Earth from Apollo 17 mission
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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.
Astronomers led by Byeong-Cheol Lee have made a groundbreaking discovery, detecting a brown dwarf orbiting the red giant HD 18438. With a radius of 89 times that of the Sun, HD 18438 is now the largest known star to be orbited by an exoplanet or brown dwarf.
24. 02. 2022 
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