Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
Answer:
The tides would occur at a much lower intensity.
Explanation:
Tides are caused by two main factors, the moon, and the wind. The moon plays a bigger part. SO, if the moon were to suddenly begone, scientists estimate that there would still be tides, but just much smaller, maybe about 1/3 of their original size.
The North Celestial Pole is the point in the sky about which all the stars seen from the Northern Hemisphere rotate.