SpaceTime Series 25 Episode 65
*New study says Earth’s magnetic poles aren’t about to flip
A new study claims the South Atlantic Anomaly -- a mysterious region where the Earth’s geomagnetic field strength is decreasing rapidly – does not mean the planet’s poles are about to flip polarity. The findings reported in the journal PNAS pieces together evidence stretching back 9,000 years and suggests that the current changes aren’t unique, and that a reversal may not be in the cards after all.
*Discovery that Mercury has magnetic storms
A new study has confirmed that Mercury the nearest planet to the Sun and the solar system’s smallest planet, has geomagnetic storms similar to those on Earth. The findings reported in the journal Nature Communications answers the question of whether other planets, including those outside our solar system, can have geomagnetic storms regardless of the size of their magnetosphere or whether they have an Earth-like ionosphere.
*Striving for the Moon
When the crew of Apollo 17 blasted off from the surface of the Moon in 1972 no one thought it would be over half a century before people returned. As political priorities changed on Earth -- the Moon was forgotten and a generation of scientific endeavour was moth balled.
*The Science Report
Further increases in coral bleaching and the hottest sea temperatures on record.
Eating more fish linked to a greater risk of malignant melanoma.
Yet another reason to start the day by drinking a cup of coffee.
Alex on Tech Apple’s glimpse of upcoming changes to iPhone software.
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