NASA delays Artemis II launch until Mar.
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The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting increased geomagnetic storm activity.
As NASA prepares to send astronauts around the moon, a critical dress rehearsal on Monday will reveal whether its rocket is truly ready to fly.
"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, and modeled potentially observable high-energy signals."