What seemed a lucky break — the discovery of a gamma-ray burst in the most distant known galaxy — might instead be the flash of passing space debris. As satellites fill low-Earth orbit, such events might become common.
An object set to pass near Earth next month may in fact be a relic of the early Space Age.
While the growing number of satellites above our heads is a concern, there are ways to mitigate their appearances in deep-sky astrophotography.
Dozens of satellites are busy day and night, beaming your favorite TV and radio programs from more than 35,000 miles away. Here's how to tune into them.
While binocular observing from Northern California on August 19, 2004, at 6:33 Universal Time, I picked up a trio of satellites moving from the northwest to overhead and passing through Cygnus. I’m sure they were satellites, as all three turned reddish at the same time before disappearing into Earth’s shadow.…