Free Astronomy Magazine January-February 2024

Editor in chief Michele Ferrara Scientific advisor Prof. Enrico Maria Corsini Publisher Astro Publishing di Pirlo L. Via Bonomelli, 106 25049 Iseo - BS - ITALY email info@astropublishing.com Internet Service Provider Aruba S.p.A. Via San Clemente, 53 24036 Ponte San Pietro - BG - ITALY Copyright All material in this magazine is, unless otherwise stated, property of Astro Publishing di Pirlo L. or included with permission of its author. Reproduction or retransmission of the materials, in whole or in part, in any manner, with- out the prior written consent of the copyright holder, is a violation of copy- right law. A single copy of the materi- als available through this course may be made, solely for personal, noncom- mercial use. Users may not distribute such copies to others, whether or not in electronic form, whether or not for a charge or other consideration, with- out prior written consent of the copy- right holder of the materials. The publisher makes available itself with having rights for possible not charac- terized iconographic sources. Advertising - Administration Astro Publishing di Pirlo L. Via Bonomelli, 106 25049 Iseo - BS - ITALY email admin@astropublishing.com ASTROFILO l’ January-February 2024 BI-MONTHLY MAGAZINE OF SCIENTIFIC AND TECHNICAL INFORMATION FREELY AVAILABLE THROUGH THE INTERNET English edition of the magazine Is the universe really 26.7 billion years old? NOIRLab on track to reduce carbon emissions by half Changing conditions around the young star SZ Chamaeleontis Astronomers detect most distant fast radio burst to date Webb detects tiny quartz crystals in clouds of hot gas giant Webb reveals new features in the heart of Milky Way Gemini North unveils the formation of dense dwarf galaxy ‘fossils’ Hubble measures the size of the nearest transiting Earth-sized planet Gas recycling process near a supermassive black hole unveiled Circumstellar disk discovered for the first time in another galaxy The Crab Nebula seen in new light by Webb 4 12 16 20 22 28 30 36 38 44 48