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APOD: 2019 October 28 – The Space Station Crosses a Spotless Sun
APOD: 2019 October 28 – The Space Station Crosses a Spotless Sun

APOD Science APOD APOD: 2019 October 28 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

APOD: 2019 October 27 – Ghost Aurora over Canada
APOD: 2019 October 27 – Ghost Aurora over Canada

APOD Science APOD APOD: 2019 October 27 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss  …

APOD: 2019 October 26 – Gravity s Grin
APOD: 2019 October 26 – Gravity s Grin

APOD Science APOD APOD: 2019 October 26 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss  …

NASA astronaut Christina Koch performs science operations
NASA astronaut Christina Koch performs science operations

NASA astronaut Christina Koch performs science operations in the Microgravity Science Glovebox for the Ring Sheared Drop human health and…

The Rhône river, Réservoir du Grande-Large and the Groupama Stadium
The Rhône river, Réservoir du Grande-Large and the Groupama Stadium

The Rhône river, Réservoir du Grande-Large and the Groupama Stadium are pictured just east of the French city of Lyon.

The Mattmarksee reservoir
The Mattmarksee reservoir

The Mattmarksee is a reservoir built in the early 1960's between the Rimpfischhorn and Stellihorn mountains in the Swiss Alps.

The Nottaway River empties into the southern tip of James Bay
The Nottaway River empties into the southern tip of James Bay

The Nottaway River empties into the southern tip of James Bay in the Canadian province of Quebec.

Helmand Province in Afghanistan
Helmand Province in Afghanistan

The arid, mountainous region of Helmand Province in Afghanistan is pictured as the International Space Station orbited 253 miles above…

McDonald Lake in Saskatchewan, Canada
McDonald Lake in Saskatchewan, Canada

McDonald Lake in Saskatchewan, Canada, is pictured as the International Space Station orbited 254 miles above North America.

The “Eye of the Sahara” in Mauritania
The “Eye of the Sahara” in Mauritania

Known as the “Eye of the Sahara," the Richat Structure in northwestern Mauritania is a circular geologic feature thought to…