Pulsars
A bizarre exoplanet named PSR J2322-2650b, orbiting a rapidly spinning neutron star, has been detected more than 2000 light years away. Its atmosphere contains molecular carbon, defying expectations for such worlds. The planet's unusual shape and extreme conditions puzzle scientists.
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Researchers at Hirosaki University have suggested a method to identify the source of ultra-low-frequency gravitational waves by looking for 'beat' patterns in pulsar signals. This approach could distinguish between waves from cosmic inflation and those from supermassive black hole binaries. The proposal builds on 2023 evidence from pulsar timing arrays that falls short of full confirmation.