If they are watching our solar transit. Bob Zimmerman BehindtheBlack.com

Photo: In astronomy, a solar transit is a movement of any object passing between the Sun and the Earth. This mainly includes the planets Mercury and Venus.  Here: On May 9, 2016, Mercury passed directly between the Sun and Earth, making a transit of the Sun. Mercury transits happen about 13 times each century. NASA SDO studies the Sun 24/7 and captured the eight-hour event.
NASA/GSFC/Solar Dynamics Observatory.
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If they are watching our solar transit. Bob Zimmerman BehindtheBlack.com

https://behindtheblack.com/behind-the-black/points-of-information/2000-nearby-stars-found-that-see-the-earth-cross-in-front-of-the-sun/