Today In Space
Last Updated: Sunday, Oct. 19, 2025, 8:45 PM PDT
2025-10-19T20:45:01.836309-07:00 2025-10-19T20:45:01.836309-07:00 (2025-10-19T20:45:01.836309-07:00)
Universe Today
• Andy Tomaswick
Constraints On Solar Power Satellites Are More Ground-Based Than Space-Based
By Universe Today: Space-based solar power has been gaining more and more traction recently. The recent success of Caltech’s Space Solar Power Project, which demonstrated the feasibility of transmitting power from space to the ground, has been matched by a number of pilot projects throughout the world, all of which are hoping to tap into some of the almost unlimited and constant solar energy that is accessible up in geostationary orbit (GEO).
SpaceNews.com
• Andrew Jones
China resumes Thousand Sails launches; CAS Space lofts new international payload
By SpaceNews.com: China resumes launches for Thousand Sails constellation, CAS Space launches new international payload China conducted the first launch for the Thousand Sails constellation since March as the country continues its recent rapid rate of orbital launches.
China builds 15‑m submillimeter telescope on Tibetan Plateau, could transform space science by 2027
By prototypingchina.com: China quietly began building a 15-meter submillimeter telescope on the Tibetan Plateau to uncover cosmic secrets—and it could transform space science by 2027.
SpaceX launches Starlink 10-17 mission from Cape Canaveral Space Force Station in Florida
By Florida Today: SpaceX launches Falcon 9 rocket on Starlink 10-17 mission at 1:39 p.m. Sunday, Oct. 19, from Cape Canaveral Space Force Station in Florida.
Space.com
• Mike Wall
SpaceX to launch its 10,000th Starlink on Falcon 9’s record 31st flight
By Space.com: SpaceX extended its rocket-reuse record again today (Oct. 19).
Universe Today
• Matthew Williams
Mars’ Crater Ice Archives Reveal Multi‑Epoch Ice Ages and Hidden In‑Situ Resource Opportunities
By Universe Today: Mars has experienced multiple ice ages, with each one leaving less ice than the last. By studying craters that serve as “ice archives,” researchers traced how the red planet stored and lost its water over hundreds of millions of years.
Ars Technica
• Stephen Clark
Artemis II spacecraft reaches final pre-launch processing ahead of rollout despite US government shutdown
By Ars Technica: Preparations for the Artemis II mission continue despite the federal government shutdown.
