Deep Field writes that the Canadian Hydrogen Intensity Mapping Experiment (CHIME) has released a second catalog containing 4,539 fast radio bursts from 3,641 distinct sources. These observations were collected over more than five years of continuous sky-watching between July 2018 and September 2023 using a unique telescope in British Columbia that features four stationary half-pipe reflectors with no moving parts.
- The telescope uses digital signal processing to form 1,024 beams electronically rather than physically steering dishes.
- Of the detected bursts, 981 originated from 83 known repeating sources.
- Fast radio bursts can be used to map the distribution of diffuse, low-density gas between galaxies by analyzing dispersion measures.
- Magnetars are currently a leading candidate for the physical source of these cosmic explosions.
- The telescope uses digital signal processing to form 1,024 beams electronically rather than physically steering dishes.
- Of the detected bursts, 981 originated from 83 known repeating sources.
- Fast radio bursts can be used to map the distribution of diffuse, low-density gas between galaxies by analyzing dispersion measures.
- Magnetars are currently a leading candidate for the physical source of these cosmic explosions.
Meghan Bartels writes that astronomers are preparing to test equipment for the NASA Nancy Grace Roman Space Telescope, specifically focusing on its coronagraph technology. If successful, this advancement will be instrumental in helping scientists identify Earth-like planets by effectively blocking out bright starlight to reveal much fainter orbiting objects.
- The telescope's coronagraph is designed to enable a "leap" in discovering exoplanets similar to our own.
- Testing these instruments is crucial for the future goal of finding habitable worlds outside our solar system.
- The telescope's coronagraph is designed to enable a "leap" in discovering exoplanets similar to our own.
- Testing these instruments is crucial for the future goal of finding habitable worlds outside our solar system.
>"Announcing V2 of my stellar atlas inspired by the in-ship map on Project Hail Mary! "
The Vera C. Rubin Observatory in Chile is ushering in a new era of big-data astronomy by creating an expansive time-lapse movie of the night sky over the next decade. Preliminary data from the observatory has already revealed fascinating phenomena, including exceptionally fast-rotating large asteroids and early detections of interstellar visitors.
A review of the DWARF mini Smart Telescope, a portable device designed for astrophotography. The article details its features, performance, and ease of use, comparing it to traditional astrophotography setups and highlighting its potential for both beginners and experienced photographers.
Interstellar Comet 3I/ATLAS experienced a dramatic increase in activity after its closest approach to the Sun, with all types of ice sublimating and releasing organic molecules like water, carbon dioxide, and hydrocarbons. This suggests a unique formation history and composition.
A decades-long search for extraterrestrial intelligence, initially powered by volunteers using their home computers, has yielded 100 intriguing signals that UC Berkeley scientists are now investigating with more powerful telescopes.
Five years after the collapse of the Arecibo Telescope, a radio telescope is back online. The signal is back.
The interstellar comet 3I/Atlas, only the third confirmed interstellar object ever detected, is being closely observed by spacecraft like Juice and Hubble as it approaches the Sun and Earth.
NASA confirms that 3I/ATLAS is an interstellar comet, dismissing speculation about alien origins. The agency shared images and data from multiple space missions to support this conclusion.
