Free Astronomy Magazine July-August 2026

Editor in chief Michele Ferrara Scientific advisor Prof. Enrico Maria Corsini Publisher Astro Publishing di Ferrara M. 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 Ferrara M. or included with permission of its author. Reproduc- tion or retransmission of the materials, in whole or in part, in any manner, without the prior written consent of the copyright holder, is a violation of copyright law. A single copy of the ma- terials available through this course may be made, solely for personal, non- commercial use. Users may not distrib- ute such copies to others, whether or not in electronic form, whether or not for a charge or other consideration, without prior written consent of the copyright holder of the materials. The publisher makes available itself with having rights for possible not character- ized iconographic sources. Advertising - Administration Astro Publishing di Ferrara M. Via Bonomelli, 106 25049 Iseo - BS - ITALY email admin@astropublishing.com ASTROFILO l’ July-August 2026 BI-MONTHLY MAGAZINE OF SCIENTIFIC AND TECHNICAL INFORMATION FREELY AVAILABLE THROUGH THE INTERNET English edition of the magazine 3I/ATLAS formed in a far colder world than our own Why does Jupiter have more large moons than Saturn? Webb redefines the boundary between planets and stars TNO 2002 XV 93 has an atmosphere but shouldn’t WASP-189 b echoes the composition of its host star VLBA maps turbulent “weather” in the Milky Way Persistent mismatch in the expansion of the local Universe The more massive star clusters emerge more quickly This is how protoplanetary disks form DESI completes planned 3D map of the Universe Rubin Observatory reveals over 11,000 new asteroids 4 6 12 20 22 30 32 36 40 42 48