Linguistics Of or being a root: a radical form. 6. Botany. a. Of, relating to, or arising from a root: radical hairs. b. Arising from the base of a stem or from a below-ground stem or rhizome: radical leaves.
The crater has been named the Barringer Crater in honor of Daniel Barringer, who was first to suggest that it was produced by meteorite impact. It is also referred to simply as Meteor Crater. The crater is located approximately 69 km east of Flagstaff, near Winslow in the northern Arizona desert of the United States.
Biggest meteor craters on Earth. Vredefort, South Africa. Located at the south-west of Johannesburg, the crater is believed to have been made by an asteroid impact on Earth some two billion years ago. With an estimated radius of 118 miles (190 km), the crater is reportedly the site of the largest energy release in the world.