SUN HAS EXPLOSIVE 24 HOURS OF POWERFUL SOLAR FLARES As for Neptune's natural satellites, Sheppard said they were first spotted in 2021. During follow-up observations in 2022 and 2023, more data ...

Both moons, which bring the total of Neptune’s known natural satellites to 18, were first spotted in September 2021, but required follow-up observations with different telescopes over the past ...

The arrival of this planetoid is also thought to have caused a shakeup with Neptune's natural satellites, causing them to break up and coalesce to form new moons. It's also theorized that Triton ...