Lower tides, but 46 percent of tides are because of the Sun's gravity. A few species that live on the intertidal zone might become extinct if they could not adapt. The tilt of Earth's rotational axis is stabilized by the gravitational effects of the Moon on the Earth, but those catastrophic scenarios of the tilt of Earth's rotational axis changing suddenly violates all the basic laws of physics about conservation mass, energy, and momentum.
"...What would we do without the moon?
January 12, 2012 - 08:00
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How would it be on Earth if the Moon had never existed? Would we be in trouble if our celestial satellite were to leave us?
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Keywords:Planets, The universe.
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By: Hanne Jakobsen
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As long as humans have looked up at the night sky, the Moon has been a reliable friend. Good thing for us. (Photo: NASA)
The question arose one evening after Christmas, fittingly beneath a nearly full Moon. What if this bright sphere we are so accustomed to in the sky just weren’t there? How would our planet get by without it?
A few consequences come immediately to mind: Neil Armstrong’s life would have been less exciting. Audrey Hepburn wouldn’t have sat on the stairs with a guitar and played “Moon River” in the movie Breakfast at Tiffany’s. And the myth of werewolves wouldn’t have existed – at least not in the form we know it today.
And of course it would be darker at night.
But what major outcome would it have on the Earth in general?
We contacted Kaare Aksnes, professor emeritus at the Institute for Theoretical Astrophysics at the University of Oslo for an answer.
“In short we would have less difference between high and low tides, shorter days and a more extreme climate,” he says.
Half the tides
Lunar gravitation is greater on the side of Earth facing the Moon than it is on the centre of our planet. And its gravitational attraction on the centre of the Earth is stronger than on the opposite side of our planet. This makes ocean water bulge outward on either side of the planet.
"...What would we do without the moon?
January 12, 2012 - 08:00
.
.
How would it be on Earth if the Moon had never existed? Would we be in trouble if our celestial satellite were to leave us?
.
Keywords:Planets, The universe.
SendPDFPrint.
..
.
By: Hanne Jakobsen
.
As long as humans have looked up at the night sky, the Moon has been a reliable friend. Good thing for us. (Photo: NASA)
The question arose one evening after Christmas, fittingly beneath a nearly full Moon. What if this bright sphere we are so accustomed to in the sky just weren’t there? How would our planet get by without it?
A few consequences come immediately to mind: Neil Armstrong’s life would have been less exciting. Audrey Hepburn wouldn’t have sat on the stairs with a guitar and played “Moon River” in the movie Breakfast at Tiffany’s. And the myth of werewolves wouldn’t have existed – at least not in the form we know it today.
And of course it would be darker at night.
But what major outcome would it have on the Earth in general?
We contacted Kaare Aksnes, professor emeritus at the Institute for Theoretical Astrophysics at the University of Oslo for an answer.
“In short we would have less difference between high and low tides, shorter days and a more extreme climate,” he says.
Half the tides
Lunar gravitation is greater on the side of Earth facing the Moon than it is on the centre of our planet. And its gravitational attraction on the centre of the Earth is stronger than on the opposite side of our planet. This makes ocean water bulge outward on either side of the planet.
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