On the tracks of the Earth’s mantle helium
Its source unknown, the mantle escapes in lava plumes
from The Hindu - Science http://bit.ly/2QTYTVT
from The Hindu - Science http://bit.ly/2QTYTVT
Explained | All we know about the Bernardinelli-Bernstein comet, the largest one ever seen
The challenge of measuring the size of the Bernardinelli-Bernstein comet was to separate its nucleus from the coma. from The Hindu - Science https://ift.tt/baw0ogJ
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