Free Astronomy Magazine September-October 2023

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’ September-October 2023 BI-MONTHLY MAGAZINE OF SCIENTIFIC AND TECHNICAL INFORMATION FREELY AVAILABLE THROUGH THE INTERNET English edition of the magazine The Extremely Large Telescope is now half completed Protostars and dark clouds collide in the stellar nursery Webb celebrates first year of science with Rho Ophiuchi A chemical may help detect and confirm protoplanets Hubble sees boulders escaping from asteroid Dimorphos Webb identifies the earliest strands of the cosmic web Webb detects water vapor in rocky planet-forming zone Never-before-seen way to annihilate a star Does this exoplanet have a sibling sharing the same orbit? Webb makes first detection of crucial carbon molecule ALMA digs deeper into the mystery of planet formation 4 10 12 16 20 24 28 34 38 42 48