Image of the Day: 19/6/14

(Photo Credit: Alexander Gerst)

Here are the dunes in the Sahara desert as seen by ESA astronaut Alexander Gerst, who is currently on board the International Space Station.

For more amazing photos of Earth from space, you can follow Alex on Twitter.

Image of the Day: 11/6/14

(Photo Credit: Reid Wiseman/NASA)

Here is Taiwan, as seen by Reid Wiseman from the International Space Station, during nighttime.

The city lights are so bright that they are even visible through thick patches of clouds.

Reid later posted another spectacular night-time photograph showing Western USA.

LA/San Diego is visible in the lower right, with Las Vegas in the center and Phoenix in the top right.

For more amazing pictures like this, you can follow Reid, and his fellow Expedition 40 crewmates, Alexander Gerst and Maxim Suraev on Twitter.