Transit of Mercury across the Sun 11/11/2109 8:23:53 am (PT)
The small dot is Mercury 1/2 way out to the 2 O’clock position from center.
Next Mercury Transit won’t occur until 2032
Orbital period 87.97 days, it is tidally locked to the Sun like our Moon is to Earth. Only one side of Mercury always faces the Sun. It is only safe to look at Mercury when it is away from the Sun and Only after the sun has completely set or before it starts to rise! Always Use appropriate, Commercially made Sun Filters for viewing at any other time.
Average on temperature on Mercury during the day is 800 degrees F and at night drops to -300 F. Mercury stays 35,980,000 miles from the Sun (Earth is 93,000,000 miles)