Oil has been spewing from the damaged well since the rig sank on april 22 .
4月22日钻井平台沉没之后，石油一直源源不断地从破损的油井中喷出。
Perhaps what 's different about them , mcdonald says , is that the cooling of gas flowing into the center is slowed down by the heating effect of a black hole spewing out material from the center of the cluster .
The big bang is thought to have occurred 15 billion years ago when an unimaginably dense and hot object the size of a small coin exploded in a void , spewing out matter that expanded rapidly to create stars , planets and eventually life on earth .
When bp 's macondo well began spewing oil into the gulf of mexico , the firm was in the midst of an effort to persuade canada 's energy regulator that safety standards for offshore drilling in the canadian arctic were expensive , impractical and should be relaxed .
