Did you see 'em? Questions poured in this weekend about a weird line of bright dots moving across the night sky. Yes, they are earthly satellites, launched by SpaceX Thursday evening. The 60 SpaceX Starlink satellites will become part of a giant global network; from low-Earth orbit, they'll help beam internet coverage to the world. This spectacular capture is from Marco Langbroek of the website SatTrackCam Leiden (b)log. Read more.
"Here is the video I shot. Be prepared to be mind-blown!" Marco Langbroek wrote at the SatTrackCam Leiden (b)log, while sharing an amazing capture of dozens of SpaceX Starlink satellites chugging along, in a straight line, across the heavens. See the video.
What happens when young stars brush past each other? A lot, according to a new study, suggesting our solar system contains comets stolen from another star 4.5 billion years ago. Read more and see a video.
Such a dandy web page. The solar system to scale if the moon were 1 pixel wide. Requires about an hour of scrolling to see the whole thing. Claudia at EarthSky said: "I just like it so much!" See it here.
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