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How many years ago did the big explosion occur?
What explosion And if you are talking about the Big bang it happened about 13.7 billion years ago
Olypics occur how many years?
Olympics occur how many years
What happened during an event called Cambrian Explosion?
The sudden increase in invertebrate fossil diversity
How many times do leaps years occur?
Leap years occur every four years.
How many leap years occur in 50 years?
As least 11 but no more than 13 leap years occur in 50 years.
How long does a oil spill take to clean?
If you mean, "How long ago did it occur," then the actual explosion that triggered the spill occurred on April 20th, 2010. If you are referring to the duration of the spill, then it is technically still an issue.
How many years does the winter Olympics occur?
the years are 6
Lead years occur every how many years?
four
Leaps years occur every how many years?
Every 4 years.
Which star has the greatest probabilty of producing a supernova explosion?
There are many, as too there are many stars. Most supernova explosions are outside of our Galaxy and can occur at any time. So when a supernova explosion is witnessed, it's a rare event. Within our galaxy, or at least within visual with the naked eye, it has to be Betelgeuse. At only 600 light years from us, it is already experiencing the precursor to a supernova eruption. When it will occur - or more correctly - when will we observe it, is any ones guess, but it is expected within humanities lifetime.
How many years ago did the persecution of Jews occur?
About 60 years ago.
Leap years ocour every how many years?
Leap years occur every 4 years.
