Comet

Now rapidly moving away from both the sun and the earth, Comet NEOWISE (C/2020 F3) was only discovered on March 27 and turned out to be the brightest comet visible from the northern hemisphere since Comet Hale–Bopp in 1997. A week ago it was easily visible to the naked eye, but it has dimmed greatly since then. Click to see and read more

Comet C/2019 Y4 ATLAS has been a big disappointment. It was discovered just four months ago, on December 28, 2019. Initially it brightened much more quickly than expected, and there were hopes that it might reach naked-eye visibility in late May when it will pass closest to the sun and to the earth. However its nucleus was observed to fragment by early April, and as a result it started getting dimmer instead of brighter. You can see pictures of the fragments taken by the Hubble Space Telescope by clicking on this link. Click to see and read more