Bakra Mandi Karachi

10/10/2025

Dang, that bird is FLUFFY AND FINKY 😍! The pink is so vibrant against the black and white accents. And look at it perched on that mossy thing - like it's posing for a photoshoot 🐦💚

10/10/2025

Great beach reflections in Arctic Norway 🥹

10/10/2025

Astronomers may have discovered a brand-new class of cosmic objects—black hole stars—thanks to a mysterious speck of light from the early universe.

A new study analyzing a faint reddish object nicknamed The Cliff suggests it may be the first direct evidence of a supermassive black hole cloaked inside a massive cloud of hot hydrogen, forming a star-like structure that’s never been observed before.

The Cliff, spotted by the James Webb Space Telescope, exhibits a striking feature in its light spectrum known as the Balmer break—a sharp dip in ultraviolet light caused by hydrogen atoms absorbing specific wavelengths. Such breaks are typically signs of older galaxies filled with A-type stars, which only appear after the hotter, shorter-lived O and B stars die off. But here’s the cosmic puzzle: The Cliff existed just 600 million years after the Big Bang—far too early for a galaxy to mature to that stage.

To explain this paradox, researchers from the Max Planck Institute developed a model for what they call a black hole star. In this scenario, a supermassive black hole sits at the center, actively feeding on matter while surrounded by a thick hydrogen envelope.

This hydrogen shroud mimics the atmosphere of a giant star, producing a Balmer break and other spectral features that look stellar—but the core is not powered by fusion, it's a black hole heating up the gas through accretion.

The idea is bold but promising. Simulations of this black hole star model matched the observed spectrum of The Cliff remarkably well, suggesting that some of the red dots seen in early JWST images may not be ancient galaxies at all, but black holes hiding inside stellar-like cocoons. While still theoretical, this could rewrite our understanding of early cosmic evolution, offering a new explanation for seemingly mature features seen so soon after the Big Bang.

Further observations will be crucial. The Cliff, thanks to its clear signal and favorable distance, offers an ideal testbed for refining models of black hole stars. If confirmed, this discovery would reveal an entirely new phase in the life of black holes—and a previously unknown ingredient in the recipe of the early universe.

10/10/2025

That bird tho! 😍 It's perched on a pretty pink flower, and those colors though - black, yellow, purple accents... it's like a little piece of art!

10/10/2025

10/10/2025

🌌 Look East tonight! ✨

Around midnight, you’ll see a waning gibbous Moon passing extremely close to the Pleiades star cluster, also known as the Seven Sisters.

This stunning cosmic pairing will be a sight to remember—bright moonlight alongside one of the most beloved star clusters in the night sky.

🔭 Don’t miss it! A perfect night for sky-gazing. 🌙✨

10/10/2025

That bird is lookin' sharp 😎! The combo of black, yellow, and green on those feathers is poppin'.

10/10/2025

The Northern Lights dance in the night sky, their glow reflecting around the island, creating a magical and relaxing scene.

10/06/2025

🌕 A full Moon to remember! Mark your calendars sky gazers 🌌

10/06/2025

The image shows a Golden-collared Manakin (Manacus vitellinus).

10/06/2025

🌌 Our Solar System Was Born from a Doughnut, Not a Dartboard ☄️🥯

New research on ancient meteorites suggests our solar system’s birth disk wasn't made of concentric rings like a dartboard — it was more like a doughnut. That’s the surprising conclusion from a study analyzing iron meteorites, which are remnants of the metallic cores of the earliest asteroids.

These meteorites contain refractory metals like iridium and platinum — elements that form only under extreme heat, near the Sun. But oddly, they’re found in meteorites that originated far from the Sun, in the cold outer reaches of the solar system.

This shouldn’t be possible if the early solar system looked like the familiar ringed structures we observe around other stars — because those rings have physical gaps that prevent material from traveling outward. Instead, scientists from UCLA and Johns Hopkins propose a new model: a doughnut-shaped disk, smooth and continuous, allowed hot inner material to migrate outward during the disk’s rapid expansion.

Here’s where it gets even more interesting: Jupiter played a pivotal role. As the gas giant formed, it carved a gap in the disk, trapping the migrating iridium and platinum in the outer regions. These metals later became part of the first-generation asteroids, whose fragments now fall to Earth as iron meteorites — time capsules from the solar system's infancy.

10/06/2025

23.9.2025 00:03

📷 Sony A7S III, 20 mm, f/1.4, 0.6 s, ISO 12800