James Webb Space Telescope could shed light on dark matter and dark energy

James Webb Space Telescope could shed light on dark matter and dark energy

Tech & Science, Space

12/22/2021 1:08:00 PM

James Webb Space Telescope could shed light on dark matter and dark energy

The telescope that has been decades in the making could help astronomers solve some of the Universe's biggest mysteries.

This discovery turned physics on its head, but not as much as the revelation in the late 1990s that the Universe was not just expanding, but was doing so at an accelerating rate.In 1998, astronomers discovered that the farther away a Type-Ia supernova was, the greater an effect called redshift—the stretching of the wavelength of light towards the red end of the electromagnetic spectrum as it moves away from an observer—was.

This told space researchers that the farther away objects like galaxies or supernovas are from us, the more quickly they are receding and thus that the expansion of the universe is accelerating.What is responsible for this acceleration is currently unknown. Researchers have simply given it the title"dark energy."

Read more: Newsweek »

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I hope so. That would be really cool. I've been looking forward to this telescope going up for years and years. TigrayGenocide

James Webb Space TelescopeWhat tools will the world's most powerful space telescope use to UnfoldTheUniverse? Join Dr_ThomasZ and Dr. EllenStofan in this new episode of EZScience to find out more about NASAWebb and its scheduled Dec. 24 launch. Dr_ThomasZ EllenStofan Webb MacGyver can make one using a bottle cap, a 6' long USB charge cable and a spork. What's YOUR excuse? Dr_ThomasZ EllenStofan Webb Perfect! Dr_ThomasZ EllenStofan Webb So what if you pushed it further into space and relayed the information back using come satellites surely you could see further into the universe. Or are you not able to send manned flights that far out to service it.

James Webb Space TelescopeWebb Hi🌷 I would like to be friends with you My goal is to dedicate my life to serving humanity and the environment. Let's build a beautiful land together for humanity and nature.🌍♥️ I am Ghaffari, 21 years old, trying to achieve world peace life family nature Earth Webb Good Luck NASA ❤ Webb Is it still set for Christmas Eve launch?

James Webb Space Telescope Launch UpdateUPDATE: NASAWebb completed its Launch Readiness Review & is safe atop its Ariane 5 rocket. However, the weather in French Guiana isn’t looking good. Launch is now no earlier than Dec 25 at 7:20am ET (12:20am UTC). We’ll monitor things & keep you posted. Webb nasahqphoto But this is ...... Webb nasahqphoto ❤️❤️ Webb nasahqphoto Happy Christmas

NASA Sets Coverage, Invites Public to View Webb Telescope LaunchThe world's most powerful telescope is set to launch. What do you want to know about NASAWebb, its rocket or the science it will do? Tag questions UnfoldTheUniverse, then listen in at 2pm ET (19:00 UTC), for answers from NASA & Arianespace experts: Webb Arianespace UnfoldTheUniverse What image does the science team want to capture with the ‘first light’ image? Is that a random observation to see if all the parts are working or do they have something specific in mind? Webb Arianespace The most expensive and magic Mirror Ever !!! 🚀🚀🚀 Webb Arianespace After the Rocket left earth. How will the telescope move 1.5m miles away (to L2 position) from earth? Will it use it's own propeller behind the telescope or The rocket will carry it halfway? UnfoldTheUniverse

NASA’s Webb Telescope to See Deeper Than Hubble to Edge of UniverseOne hundred times as powerful as Hubble, the James Webb telescope could show the face of Abraham Lincoln on a penny from 24 miles away How about the price of Bitcoin 24 months away? Hubble gave me a view of the universe so spectacular, I actually shed a few tears when it broke and was very thankful when it was fixed. The James Webb telescope will probably blow my mind, in a most delightful way. 😎 Krishna rest

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Scientists Use Extreme Stars to Test Limits of Einstein's Greatest Theory This discovery turned physics on its head, but not as much as the revelation in the late 1990s that the Universe was not just expanding, but was doing so at an accelerating rate..Progress for Webb at the Launch Site On Wednesday, Nov..

In 1998, astronomers discovered that the farther away a Type-Ia supernova was, the greater an effect called redshift—the stretching of the wavelength of light towards the red end of the electromagnetic spectrum as it moves away from an observer—was. This told space researchers that the farther away objects like galaxies or supernovas are from us, the more quickly they are receding and thus that the expansion of the universe is accelerating. What is responsible for this acceleration is currently unknown. 24, a review committee approved Webb’s transition to the next stage in its preparations for launch. Researchers have simply given it the title"dark energy." "Dark energy is a subtle, smooth, and uniform component accounting for no less than 70 percent of the total amount of matter-energy of the Universe," Luz Ángela Garcia, a cosmologist at the Universidad ECCI, Colombia , told Newsweek.

" We use dark energy to provide an answer to the observed expansion rate today and explain with a robust model the large-scale structure of the Universe seen by wide-area astronomical surveys [observations of the Universe at a large scale]. “The vast majority of the launch energy required to send Webb to its operating orbit around the Sun-Earth Lagrange point L2 will be provided by the massive Ariane 5 rocket." An infographic showing the expansion of the Universe. Its accelerating expansion in its latter stages is caused by dark energy, a mysterious force that the JWST could help unravel. JPL-Caltech/NASA Garcia currently researches possible"early dark energy" models (EDEs) that hint this force could have existed earlier than currently believed. Mid-Course Correction maneuvers for refining the trajectory are planned (nominally) for 12. The current thinking is that the early Universe's expansion was driven by other forces, but EDEs suggest dark energy was present in these periods but was less dominant.

She continued:"Thus far, our instruments have not detected dark energy . That means that there are many candidates that could be appropriate to describe this component. Those same thrusters will be used periodically throughout the mission to maintain that orbit, with small maneuvers called ‘station keeping." Most of the current methods used to investigate dark energy rely on investigating how it influences the rate of expansion, also known as the Hubble parameter, at various points in the Universe's 13.8 billion-year history. Garcia added that the Hubble parameter determines how the expansion of the Universe changes over time and is related to how we define distances in cosmology. Reaction wheels are flywheels in the Webb spacecraft that help keep the payload’s orientation stable.

That means that dark energy and its contribution to the Universe's energy and matter content play an important role in our large-scale structures like galaxies and in how the regions between them are distributed throughout space. She said that JWST will play a relevant part in the study of this elusive element of the Universe by uniting with wide-area surveys conducted by two future space telescopes, the Euclid Telescope and the Nancy Grace Roman Space Telescope, set to launch in 2022 and May 2027 respectively. Garcia continues:"The JWST will complement results obtained by these wide-area surveys by improving the estimation of the Hubble parameter today and refining the light curves from extremely Type-Ia supernovas in near-infrared light, one of the strengths of the JWST. Unlike Hubble, whose telescope is enclosed in a protective tube, Webb can operate successfully with just the shade of the sunshield to protect it in space." The JWST will also be able to track supernovas at much greater distances than past telescopes, possibly even observing the first of these cosmic explosions, helping us better observe and measure the expansion of the Universe and how it is changing. Garcia said:"Optimistically, we will learn a great deal about the effect of dark energy at intermediate and great distances using observations from JWST.

Besides, we do not know yet what new objects are there to be discovered and what they could tell us about the contents of the Universe. The NASA, ESA (European Space Agency), Arianespace, and French space agency (Centre National d’Etudes Spatiales) teams have cooperated very closely to custom-clean the launch facilities to Webb’s demanding requirements." The contents of the Universe which include dark matter. Dark Matter Examinations of early and distant objects may not just benefit the search for dark energy. It could also help better understand the nature of . They note that continued vigilance is required for the remainder of the ground processing flow, as the most challenging facilities are still ahead.