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A paper in Nature presents observations of what may be the first known three-tiered hierarchical system — a satellite orbiting a brown dwarf, which in turn orbits a star. It remains unclear whether the satellite is an exoplanet or an exomoon. go.nature.com/4gRV6TP
Western Sydney International Airport is now open ✈️ This is what building Australia’s future looks like. WSI Nancy-Bird Walton Airport will connect Western Sydney and Australia to the world with 24/7 flights. That means more jobs, opportunity and growth to millions of
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探讨影響世界的各種過程、事件與決策的深度內容。我們精選的不只是事實，也包含能幫助理解其意義、原因與影響的內容。
