big bang

The detection of a highly compact galaxy that formed relatively soon after the Big Bang and displayed an impressive rate of star formation is the latest example of how the James Webb Space Telescope is reshaping our understanding of the early universe.Scientists said the galaxy, dating to 13.3 billion years ago, has a diameter of approximately 100 light-years - about 1,000 times smaller than the Milky Way - but forms new stars at a rate very similar to that of our much-larger present-day galaxy. A light-year is the…

Scientists using data from the Atacama Cosmology Telescope in Chile have made a detailed map of dark matter’s distribution across a quarter of the sky.First Full-Color Images From Webb Space TelescopeThe map shows regions the distribution of mass extending essentially as far we can see back in time; it uses the cosmic microwave background as a backdrop for the dark matter portrait. The team’s research will be presented at the Future Science with CMB x LSS conference in Kyoto, Japan.“We have mapped the invisible dark…

Since the launch of NASA's James Webb Telescope, it has never failed to surprise with its unparalleled discoveries. From exoplanets, and distant galaxies, to breathtaking views of Nebula. James Webb Space Telescope has made very impressive discoveries. Now, the James Webb Telescope has made another historic discovery by detecting the oldest known galaxy. According to recent studies published in the Nature Astronomy journal, astronomers have "unambiguously detected" four of the most remote galaxies ever observed.These…

When we think of the Big Bang, we think loud, hot, and bright. But was it followed by a colder, darker shadow?Five-sixths of the universe seems to be made up of a mysterious substance called “dark matter.” Until now, physicists have assumed dark matter was created in the same flash of heat that jump-started the universe. But dark matter lives in a kind of parallel, shadow world, barely interacting with the regular matter that makes up everything we can see, feel, and observe. Maybe it was created in a kind of “shadow” Big…

The Webb Space Telescope has spotted six pinpricks of reddish-orange light that scientists say are actually galaxies as mature as the Milky Way—despite being billions of years younger.The galaxies are seen as they looked about 500 million to 800 million years after the Big Bang, over 13 billion years ago. The presence of galaxies so early in the universe is not surprising, but the degree to which the galaxies are developed is throwing astronomers for a loop. Analysis of the image data is published today in Nature.“These…

Researchers used data from the Dark Energy Survey and the South Pole Telescope to re-calculate the total amount and distribution of matter in the universe. They found that there’s about six times as much dark matter in the universe as there is regular matter, a finding consistent with previous measurements.But the team also found that the matter was less clumped together than previously thought, a finding detailed in a set of three papers, all published this week in Physical Review D.The Dark Energy Survey observes…

NASA JWST has given us a picture of older candidate galaxies that the Hubble telescope couldn’t see previously. The JWST, or James Webb Space Telescope, has been giving us a great look into the cosmos ever since it went up last year. After a stunning bunch of pictures last year that stunned the internet, JWST has now given a team of scientists the first glimpse into what could be a bunch of the first galaxies that were created after the Big Bang. Astronomer Haojing Yan from the University of Missouri published a new…

Surprisingly, NASA’s Astronomy Picture of the Day is not a spectacular view of the cosmos, but a periodic table! Read on to know why. Each day, NASA features a different image of our fascinating universe along with a brief explanation written by a professional astronomer. Today, the image neither features any breathtaking image of a galaxy in the deep cosmos nor reveals an unseen image of our biggest star, our Sun. Instead, NASA dedicated today's astronomy picture of the day to the periodic table of elements. If you…

NASA’s James Webb Telescope has managed to capture first-of-its-kind galaxies with stellar bars. It has thereby revealed an astonishing space secret. NASA's latest and most expensive James Webb Space Telescope is outdoing the Hubble Space Telescope in every way. That was expected, since the tech on Hubble Telescope is decades old. In the latest development, the images from the James Webb Telescope reveals galaxies with stellar bars—elongated features of stars stretching from the centers of galaxies into their outer…

The James Webb Space Telescope lit up 2022 with dazzling images of the early universe after the Big Bang, heralding a new era of astronomy and untold revelations about the cosmos in years to come. The James Webb Space Telescope lit up 2022 with dazzling images of the early universe after the Big Bang, heralding a new era of astronomy and untold revelations about the cosmos in years to come. The most powerful observatory sent into space succeeded the Hubble telescope, which is still operating, and began transmitting…