VLITE 340 MHz image of GLIMPSE-C01 from February 27, 2021. The clean beam is shown as a white ellipse in the lower left corner and has dimensions of 5 0 × 4 7 with a position angle of 52°. The cross indicates the central position of GLIMPSE-C01. The dashed white circle shows the core radius … Read more
For hundreds of thousands of years, the woolly mammoth thrived on Earth, measuring its stately stride over the frozen lands. Then something happened. The earth has changed. And in a remarkably short time the mammoths (Mammuthus primigenius) had disappeared; the last became extinct 4,000 years ago, on remote Wrangel Island in the cold Arctic. Although … Read more
Millions of years ago, Antarctica looked very different from the icy landscape we know today. A research expedition led by the Alfred Wegener Institute has uncovered a hidden secret. Geologists discovered evidence of an ancient river system by studying sediment samples from the Amundsen Sea. This suggests that Antarctica supported a temperate climate about 34 … Read more