Category
page 12021 in science
James Webb Space Telescope
NASA/ESA/CSA space telescope launched in 2021
hycean planet
hot, water-covered planet with a hydrogen-rich atmosphere that may harbor lifeforms
solar eclipse of June 10, 2021
solar eclipse
solar eclipse of December 4, 2021
future solar eclipse
May 2021 lunar eclipse
Total lunar eclipse
2021 in science
overview of science-related events during the year of 2021
November 2021 lunar eclipse
Partial lunar eclipse of November 19, 2021
Plan S
a plan for the future of open access in scholarly publishing
Amaterasu particle
cosmic particle
Q112659500
nova in the constellation Hercules
2021 in climate change
overview of the events of 2021 in climate change