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JWST observation of Interstellar comet 3I/ATLAS. (This article forms a part of the Science for All newsletter that takes the jargon out of science and puts the fun in! Subscribe now!) 3I/ATLAS is the third confirmed interstellar object to pass through the Solar System, after 1I/ʻOumuamua in 2017 and 2I/Borisov in 2019. It was first…
Melbourne: (The Conversation) On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and most powerful telescope humans have ever sent into space. It took 30 years to build, but in three short years of operation, JWST has already revolutionised our view of the cosmos….
Using innovative strategies that astronomers use to identify the shape of distant, dim galaxies, Adejumoke Owolabi, a master’s student at the University of Hull, and her mentor Kevin Pimbblet, a professor of astrophysics and director of the Centre of Excellence for Data Science, Artificial Intelligence and Modelling at the University of Hull, have described a…
Read More “Need to tell AI-made deepfakes from real pics? Call astronomers” »
A view of Ariel composed by NASA/JPL-Caltech, December 12, 2016. | Photo Credit: Kevin M. Gill The Solar System has many mysteries. We don’t know why the Sun’s corona is so hot. We don’t know why Saturn’s moon Titan has such a significant atmosphere. We don’t know why Triton rotates in the direction opposite to…
Read More “Does Uranus’s moon Ariel also have an underground ocean?” »
The Rho Ophiuchi cloud complex seen in a composite of separate exposures acquired by Webb Telescope Washington: NASA released on Friday a pair of images taken by the James Webb Space Telescope showing two galaxies – one nicknamed the Penguin and the other the Egg – in the process of merging in sort of a…
Read More “2 Galaxies Merge In Space, Webb Telescope Sends In Pics” »
A new study has revealed more spiral galaxies in the universe’s youth than astronomers had expected. The universe is about 13.8 billion years old and is home to different kinds of galaxies, from spiral to elliptical and those with or without bulges. Astronomers previously believed spiral galaxies formed about 6 billion years ago, but a…
Read More “Universe had spiral galaxies 4 billion years sooner than expected: study” »
This handout image obtained on May 30, 2024 courtesy of NASA/ESA/CSA STScI shows an infrared image from NASA’s James Webb Space Telescope. A galaxy, JADES-GS-z14-0 (shown in the pullout), was determined to be at a redshift of 14.32 (+0.08/-0.20), making it the current record-holder for the earliest known galaxy. | Photo Credit: AFP NASA’s James…
Read More “Earliest-known galaxy, spotted by Webb telescope, is a beacon to cosmic dawn” »
A false-color image obtained by the James Webb Space Telescope (JWST) shows the galaxy JADES-GS-z7-01-QU, the universeÕs earliest-known “dead” galaxy, a galaxy that has stopped star formation, in this undated handout picture obtained by Reuters. | Photo Credit: Reuters The James Webb Space Telescope, or JWST for short, is one of the most advanced telescopes ever…
Read More “Could a telescope ever see the beginning of time?” »
A big open problem in cosmology is the Hubble tension. There are two equally valid ways to measure how fast the universe is expanding, but they have yielded two very different estimates. No amount of rechecking and refining calculations has made this tension go away. In a study published recently in Monthly Notices of The…
Read More “How fast is the universe expanding? New data keeps mystery open” »
