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"Dust is most likely the reason why the star's light appears to dim and brighten," said lead author Tabetha Boyajian, assistant professor of physics and astronomy at Louisiana State University, for whom "Tabby's Star" is nicknamed.

"During this process, we are exploring how to leverage technologies to introduce and promote more international products to China, aiming to provide Chinese young students with more globalized education resources at a lower price," he noted.

"Entering the industrial internet era, security threats have become more sudden in occurrence and destructive, especially in fields related to national interests and people's livelihoods. Once attacked, it will cause great social impact and huge economic losses," Dowson Tong, president of Tencent's cloud and smart industries group, said Tuesday during the ongoing fifth Cyber Security Summit in Beijing.

"Enjoying the convenience brought by such technology, we do feel like we have already come to live in a world we dreamed of in the past," Mo added.

"Donald Trump is responsible for this. He is responsible because he is stoking fears and hatred and bigotry," US Senator Cory Booker of New Jersey said on CNN's State of the Union.