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As new observations reveal the outer edges of IC 1101 for the first time, scientists have confirmed it is the largest known galaxy. The galaxy’s statistics are staggering, containing an estimated 3.4 trillion solar masses of stars and spanning roughly 1.7 million light-years, eclipsing every other known galaxy.
IC 1101 belongs to a class known as brightest cluster galaxies (BCGs), which form as massive galaxies spend billions of years absorbing smaller neighboring galaxies.
The new images are the deepest ever taken of the galaxy, and were revealed in a recent paper accepted for publication in a future issue of Astronomy and Astrophysics, but available now in preprint form on the arXiv server.
Despite their enormous sizes, BCGs are notoriously difficult for astronomers to study. Because they are built through the gradual merger of many smaller galaxies, their outer regions are extremely faint, containing diffuse stellar halos and tidal tails left behind by ancient collisions. These wispy edges often blend into the free-floating gas and stars that fill galaxy clusters, making it difficult to determine precisely where the galaxy ends and the surrounding cluster begins.
Carlos Marrero-de la Rosa of the Astrophysical Institute of the Canary Islands led the new study, focusing on IC 1101, the dominant galaxy at the center of the Abell 2029 galaxy cluster.
The research relied on ultra-deep images captured with the Wide Field Camera at the Isaac Newton Telescope, allowing astronomers to resolve the galaxy’s diffuse outer boundary in unprecedented detail.
With the number of satellites orbiting Earth increasing dramatically in recent years, astronomers have raised concerns about artificial light pollution. In this case, however, the researchers faced interference from a far more distant source: foreground stars within our own galaxy.
These stars, located between Earth and IC 1101, scatter light across telescope images, washing out the extremely faint structures astronomers are attempting to detect. Since the galaxy’s outermost regions are already difficult to distinguish, any additional scattered light significantly reduces image contrast.
To overcome this problem, the researchers constructed a detailed model of how the telescope spreads light using dozens of calibration stars. The model allowed the team to accurately subtract scattered light from more than 250 foreground stars, bringing IC 1101’s faintest structures into much sharper contrast and enabling a more precise measurement of its true extent.
IC 1101’s immense scale becomes even more striking when compared with our own Milky Way. The astronomers measured IC 1101 at roughly 520 kiloparsecs across—about 17 times wider than the Milky Way’s approximately 30-kiloparsec diameter. Even after accounting for all forms of mass, including elusive dark matter, scientists estimate that the Milky Way contains only about 1 to 1.5 trillion solar masses of material, compared with the 3.4 trillion solar masses contained in the stars of IC 1101 alone.
Researchers also found evidence that the giant galaxy continues to grow. They identified eight structures beyond its main edge, two of which align with previously observed X-ray disturbances that suggest ongoing accretion. According to the team, IC 1101 likely collided with another galaxy group between two and three billion years ago, producing a merger that continues to shape the galaxy today.
The paper, “How Large Can Galaxies Be? Ultra-Deep Imaging of IC 1101, the Most Extended Known Galaxy,” is available on arXiv, ahead of later publication in Astronomy and Astrophysics.
Ryan Whalen covers science and technology for The Debrief. He holds an MA in History and a Master of Library and Information Science with a certificate in Data Science. He can be contacted at ryan@thedebrief.org.
Apple has not officially announced any first-party security camera, but multiple reports from analysts and journalists indicate the company is developing one (and possibly related products like a video doorbell) to compete more directly with Amazon’s Ring and Google’s Nest. The effort forms part of a wider smart-home hardware expansion that also includes a home hub and updated speakers.
Core Rumors and Sources
Analyst Ming-Chi Kuo reported in late 2024 that Apple was preparing a wireless smart home IP camera for mass production in 2026, with ambitions for millions of units annually and assembly by Goertek. The device is described as designed for tight wireless integration with other Apple products and expected to leverage Siri and Apple Intelligence.
Bloomberg News’ Mark Gurman has repeatedly covered Apple’s smart-home plans, stating the company is working on multiple types of cameras and home-security products. One reported design is a battery-powered camera lasting several months to a year on a charge. It would include facial recognition and infrared sensors to identify people in a room, supporting automation such as turning lights off when someone leaves or playing preferred music for a recognized family member. Users are expected to place cameras throughout the home for both security and presence-based automation.
A Face ID-equipped video doorbell has also been rumored; it could recognize residents and wirelessly unlock a compatible deadbolt. Reports suggest the doorbell may lag behind the primary security camera in development.
Internal code references to a device codenamed J229 (mentioned in late 2025 reporting) describe capabilities including image capture, alarm-sound detection, and multiple sensors (features obviously consistent with a security camera). Some coverage linked support for it to a spring 2026 software window, though timelines have since been described as more fluid.
Expected Features and Ecosystem Fit
Any Apple camera would almost certainly rely on HomeKit Secure Video, which already provides end-to-end encrypted streaming and recording to iCloud+ (with local analysis on a home hub such as a HomePod or Apple TV). Apple has recently expanded the platform: iOS 27 and related software add 4K support for compatible cameras, AI-generated text descriptions of footage, natural-language search across clips (e.g., “package delivery”), and grouping of noteworthy events across multiple cameras. These AI features reportedly require a higher-tier (2 TB) iCloud+ plan.
An official Apple camera would be expected to offer deeper, native integration than third-party options—potentially stronger on-device intelligence, seamless Siri/Apple Intelligence features, and privacy guarantees aligned with Apple’s usual approach (encrypted video that even Apple cannot access). Specifics on resolution, night vision, field of view, indoor vs. outdoor designs, or exact form factor remain unconfirmed.
Timing and Status
Early reports pointed toward 2026 availability, with some speculation around a spring window or a March 2026 “Apple Experience” event. More recent coverage (as of mid-2026) treats the latter half of 2026 or later as the more realistic window, noting that earlier expectations have slipped and that no official confirmation, pricing, detailed specs, or prototypes have been made public.
Apple already supports a limited selection of third-party HomeKit Secure Video cameras (from brands such as Eve, Aqara, Logitech, and others). A first-party device would give the company direct hardware control and a clearer path to showcase new Home app and Apple Intelligence capabilities.
MacDailyNews Take: Credible info from Kuo, Gurman, and others consistently points to Apple developing at least one battery-powered, privacy-oriented security camera with facial/presence sensing for automation, plus possible related products such as a Face ID doorbell. Everything remains unannounced and speculative on exact design, price, and launch date as of late July 2026. Further clarity will depend on official statements or stronger supply-chain evidence.
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