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Can JWST see galaxies made of primordial stars?

All stars are composed of mostly hydrogen and helium, but most stars also have measurable amounts of heavier elements, which astronomers lump into the category of "metals." Our sun has more metals than most stars because the nebula from which it form.....»»

Category: topSource:  physorgNov 8th, 2022

Which came first: Black holes or galaxies?

Black holes not only existed at the dawn of time, they birthed new stars and supercharged galaxy formation, a new analysis of James Webb Space Telescope data suggests......»»

Category: topSource:  physorgRelated NewsFeb 10th, 2024

Building durable basketball players from the ground up (way up)

Can new scientific insights help the newest crop of NBA stars stay healthy? Enlarge / Victor Wembanyama of the San Antonio Spurs drives on Moritz Wagner of the Orlando Magic during a game on February 8 in Orlando, Florida. (credi.....»»

Category: topSource:  arstechnicaRelated NewsFeb 10th, 2024

Hubble spots a galaxy shrouded by stars

This NASA/ESA Hubble Space Telescope image shows a densely packed field of stars laid upon a background of dust, gas, and light from more distant celestial objects. There are so many stars in this image's field of view that it may be a little tricky.....»»

Category: topSource:  physorgRelated NewsFeb 9th, 2024

Hubble spies baby stars being born amid chaos of interacting galaxies

Amid swirling gas and dust pulled by gravitational forces of interacting galaxies, there can be bursts of star formation, creating new generations of stars......»»

Category: topSource:  digitaltrendsRelated NewsFeb 9th, 2024

Hubble detects celestial "string of pearls" star clusters in galaxy collisions

When spectacular cosmic events such as galaxy collisions occur, it sets off a reaction to form new stars, and possibly new planets that otherwise would not have formed. The gravitational pull that forces the collisions between these galaxies creates.....»»

Category: topSource:  physorgRelated NewsFeb 9th, 2024

Learning the trick to finding cannibalized stars

Scientists working with the powerful telescopes at Georgia State's Center for High Angular Resolution Astronomy (CHARA) Array have completed a survey of a group of stars suspected to have devoured most of the gas from orbiting companion stars. These.....»»

Category: topSource:  physorgRelated NewsFeb 9th, 2024

JWST data suggest exoplanet K2-18b may have molten surface rather than a watery ocean

A multi-institutional team of astronomers, Earth scientists and planetary physicists has found evidence, via data from the James Webb Space Telescope (JWST), that some hycean exoplanets may have molten surfaces rather than watery oceans. In their stu.....»»

Category: topSource:  physorgRelated NewsFeb 9th, 2024

Hubble traces "string of pearls" star clusters in galaxy collisions

Contrary to what you might think, galaxy collisions do not destroy stars. In fact, the rough-and-tumble dynamics trigger new generations of stars and presumably accompanying planets......»»

Category: topSource:  physorgRelated NewsFeb 9th, 2024

Stars keep searching for missing Usher in new Apple Music video

Now the search is on to find Usher before he's due to play the Super Bowl halftime show, in a new seven-minute skit on Apple Music.Ludacris searching for Usher in the new Apple Music videoFollowing a teaser video featuring Tim Cook being told that Us.....»»

Category: topSource:  theglobeandmailRelated NewsFeb 8th, 2024

Whether of politicians, pop stars or teenage girls, sexualized deepfakes hold a mirror to our sexist world

Victorian MP Georgie Purcell recently spoke out against a digitally edited image in the news media that had altered her body and partially removed some of her clothing......»»

Category: topSource:  marketingvoxRelated NewsFeb 8th, 2024

Shhhh! A Quiet Place: Day One trailer is anything but quiet

“Experience the day the world went quiet.” Lupita Nyong'o stars as Sam in A Quiet Place: Day One. The 2018 post-apocalyptic horror film A Quiet Place deservedly won critical raves and an Oscar for sound editing. Sound, and often.....»»

Category: topSource:  arstechnicaRelated NewsFeb 7th, 2024

Finding the best predictor for a galaxy"s metallic content

A team of astronomers has found that the total mass of stars in a galaxy is not a good predictor of the galaxy's abundance of heavier elements, a surprising result according to previous studies. Instead, the gravitational potential of a galaxy is a m.....»»

Category: topSource:  physorgRelated NewsFeb 7th, 2024

Searching in infrared finds a big collection of black hole star destruction

Many cases of black holes destroying stars were hidden behind dust. Enlarge (credit: NRAO/AUI/NSF/NASA) Virtually anything in space could be a potential meal for a supermassive black hole, and that includes entire stars......»»

Category: topSource:  arstechnicaRelated NewsFeb 6th, 2024

New findings from JWST: How black holes switched from creating to quenching stars

Astronomers have long sought to understand the early universe, and thanks to the James Webb Space Telescope (JWST), a critical piece of the puzzle has emerged. The telescope's infrared detecting "eyes" have spotted an array of small, red dots, identi.....»»

Category: topSource:  physorgRelated NewsFeb 6th, 2024

Extreme eruption on young sun-like star signals savage environment for developing exoplanets

Astronomers have detected an extreme eruption from a young star that became more than a hundred times brighter in only a few hours. This discovery offers new insight into how young sun-like stars behave early in their lives, and their impact on the d.....»»

Category: topSource:  physorgRelated NewsFeb 6th, 2024

Why now is the time to address humanity"s impact on the moon

Humans have always looked at the sky, using the stars as navigation guides or for spiritual storytelling. Every human civilization has looked to the stars and used celestial movements to measure time and find meaning......»»

Category: topSource:  physorgRelated NewsFeb 5th, 2024

Watch the 2024 Grammys: date, time, nominees, performers, live stream

The biggest stars in music will meet under one roof at the 2024 Grammys. Find out how to watch a live stream of the 2024 Grammys......»»

Category: topSource:  digitaltrendsRelated NewsFeb 5th, 2024

The 5 best telescopes for viewing planets and galaxies in 2024

Of all the objects that you can view through a telescope, some of the most stunning to behold are the planets in our solar system, and the galaxies that lie far beyond it. But if you want to see more distant and fainter objects, you’ll need a d.....»»

Category: topSource:  digitaltrendsRelated NewsFeb 4th, 2024

Orbital resonance: The striking gravitational dance done by planets with aligning orbits

Planets orbit their parent stars while separated by enormous distances—in our solar system, planets are like grains of sand in a region the size of a football field. The time that planets take to orbit their suns have no specific relationship to ea.....»»

Category: topSource:  physorgRelated NewsFeb 3rd, 2024

Dark matter might help explain how supermassive black holes can merge

Although the exact nature of dark matter continues to elude astronomers, we have gained some understanding of its general physical properties. We know how it clusters around galaxies, how it makes up much of the matter in the universe, and even how i.....»»

Category: topSource:  physorgRelated NewsFeb 2nd, 2024