25th anniversary: Comet Hale–Bopp (pictured) reached its closest approach to Earth at 1.315 AU
History · Anniversaries · Tue, March 22, 2022
1997: Comet Hale–Bopp (pictured) reached its closest approach to Earth at 1.315 AU.
Also on Mar 22, 2022
| Date | Event | When |
|---|---|---|
| Tue, Mar 22, 2022 | World Water Day | 5 yr ago |
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 25 years (1997 to 2022).
- Recurs
- annual
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- Changes
- 2026-09-25: added to 2022-03-22