After nearly 20 years of development and 16 launch delays, the James Webb Space Telescope (JWST) is almost ready. Set to launch on 31 October 2021, the largest space observatory ever built is set to revolutionise our understanding of the...
The plant rotates 16 times a day, but each time it passes several places above the ground. This is due to the rotation of the earth. The second reason is that we often do not see the plant. That is...
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