible detail. An image of the most distant known star in the universe has been captured by NASA's James Webb Space Telescope.Cheers. |
ML1 Send message Joined: 25 Nov 01 Posts: 20140 Credit: 7,508,002 RAC: 20 |
... 'The Silmarillion', it is almost 28 billion light-years away from Earth... But... but... That just cannot be?! Can it??! For our universe that is a mere 13.8 Billion years old... How can we see light from 28 Billion light-years away? Isn't that light somehow 14 Billion years too old?!!! For a fun deboggling explanation, see: Physics Girl - We can see things moving faster than light wrote: How is it possible for galaxies and objects in space to move away from us faster than the speed of light? Will we ever see those objects? And for an update on the present state of play for the JWST and for what happens next, see: THE ROYAL INSTITUTION - Solar system science from the James Webb Space Telescope – with Naomi Rowe-Gurney wrote: What is the JWST, and what big science questions can it answer? Join NASA scientist Naomi as she discusses the new JWST images, along with her research into the ice giants, Uranus and Neptune, and the many other areas that JWST can help with. That presentation is perhaps the best I've seen so far, beautifully presented by a researcher who has literally grown up with the telescope itself. Enjoy! Keep searchin'! Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
Dr Who Fan Send message Joined: 8 Jan 01 Posts: 3191 Credit: 715,342 RAC: 4 |
Not again! James Webb, Halley's Comet may be set for cosmic dust-up The James Webb Space Telescope is predicted to pass through Halley's Comet's debris trail next year, meaning that particles could further endanger its sensitive primary mirror. |
Nuadormrac Send message Joined: 7 Apr 00 Posts: 136 Credit: 1,703,351 RAC: 0 |
Long time ago, there was talk of a project for optical SETI. With SETI@home in hibernation here; why couldn't a project be setup somewhere that could help facilitate the crunching of Webb data for evidence of habitable planets. There's a lot of data which is getting publically dumped, for a variety of searches being engaged by many scientific teams all with their own objectives. But there is also a lot more data in there, then the actual research team conducting these studies might be getting out of the telescope with their preliminary data and parsing of it for their own scientific research. Case in point, the number of early release images that under further analysis revealed other details not originally stated, or perhaps even under investigation in the initial study. Such a project wouldn't specifically need to get any Webb time unless something of real interest ever came up that had many in the scientific community wanting to look; but it could essentially scour through publically available data dumps from the raw data Webb is putting out there; to engage in a search for optical SETI, even with data that was collected for other projects, but might have had background data available which was not the primary focus of the telescope at the time. In this way a lot of the data dumps could be further investigated for this purpose, and with the crunching power available over the Internet; allow more bang for the buck wrt telescope time already invested . |
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