A new, bright green comet, officially designated Comet C/2025 F2 (SWAN), has been discovered by an amateur astronomer. It was spotted by Michael Mattiazo using imagery from SWAN, an instrument on the European Space Agency’s SOHO spacecraft, in…
A new, bright green comet, officially designated Comet C/2025 F2 (SWAN), has been discovered by an amateur astronomer. It was spotted by Michael Mattiazo using imagery from SWAN, an instrument on the European Space Agency’s SOHO spacecraft, in…