→Subscribe for new videos every day!
Find more lists at:
Entertaining and educational top 10 lists from TopTenzNet!
Subscribe to our Facebook:
Business inquiries to admin@toptenz.net
Other TopTenz Videos:
10 MORE of the Most Heavily Guarded Places on Earth
Top 10 Most Remote Places in the World
Text version:
Coming up:
10. Mars May Still Be Volcanically Active
9. Scarce Food Sources
8. They’d Have To Wear Permanent Space Suits
7. Creating A Human Civilization May Not Be So Easy
6. Landing And Returning
5. Long-Lasting Dust Storms
4. Extremely Rough Terrain And Chilling Weather
3. High Levels Of Radiation And Very Little Gravity
2. The Long Journey To Mars
1. Mental And Physical Health Issues
Source/Further reading:
0 Comments