Media Category: Arctic challenges

Grease ice

https://upload.wikimedia.org/wikipedia/commons/c/cd/Hope_Bay-2016-Trinity_Peninsula%E2%80%93Grease_ice.jpg

Grease ice

https://upload.wikimedia.org/wikipedia/commons/c/cd/Hope_Bay-2016-Trinity_Peninsula%E2%80%93Grease_ice.jpg

Ice on Baikal lake

Ice on Baikal lake in winter, Russia

Ice on Baikal lake

Ice on Baikal lake in winter, Russia

Solar radiation

Solar radiation during the Arctic winter

Solar radiation illustration

The earth travels around or orbits the sun, it also spins on an axis that is slightly tilted. At certain times of the year, in the Earth’s orbit, the Northern and Southern Hemispheres tilt more towards or away from the sun throughout the day, creating continuous night or day.