Science In Action - Looking back in Time 820 million Years - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds

Science In Action - Looking back in Time 820 million Years - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds


Looking back in Time 820 million Years

A glimmer of light from the dark age of the universe observed from Hawaii

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