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December 21, 2020
- NASA Discoveries, R&D, Moon to Mars Exploration Plans Persevere in 2020
- This May Be the First Complete Observation of a Nanoflare
- An Inland Delta Flooded
- 90 Years of Our Changing Views of Earth
- Stellar Jewel Box
- Curiosity’s Spyglass Megamosaic of Mount Sharp
- APOD: 2020 December 21 – Solstice: Sunrises Around the Year