2001 in science

The tetraoxygen molecule (O4), also called oxozone, is an allotrope of oxygen consisting of four oxygen atoms.

overview of natural science-related events during the year of 2001

Thracian burial mound and tomb

solar eclipse

cloned cat

solar eclipse

Early neolithic and bronze age burial site at South Uist, Great Britain

Penumbral lunar eclipse December 30, 2001

Total lunar eclipse 9 January 2001

Partial lunar eclipse 5 July 2001

series of interstellar radio transmissions

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