This is a very powerful black hole. Not by universal standards, it's still powerful, 这是一个强有力的黑洞。虽然不是公认的，但它依然非常强大， and from the north and south poles of this black hole we think that jets are comin
THE PRESIDENT: Thank you all very much. We've just finished our meetings here in Japan. I would call them very productive. Our goal was to make progress in five key areas: confronting climate change,
Dear everyone, Good evening, everyone! Throughout my years of being a student, I’ve had many teachers. none of them are the same, but the one that i’ll never forget and will always miss
