they wanted to travel in the winter
they wanted to travel in the summer
they wanted to give the British team a head start
Correct!
The trek was possible only in the brief Antarctic summer, which begins in October. The Sun never sets and the temperatures became warm enough to survive. Even then, it would be a race against time to make the long round trip before winter sets in.
Biodiversity
Brain
Genetics
Marine BiOLogy
MicrobiOLogy
PaleontOLogy
ZoOLogy
AnthropOLogy
ArchaeOLogy
Astronomy
Climate Change
Earth
Physics
Water