
Taken near the entrance of Hawai`i Volcanoes National Park (which is now closed) on May 15, 2018, at 11:28 am.
MORTON GNEISS
Morton, Minnesota
Oldest Rock in the United States — 3.524 billion years old
MORTON GNEISS
Morton, Minnesota
Oldest Rock in the United States — 3.524 billion years old
Kilauea Volcano
10 Questions About the Earth—
and the Geology of North America.
Science — History — Biography
9. Though there are some general celestial alignments at Stonehenge, the structure would have been a very poor way to predict eclipses—and would have given only inaccurate predictions. The problem is that the rough stones and holes (i.e., Aubrey holes) did not provide an accurate way to follow the motions of the Moon and the Sun, which is crucial to eclipse prediction.