Tag

Gravitational Lenses

All articles tagged with #gravitational lenses

space1 month ago•55 min saved

AI hunts Hubble archives, finds 1,300 cosmic anomalies, many still unclassified

AI researchers used AnomalyMatch to scan 100 million Hubble Legacy Archive image cutouts, revealing about 1,300 unusual objects—800 newly discovered—including merging galaxies, stars with trailing gas, and several gravitational lenses; dozens defy current classification. The work, published in Astronomy & Astrophysics, demonstrates AI can accelerate discovery in vast archival datasets and may help future surveys from Euclid, the Nancy Grace Roman Telescope, and the Rubin Observatory manage the data deluge.

via Live Science|

#anomaly-match #artificial-intelligence #astronomical-anomalies

science-and-technology2 years ago•4 min saved

"Revolutionary Power Transmission: Harnessing Gravitational Lenses for Interstellar Energy Transfer"

Scientists have proposed using gravitational lenses, such as the Solar Gravity Lens (SGL), to transmit power from star to star. By utilizing the amplification properties of gravitational lenses, advanced civilizations could potentially create an interstellar power transmission network. This concept could have significant implications for astronomy, the search for extraterrestrial intelligence (SETI), and the development of space-based solar power systems in interstellar space. While the feasibility of interstellar power transmission has been demonstrated, further research is needed to address various technical challenges.

via Phys.org|

#gravitational-lenses #interstellar-communication #power-transmission

science-and-technology2 years ago•4 min saved

"Revolutionary Power Transmission: Harnessing Gravitational Lenses for Interstellar Energy Transfer"

A recent paper by NASA scientist Slava Turyshev explores the possibility of using gravitational lenses, specifically the Sun as a Solar Gravity Lens (SGL), to transmit power from star to star. Turyshev's research builds on previous studies that have examined the physics of gravitational lenses and their potential applications in astronomy and interstellar communication. By utilizing the amplification properties of gravitational lenses, it may be possible to beam energy over interstellar distances, opening up new possibilities for interstellar exploration and settlement. While the mathematics behind this concept are sound, further research is needed to address various technical challenges and refine the feasibility of interstellar power transmission.

via Universe Today|

#gravitational-lenses #interstellar-power-transmission #science-and-technology

science2 years ago•2 min saved

"Einstein's Unseen Phenomenon Finally Witnessed by Scientists"

The European Southern Observatory's Very Large Telescope has captured evidence of an "Einstein Cross," a phenomenon predicted by Albert Einstein but believed to be unobservable. The Einstein Cross occurs when gravitational lensing, the object being observed, and the viewer's perspective align perfectly, resulting in a mirroring effect that makes it appear as if multiple objects are surrounding each other. This discovery confirms the existence of the Einstein Cross and highlights the importance of proving theories in our understanding of the universe.

via BGR|

#astrophysics #einstein #einstein-cross

astronomy2 years ago•6 min saved

Explosive Potential: Dark Matter Accumulation in Dead Stars

Astronomers are using gravitational lenses and advanced telescopes like the James Webb Space Telescope (JWST) to search for evidence of dark matter in the form of small clumps or halos. Recent studies have produced contradictory findings, with some suggesting the existence of fuzzy dark matter and others ruling it out. Researchers are also studying stellar streams and binary stars to look for anomalies that could be caused by interactions with dark matter. While no definitive evidence has been found yet, upcoming technology and observatories like the JWST, the Nancy Grace Roman Space Telescope, and the Vera C. Rubin Observatory hold promise for deeper exploration of dark matter structures in the universe.

via Quanta Magazine|

#astronomy #cold-dark-matter #dark-matter