Researches published a new study explaining mysterious oxygen spike millions of years before it became a permanent part of our Earths atmosphere.
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Scientists used data from orbital probes to identify waves in the magnetic field generated by the Earth’s core.
(7335) 1989 JA is the biggest asteroid that will visit Earth’s vicinity this year. It will pass Earth safely on Friday. In the closest point it will still be 10 times further than the Moon. The asteroid is estimated to be 1,8 km across (1,1 miles).