资讯
Astronomers from Bulgaria and Egypt have performed multi-wavelength observations of a well-known blazar designated S5 0716+714. Results of the observational campaign, published June 23 in the Monthly ...
Advances in Very High Energy Astrophysics summarises the progress made by the third generation of imaging atmospheric ...
A galaxy that has remained unchanged for 7 billion years — a rarity in the universe — has been observed by astronomers, ...
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