资讯

Astronomy10 小时
Astronomers find a strange pulsar blinking in slow motion
PSR J0311+1402 flashes every 41 seconds — quite slow for a pulsar. It could help bridge the gap between fast- and ...
Astronomy23 小时
The Sky This Week from April 25 to May 2: Venus at its brightest
View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.