Earth's Magnetic Field Is 3.5 Billion Years Old
Evidence for the existence of Earth’s magnetic field has been pushed back about 250 million years, new research suggests. The field may therefore be old enough to have shielded some of the planet’s earliest life from the sun’s most harmful cosmic radiation. Earth’s magnetic field was born by 3.45 billion years ago, a team including […]
49 Awesome Photos Of The Solar Eclipse
The best place to see the eclipse was across Asia and parts of the western United States. It was the first solar eclipse visible in North America in nearly 18 years.
Anel de Fogo assombra milhões da Ásia aos Estados Unidos - MDig
Milhões de pessoas tiveram a sorte de testemunhar um espetáculo único entre domingo e segunda-feira (20 e 21/05), quando aconteceu um eclipse solar anular, um fenômeno muito raro onde a Lua passa diante do Sol, deixando visível somente um "anel de...
Solar Eclipse detail Sun Moon c 1855 Astronomy original antique print
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