Petrolhead's latest activity

This picture is a good reminder that pigs aren't there to serve and protect you or prevent crime. Their sole purpose is to serve the...

Gaza Ramadan :peace: :leaf:

The red color of the Moon is caused by the deflection of blue light by Earth's atmosphere. The distortion is an optical effect arising...

Tiny people on a tiny planet can only live due to a still smaller water sphere (if water could be gathered as a sphere as imagined here).

See what @Vitolo and I are getting at? Look how tiny the Earth is in this image from the Moon from the Blue Ghost lander and its shadow.

1st Sunset Back Home in Washington State

And our Sun compared to some others...we are not even a pixel in the grand scale of the universe. The biggest star in the universe is UY...

Mammatus clouds over Regina, Saskatchewan, Canada. Carnegie Las Campanas Observatory, Atacama desert, Chile. Red glow on the right is...

Perseid meteor shower and the Milky Way from Hvar Island off the coast of Croatia. Andromeda galaxy rising above the Italian Alps...

Moonrise Through Mauna Kea's Shadow...the Sun has just set in the opposite direction, behind the camera. Soyuz capsule returning to...