Because the Earths crust is extremely hard to drill into, also interior earth exploration does not yield anywhere near the advantages as that of space exploration.
Hugh Clapperton has written: 'Hugh Clapperton into the interior of Africa' -- subject(s): Biography, Description and travel, Discovery and exploration, Explorers, Travel 'Difficult & dangerous roads' -- subject(s): Discovery and exploration, Travel 'Journal of a second expedition into the interior of Africa, from the Bight of Benin to Soccatoo' -- subject(s): Accessible book, Description and travel, Travel, Diaries, Discovery and exploration
Henry Kelsey primarily used canoes and walked on foot during his exploration expeditions. He employed indigenous guides and traders, utilizing their knowledge of the land to navigate through the wilderness. Kelsey's method of travel was essential in his exploration of the Canadian interior for the Hudson's Bay Company.
space travel was invented 1777 and the first space exploration was at 1957
Tade and Travel
yes.
yes.
he friken want to travel
There are so many problems that are associated with space exploration. Some of the problems include the high costs, the risk level is also very high and there are chances of getting negative results.
Alchemy ship travel exploration of new ownership
Jules Verne
It brought Trade and Travel into the world.
this all has to do with what you like, but in my opinion it is probably space travel an exploration :]