Tag: #astronomy

Hubble Spots a ‘Failed Galaxy’: Dark-Matter Cloud Cloud‑9 Has Gas but No Stars

Near galaxy M94, Hubble confirms Cloud‑9: a dark‑matter halo filled with hydrogen yet essentially starless, matching long‑predicted ‘failed galaxies.’

#hubble, #darkmatter, #galaxies, #astronomy, #cosmology

Astronomers Precisely Weigh a Rogue Planet After a Lucky Gaia Flyby

A brief microlensing flare seen from Earth and ESA’s Gaia let researchers measure the mass and distance of a Saturn-like rogue planet 10,000 light-years away.

#astronomy, #exoplanets, #gaia, #microlensing

Webb Spots Earliest Known Supernova After Gamma-Ray Burst From Cosmic Dawn

A gamma-ray burst flagged by the SVOM telescope led Webb to the earliest confirmed supernova, showing massive stars died in familiar ways just 730 million years after the Big Bang.

#astronomy, #space, #jwst, #supernova, #gammarayburst

Astronomers Observe Unprecedented 7-Hour Gamma-Ray Burst

Record-breaking gamma-ray burst challenges existing models, suggesting new cosmic explosion mechanisms.

#gamma-ray, #astronomy, #space, #astrophysics

Geminid Meteor Shower to Light Up Skies in December 2025

Experience the 2025 Geminid meteor shower with up to 120 meteors per hour on Dec 13-14, under a dark sky and crescent moon.

#geminid, #meteorshower, #astronomy, #phaethon, #stargazing

Comet 3I/ATLAS: A Rare Interstellar Visitor Illuminates Our Solar System

Astronomers study Comet 3I/ATLAS, only the third interstellar object known, offering insights into cosmic material and planetary formation.

#space, #astronomy, #comet, #interstellar, #NASA

Astronomers Study Rare Interstellar Visitor: Comet 3I/ATLAS

Comet 3I/ATLAS, an interstellar visitor, offers insights into cosmic materials and behavior as it travels through our solar system.

#comet, #space, #astronomy, #interstellar, #science

New Study Challenges Accelerating Universe: Dark Energy May Be Weakening

Study suggests the universe's expansion may be slowing, challenging our understanding of dark energy and cosmic dynamics.

#universe, #darkenergy, #cosmology, #astronomy

Astronomers Discover New Interstellar Comet 3I/ATLAS

Scientists discover 3I/ATLAS, the third interstellar object, offering insights into its composition and behavior as it brightens near the Sun.

#astronomy, #comet, #interstellar, #space, #3I/ATLAS

Asteroid 2025 TF's Close Flyby Highlights Need for Enhanced Detection Systems

Asteroid 2025 TF's near-Earth pass emphasizes challenges in detecting small, fast-moving celestial bodies and the need for improved monitoring.

#astronomy, #space, #nasa, #esa

Astronomers Observe Rare Disintegration of Rocky Exoplanet BD+05 4868 Ab

Astronomers study BD+05 4868 Ab, a rare disintegrating exoplanet, revealing insights into planetary evolution and composition.

#astronomy, #exoplanets, #tess, #bd054868ab

NASA Detects Unprecedented Gamma-ray Burst GRB 250702B, Challenging Existing Astrophysical Models

GRB 250702B: A groundbreaking, long-duration gamma-ray burst challenges current astrophysical theories, offering new insights into cosmic phenomena.

#nasa, #gammarayburst, #astrophysics, #space, #astronomy

NASA Confirms 6,000th Exoplanet, Advancing Search for Earth-like Worlds

NASA reaches milestone with 6,000 exoplanets confirmed, advancing the search for Earth-like planets and potential extraterrestrial life.

#nasa, #exoplanets, #astronomy, #science, #space

Astronomers Spot Unprecedented Fifth Image in 'Einstein Cross': A Dark Matter Enigma

Astronomers discover a groundbreaking fifth image in 'Einstein Cross,' challenging gravitational lensing models and hinting at unseen dark matter.

#astronomy, #einsteincross, #darkmatter, #gravitationalensing

Astronomers Unveil 2017 OF201: A Discovery Challenging Outer Solar System Models

In May 2025, astronomers discover 2017 OF201, a trans-Neptunian object, prompting a reevaluation of the outer solar system's structure.

#astronomy, #solarsystem, #transneptunian, #space, #discovery