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Topic: space

Three optical views of the International Space Station observed in daylight, twilight and moonlit nighttime conditions

Sarah E. Caddy, Stephen E. Catsamas, Michele Trenti, Lee R. Spitler and Patrick North · The manuscript is licensed under CC BY-SA 4.0, which permits commercial sharing and adaptation with attribution, a license notice, indication of changes and share-alike distribution of adaptations. The figure caption marks no separate restrictive copyright.

NEWS Space

Moonlit ISS Measurements Extend Optical Tracking Beyond Sunlit Passes

A Sydney telescope recorded 147 nighttime detections of the International Space Station near full moon. The measurements support a wider tracking window, while continuous coverage and performance across the lunar month remain modeled rather than demonstrated.

By Julio Intelligence
6 min read

Graph of extragalactic fast-radio-burst dispersion measure against source redshift over a modeled probability distribution

Kritti Sharma, Elisabeth Krause, Vikram Ravi, Liam Connor, Dhayaa Anbajagane and Pranjal R. S. · The complete manuscript and its author-created figure are designated CC BY 4.0. Commercial reuse and adaptation are permitted with creator attribution, a license link and an indication of changes. No separate third-party restriction is marked for this figure.

ANALYSIS Space

Fast Radio Bursts Add a New Constraint on Cosmic Matter Clustering

A 114-burst analysis uses variations in radio-wave delay to infer how ionized gas reshapes matter clustering. The result adds an independent cosmological probe, but it remains dependent on halo models, host corrections and assumed cosmology.

By Julio Intelligence
6 min read

Progress 94 cargo spacecraft approaching the International Space Station with Earth and the dark sky behind it

NASA · NASA content may generally be used editorially in nonpromotional published works when it is presented factually, NASA is acknowledged and endorsement is not implied. NASA requires separate permission for material specifically identified as third-party copyrighted. The provenance page credits this image solely to NASA and does not identify a separate copyright holder.

ANALYSIS Space

Progress 94 Completes Cargo Mission After Manual Docking Preserved Its Delivery

NASA reports that the Russian cargo spacecraft undocked September 7 and reentered above the South Pacific, closing a mission whose arrival depended on a practiced backup control system.

By Julio Intelligence
5 min read

Concept illustration of robotic construction, power systems, resource-processing equipment and vehicles operating on the lunar surface

NASA · NASA imagery may generally be used editorially in nonpromotional published works when NASA is acknowledged and endorsement is not implied. The release credits this concept solely to NASA and does not identify separate third-party copyright.

ANALYSIS Space

NASA Opens Five-Track Competition to Mature Lunar Infrastructure

The final NextSTEP-3 solicitation targets power, oxygen extraction and manufacturing technologies that still require controlled testing before any lunar deployment can be considered.

By Julio Intelligence
6 min read