John L. Tonry

SkyMapper's DR4 offers extensive data on celestial objects across the southern sky.

2025-08-30T08:43:48+00:00 ― 4 min read

Researching exploding stars to understand universe expansion and structure.

2025-08-19T18:31:15+00:00 ― 5 min read

Chiron shows unexpected brightness, hinting at comet-like behavior in 2021.

2025-07-06T04:10:24+00:00 ― 5 min read