Tagged: Earth

Four ways to understand the Earth’s age

The Earth is 4.6 billion years old — but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth’s lifetime to one calendar year, events like the extinction of dinosaurs and Columbus setting sail took place relatively recently. Joshua M. Sneideman reminds us of our time and place in the universe.

Greenland’s mega canyon

Hidden for all of human history, a 460 mile long canyon has been discovered below Greenland’s ice sheet. Using radar data from NASA’s Operation IceBridge and other airborne campaigns, scientists led by a team from the University of Bristol found the canyon runs from near the center of the island northward to the fjord of the Petermann Glacier.

Mesmerizing time-lapse showing the massive California wildfire

There is a massive wildfire raging in California, the largest in the state’s hsitory, that has consumed an area roughly 10 times the size of Manhattan. This beautiful yet disturbing video shows the fire consuming everythign in it’s path including towering sequoias which are some of the biggest and oldest trees in the world.

Amazing Waitomo Glowworm Caves (6 pictures + video)

The massed delicacy of the millions of stalactites in Aranui Cave is probably without equal in the world. The cave was formed on an earthquake fault, which means the rain water that creates the limestone crystals enters more readily. As a result, almost every corner of the roof and walls is adorned with fragile, sparkling forms in pale brown, pink and white. There is very little of the ceiling that has not been decorated by the dripping water.