Dwarf elephant tooth (L) next to one of normal size (R). The small tooth was discovered by Dorothea Bate around 1901. We are studying the effect of dramatic environmental changes over the last 800,000 ...
A teaspoonful of their matter would weigh as much on Earth as an elephant—5.5 tons ... greatly outshines its white dwarf companion, Sirius B. At 8.6 light-years away, Sirius B is the nearest ...
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