Astronomers using NASA's Chandra X-ray Observatory found that this pulsar, known as PSR J0357+3205 (or PSR J0357 for short), apparently has a long, bright X-ray tail streaming away from it.
天文学家通过美国宇航局(NASA)的钱德拉(Chandra )X射线天文台,发现了这个被称作PSRJ0357+3205(或简称为 PSR J0357)的脉冲星。 很明显,它留下了一条长而明亮的 X 射线尾巴。
The first gift, it is a toy, and is very furry. It has two long ears, and short tail. It likes to eat carrot.
第一件礼物:它是个玩具,有很多毛,两只耳朵长长的,尾巴短短的,作为动物它喜欢吃萝卜。
The first gift, it is a toy, and is very furry. It has two long ears, and short tail. It likes to eat carrot.
第一件礼物:它是个玩具,有很多毛,两只耳朵长长的,尾巴短短的,作为动物它喜欢吃萝卜。
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