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Asked by Blackhole123 to David, Daniel, Clare on 11 Nov 2014.
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Clare Harding answered on 11 Nov 2014:
Well, we wouldn’t be here for a start!
The word solar means relating to the sun so there would be no solar system, the planets currently orbit the sun and so they wouldn’t keep their orbits if the sun disappeared tomorrow. But also, the planets formed from debris that were orbiting the sun and so the planets wouldn’t have formed if there was no sun.
However, it is technically possible that planets could orbit black holes and so if the sun suddenly became a black hole and the earth was in exactly the right place the planet could perhaps survive although im pretty sure that life wouldn’t!
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Daniel Parsons answered on 11 Nov 2014:
hi there,
oh dear…we would be in a bit of bother… no photosynthesis, no food…we wouldn’t last very long!To give you an idea, when Laki – a big volcano in Iceland exploded only a few hundred years ago the effect of having even a diminished sun was felt across North West Europe. It was cold because the ash obscured the Sun (even the Thames River in London froze right over so people could ice skate on it) – but worse than that lots of crops failed and there were food shortages as a result….some people have related the volcano to causing the French Revolution – all because of the famine that resulted in the sun been partially blocked out for a few years!
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David Wilson answered on 12 Nov 2014:
There are planets out there that have this problem. When planets form around stars there may not be room for all of them, so some get kicked out and are flying along between solar systems. Some studies have suggested that there may be as may of these”orphan” planets as there are stars!
Of course if it happened to Earth then we would all freeze and die. Let’s hope it doesn’t.
Comments
Jessica Watts1234 commented on :
What would happen if there was no moon? would the stars stop shining? Or would it be dark the rest of our lives?
Daniel commented on :
Hi Jessica,
The biggest change we would see on Earth if there was no Moon would be the effect on the tides. Tides are important for so many environments and wildlife because it is all adapted to actually having them! Lots of wildlife also use the moon to navigate – so they would get lost!
But…the moon is actually moving away from the Earth – at about 5 cms a year! – and the strangest thing is that the tides of our oceans are actually pushing it away. That is because the gravitation pull of the Earth-Moon system sets up the tides, but the tidal bulge been ahead of the moon due to the spin of the Earth actually pushes back slightly differently and results inb pushing the moon away and off into space…
danbn commented on :
There would not be a solar system. The stars magnetic field generated out , the heliosphere, protects whats within spacetime in the system. The magnetic field, is also the stirring pot, it’s what causes spacetime motion, to be transferred , at which causes,, accretion to creation of planetary objects.
Since the stat would not have roared to life,, no other (matter) would be blown outward for the first spec of creation,, So the answer would be.
We would be a empty section of space with out anything within it