资讯

The Weather Network16 小时
The best space telescope you never heard of just shut down
On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut down its communication systems and central computer and said goodbye to this ...
New astronomy trail debuts in Tucson, a city protective of its dark skies
A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...
Why Tucson is one of the best places in the world to see the night sky
A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...