Sunday, February 23, 2025

Earth


Earth and the Moon as seen from Mars by the Mars Reconnaissance Orbiter

Saturday, February 22, 2025

Venus


In 1610 Galileo Galilei observed with his telescope that Venus showed phases, despite remaining near the Sun in Earth's sky. This proved that it orbits the Sun and not Earth, as predicted by Copernicus's heliocentric model and disproved Ptolemy's geocentric model.

Friday, February 21, 2025

Mercury


Mercury transiting the Sun as viewed by the Mars rover Curiosity (June 3, 2014).

Thursday, February 20, 2025

Sunday, February 16, 2025

Saturday, February 15, 2025

Africa


Regions of the African Union:
 Northern Region ,  Southern Region ,  Eastern Region ,  Western Regions A and B ,  Central Region 

Wednesday, February 5, 2025

Tuesday, February 4, 2025

Monday, February 3, 2025

Canada


Northern walking sticks Canadian Museum of Nature Ottawa