saudi_arabia_sand_dunes
Sand Dunes in Saudi Arabia

By Evan

Chris Hadfield, commander on the International Space Station, has been capturing the attention of the followers of social media recently. Besides interactions with former Star Trek cast members, he has been posting some amazing pictures. Here are some of my favourites (mostly earth science related).

Volcanoes captured at dawn
Volcanoes captured at dawn
Noctilucent clouds. They form at high latitudes, at altitudes in excess of 75 km. They are rarely visible from the ground.
Noctilucent clouds. They form at high latitudes, at altitudes in excess of 75 km. They are rarely visible from the ground.
Winnipeg, the capital city of my home province of Manitoba. South is towards the left of this picture. The large linear structure on the bottom of the image is the Floodway, a large diversion channel that spares the city from catastrophic floods.
Winnipeg, the capital city of my home province of Manitoba. South is towards the left of this picture. The large linear structure on the bottom of the image is the Floodway, a large diversion channel that spares the city from catastrophic floods.
Top view of thunderstorms in the south Pacific.
Top view of thunderstorms in the Pacific.
One of the many bush fires raging in Australia. This picture was taken on January 2.
One of the many bush fires raging in Australia. This picture was taken on January 2.
View of the Bahamas. Simply amazing.
View of the Bahamas. Simply amazing.
Mt Vesuvius. Pretty amazing that there are settlements encircling the entire volcano, considering it is still active.
Mt Vesuvius. Pretty amazing that there are settlements encircling the entire volcano, considering it is still active.