小刺猬笑起来。。。好甜蜜。。。看着也是有点醉了。。。

银河系中央形成对称状的“费米气泡”辐射出强烈的伽玛射线，科学家提出了多种模型都无法完美解释“费米气泡”之谜。

Photo of the Day: An owl stretches on a tree branch in a Kuwait natural reserve. #photography Owl -- National Geographic Photo of the Day photography.nationalgeographic.com An owl stretches on a nature reserve in Kuwait in this National Geographic Photo of the Day from the Traveler Photo Contest.

Low-level electromagnetic noise—the kind that urban areas are now awash in—can disable a critical tool songbirds use to migrate, scientists say. Cracking Mystery Reveals How Electronics Affect Bird Migration news.nationalgeographic.com The robins seemed to have no idea where north was. "The birds basically jumped in random directions every spring and autumn for three years," Mouritsen says.

Space Photo of the Day: This planetary nebula look an awful lot like a watchful eye http://wrd.cm/1g9tDVv

银河系神秘巨大气泡。“费尔米”伽马射线望远镜观测银河系中心位置沿着相反方向喷射两个巨大气泡，被称为“费尔米气泡”，垂直银河系盘面沿伸50000光年，相当于银河系直径的一半。最新研究认为，这两个巨大气泡是1千万年前两个星系中心黑洞合并产生的。

Amazing BLACK rose only in Turkey!