Browsing Tag


Rebirth of a volcano

For the first time, long-term photogrammetic series document the "life cycle" of a volcano. The analyses shows that volcanoes have a kind of memoryCredit: GFZ Volcanoes are born and die - and then grow again on their own

Surprise on Mars

Credit: NASA / JPL An observer standing on Mars would see the planet's moon Phobos cross the sky from west to east every five hours. Its orbit passes between the sun and any given point on Mars about once each Earth year. Each time it does…