All Things Space, UFOs, etc.3I/ATLAS is Large and Releases Carbon Dioxide (CO2) Posted on September 2, 2025 by Administrator The team of NASA’s SPHEREx space observatory just reported tantalizing new data on the interstellar object 3I/ATLAS (accessible here). The observations were made between August 8–12, 2025 when 3I/ATLAS was at a distance from the Sun of 3.2 times the Earth-Sun separation (AU) and a distance from Earth of 2.6 AU.
