Could the mathematical ‘shape’ of the universe solve the cosmological constant problem?April 21, 2026
This rather creepy photo is Artemis II’s heat shield underwater, as taken by the U.S. Navy. This is the first photo we have of the heat shield, and upon initial examination it doesn’t seem to have the char loss that Artemis I’s had.April 21, 2026
Astronomers identify the interstellar comet 3I/ATLAS as the largest water emitter ever recorded among visitors from other solar systems.April 21, 2026
Acquisition details Stock Nikon Z50 Nikkor 50-250 mm f4.5-6.3 kitlens @250 f6.3 Iexos-100-2pmc tracking mount 1hr from bortle 3 and 1 hr from bortle 4 Data stacked in DSS, processed in siril. image 1 is reprocessed by Independent_Lie9634