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Hubble Spots Giant, Turbulent Planet-Forming Disk 40 Times Wider Than Our Solar System
astronomy16 days ago

Hubble Spots Giant, Turbulent Planet-Forming Disk 40 Times Wider Than Our Solar System

NASA’s Hubble Space Telescope has captured the largest known protoplanetary disk around the young star IRAS 23077+6707 (nicknamed Dracula’s Chivito), extending about 400 billion miles—roughly 40 times the Solar System’s diameter. Seen nearly edge-on in visible light, the disk is unusually turbulent and asymmetric, with filament-like features on one side and a sharp edge on the other, hinting at dynamic infall of material and environmental interactions. With an estimated mass 10–30 times Jupiter’s, the system may host a large planetary system and provides a valuable laboratory for understanding planet formation in extreme conditions.

via SciTechDaily|
#astronomy#hubble#planet-formation
Hubble Spotlights Newborn Stars in Lupus 3’s Quiet Stellar Nursery
space24 days ago

Hubble Spotlights Newborn Stars in Lupus 3’s Quiet Stellar Nursery

NASA’s Hubble Space Telescope captures Lupus 3, a nearby star-forming molecular cloud in Scorpius, bustling with newborn stars. The multi-wavelength image reveals blue reflection nebulosity and dark dust lanes as T Tauri stars (under 10 million years old) emerge from collapsing gas, illustrating the early stages of stellar birth in this nearby stellar nursery.

via Live Science|
#hubble#lupus-3#scorpius
AI Uncovers Hundreds of Hidden Cosmic Anomalies in Hubble Data
science29 days ago

AI Uncovers Hundreds of Hidden Cosmic Anomalies in Hubble Data

A neural network named AnomalyMatch scanned nearly 100 million image cutouts from the Hubble Legacy Archive in about 2.5 days, flagging roughly 1,400 candidate anomalies. Human researchers reviewed the top results and confirmed more than 1,300 as true anomalies, including over 800 objects not previously documented, such as merging galaxies, gravitational lenses, jellyfish galaxies, and distant edge-on disks, showcasing AI's power to accelerate discovery in massive astronomical datasets.

via ESA/Hubble|
#ai#anomalies#astronomy
Webb Reveals the Helix Nebula’s Eye and Its Cometary Knots
space1 month ago

Webb Reveals the Helix Nebula’s Eye and Its Cometary Knots

NASA's James Webb Space Telescope delivers a sharper infrared view of the Helix Nebula, the nearby planetary nebula nicknamed the Eye of Sauron, revealing about 40,000 cometary knots as the dying star sheds its outer layers. The image, updating Hubble's famed portrait, shows how the gas glows under the nebula’s radiation and how the knots persist against the expanding wind. The Helix lies ~650 light-years away and will fade over the next 10,000–20,000 years as the gas disperses, offering a glimpse of the Sun's eventual fate as a red giant that becomes a white dwarf.

via ScienceAlert|
#cometary-knots#helix-nebula#hubble
Hubble Telescope's End: Is Its Disappearance Nearing?
science1 month ago

Hubble Telescope's End: Is Its Disappearance Nearing?

The Hubble Space Telescope, launched in 1990, is nearing the end of its operational life due to orbital decay accelerated by solar activity, with potential reentry as early as 2029. NASA has attempted to extend its lifespan, but without intervention, Hubble may soon be lost, creating a gap in space observation. However, the upcoming Lazuli telescope, funded by private sources and planned for launch in 2028, aims to succeed Hubble with advanced capabilities.

via The Daily Galaxy|
#hubble#lazuli#nasa
science1 month ago

Hubble Images Reveal Wobbling Jets and Mysteries of Interstellar Comet 3I/ATLAS

Hubble images from December 2025 reveal that the interstellar object 3I/ATLAS is emitting two stable, narrow jets in different directions, challenging simple explanations and suggesting complex internal activity or delayed heating effects as it exits the solar system, raising questions about its rotation, structure, and behavior beyond typical comet models.

via USA Herald|
#3iatlas#comet-physics#hubble
Hubble Captures First Direct Images of Asteroid and Protoplanet Collisions Near Earth
science2 months ago

Hubble Captures First Direct Images of Asteroid and Protoplanet Collisions Near Earth

NASA's Hubble Space Telescope has captured the first direct images of asteroid collisions in a nearby star system, Fomalhaut, revealing rapid and violent planetary system evolution, with debris clouds that could be mistaken for planets, providing valuable insights into planetary formation and the dynamics of planetesimals.

via NASA Science (.gov)|
#asteroid-collisions#debris-clouds#exoplanetary-system
Satellite proliferation jeopardizes space-based astronomy and research
science2 months ago

Satellite proliferation jeopardizes space-based astronomy and research

The increasing number of satellites, especially from megaconstellations like Starlink, is significantly impairing the ability of space telescopes like Hubble to capture clear images, with projections indicating a worsening problem that could hinder astronomical research and space safety. Solutions such as designing less reflective satellites and better coordination are urgently needed to ensure sustainable coexistence in space.

via The Verge|
#astronomy#hubble#light-pollution
Unassuming Tiny Star Revolutionizes Cosmic Understanding
science3 months ago

Unassuming Tiny Star Revolutionizes Cosmic Understanding

A tiny star in the Andromeda galaxy, V1, played a crucial role in transforming our understanding of the universe by helping establish that Andromeda is a separate galaxy and by contributing to the development of the cosmic distance ladder, which has enabled measurements of the universe's expansion and age. This discovery, along with subsequent observations, has led to insights about the universe's accelerating expansion driven by dark energy, and ongoing efforts aim to resolve discrepancies in the Hubble constant.

via Earth.com|
#astronomy#cepheid-variables#cosmic-expansion