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They don't.
It's just an atmospheric effect that causes the stars light to fluctuate and thus make them appear as if they have the "common" star shape. In reality, they are all basically just round.
If you looked at a star from outer space you would see the difference.
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∙ 14y ago
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What are the bright lights next to the moon?
stars stars stars stars
What are different sizes or stars?
dwarf stars,giant stars,main sequence stars
Where are stalagmites formed?
Stalagmites are formed on the floor or ground of the cave and are spikes facing upward.
How do some stars become shooting stars?
Shooting stars are not stars. They are bits of dirt and dust that burn up in our atmosphere, briefly making them look like stars. Most of that is debris is from comets or others bits of dirt in space, but they are not stars and were not stars. So stars do not become shooting stars.
90 percent of the stars are what stars?
Main sequence stars
Do sea stars have spikes so their predators dont eat them?
no they have penises to make the predator not eat it
birds spikes?
bird spikes
Witch is better spikes or toxic spikes?
toxic spikes becuz spikes is when u switch out a Pokemon when ur opponent uses spikes ur Pokemon get hurt a tiny bit but toxic spikes poison the Pokemon
Do lions have spikes?
No. Lions do not have any spikes.
Is there an armadillo that has spikes?
No, armadillos do not have spikes.
Do spinach plant have spikes?
No they don't have spikes.
What is the meaning of spiked?
of Spike, Furnished or set with spikes, as corn; fastened with spikes; stopped with spikes.
What is the birth name of Charlie Spikes?
Charlie Spikes's birth name is Leslie Charles Spikes.
What is the birth name of John Spikes?
John Spikes's birth name is John Curry Spikes.
What surfaces are good for running on with spikes?
There is different types of surfaces for different spikes: track for track spikes cross country for cross country spikes
How was a morning star used in medieval times?
A morning star is basically a club with spikes. As a club, it could break bones or kill by blunt force, but the spikes added the possibility that it would wound by penetration, and with enough weight behind it, it could penetrate armor. Morning stars were used more by infantry than by knights, as the knights preferred maces, which could not accidentally injure themselves or their horses with spikes.
Why do photos of stars typically show four lines emanating from the stars at right angles to each other?
Those lines are called 'diffraction spikes', and are artifacts of the imaging system. If you search for that term you'll find plenty of detailed explanations out on the internet.
