Scientists found for the first time mineral thought to exist only deep within our planet. It was hidden in diamond that was unearthed in Botswana. Scientists needed to use special x-ray lasers to identifi the material. It was named davemaoite after geologist Ho-kwang (Dave) Mao.
Davemaoite has the same chemical composition as another mineral wollastonite (CaSiO3), although both minerals differ in their atomic structure.
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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).
Data from the US Department of Defense confirmed that an interstellar asteroid hit Earth back in 2014. That's three years before the first interstellar object Oumuamua was identified going through the solar system.
Using the radial velocity method astronomers discovered two small exoplanets orbiting nearby star Gliese 1002. The star is a small red dwarf only 16 light years away. The new discovery makes it the 22nd closest planetary system.