When Apophis buzzes the Earth on April 13, 2029, it will come within 19,400 miles (31,300 km) of our planet.
Relay: Teams of four compete in a four-part race, 4x7.5km (30km total) for men and 4x6km (24km total) for women.
Team Soldier On (Commonwealth) extended its hold on second place after they also dug deep and covered 24 km.
The walkers will now be driven to the second checkpoint, 112 km from the South Pole.
The other three wolves had already dispersed westward and were near Prickett Dam, some 40 miles (64.0 km) away.
Great was my disappointment on finding myself only about 1½ km.
Priscilla Starrett collected tadpoles of H. sumichrasti from a stream 19 km.
At Trieste, from 470 days when the wind velocity did not exceed 20 km.
There are three lines, one having terminal earth plates 14.8 km.
Estimates on this basis have suggested heights of the order of 50 km.
Abbreviation of kilometer