Starlink Satellites Cause a Stir SpaceX has launched the first 60 of a planned 12,000 Starlink satellites, intended to provide global broadband internet service. Despite assurances to the contrary, a train of bright lights has been seen crossing the night sky, along with some reports of Iridium-like flares. Astronomers and observatories are understandably concerned, with some expressing concern that this could “ruin the night sky.” I’m more concerned about any effect this might have on asteroid discovery and planetary defense; needless to say, I’ll be following this developing story closely. Mars will soon be lost on the glare of the sunset in the west-northwestern sky. Saturn and Jupiter continue to be visible in the southern predawn sky all week; Jupiter rises in the southeast around 10:00 PM. A thin waning crescent Moon appears low in the eastern predawn sky for the next few days; I saw this out my kitchen window while making coffee this morning. Video: Asteroid Discovery I … Continue reading →