奥运内容碎片化传播下，品牌营销开始要讲究“性价比” - Donews



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Astronomers Were Watching a Black Hole When It Suddenly Exploded With Gamma Rays - Futurism
James Webb telescope solves 20-year-old Hubble conundrum — and it could finally explain why the universe's oldest planets exist - Livescience.com

Dark Energy Debunked: Scientists Claim Accelerated Expansion of the Universe Is Just an 'Illusion' - The Daily Galaxy --Great Discoveries Channel
How are auroras made? Space rocket takes a closer look at the Northern Lights - Earth.com