If you see a constant white light cross the sky, it could well be a satellite ... it's bright in the east immediately after dark — easily in the eye line of anyone outside as it gets dark.

According to the study, visual observations made before BlueWalker 3 launched indeed indicated the satellite would be "particularly bright ... sky is overwhelmed with an abundance of artificial light.

Outside of the relatively barren open ocean and polar wastelands, the fraction of the populated planet with naturally dark skies ... evidence of artificial light are going to get much harder ...

We play games outside ... be right over our heads every night.” The International Dark-Sky Association defines l ight pollution as “the inappropriate or excessive use of artificial light.” ...

WASHINGTON – A prototype satellite ... bright for many sky observers around the world,” Meredith Rawls, co-author of a paper on the finding and member of the IAU Center for the Protection of ...

“If you can still see the dimmest stars, you are in a very dark ... of artificial lighting, which used satellite images of the Earth at night, had estimated the annual increase in sky brightness ...