美国。生活。摄影。行记。学习。Electrical Engineering Undergraduate student.

世界最伟大的理论物理学家之一,于三月十四日去世。
谢谢你鼓励了千千万万的学子。


The greatest theoretical physicist in his time, Stephen Hawking. Thank you for your service to the science of humanity on this little blue dot.

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