Why is Venus surrounded by a bright ring?

source https://apod.nasa.gov/apod/ap200608.html

Halo of the Cats Eye

source https://apod.nasa.gov/apod/ap200607.html

Comet PanSTARRs and the Galaxies

source https://apod.nasa.gov/apod/ap200606.html

Dragon over Central Park

source https://apod.nasa.gov/apod/ap200605.html

Sharp telescopic views of

source https://apod.nasa.gov/apod/ap200604.html

Every time Venus passes the Earth, it shows the same face.

source https://apod.nasa.gov/apod/ap200603.html

Humanity is under attack.

source https://apod.nasa.gov/apod/ap200602.html

The center of the Lagoon Nebula is a

source https://apod.nasa.gov/apod/ap200601.html

It was bright and green and stretched across the sky.

source https://apod.nasa.gov/apod/ap200531.html

Green Flashes: Sun, Moon, Venus, Mercury

source https://apod.nasa.gov/apod/ap200530.html