Astronomers stand up to satellite mega-constellations

Astronomy is finally putting up a co-ordinated front to defend its interests as thousands of satellites are placed in the sky. Huge networks of spacecraft are being launched that are making it harder to get a clear view of the cosmos. These low-orbiting, fast-moving satellites leave bright streaks across telescope images. The International Astronomical Union is establishing a new centre to focus the community's response. More

(Source: BBC - Feb 5)