Activity for Tim Hansen‭

Type	On...	Excerpt	Status	Date
Question	—	Human colonies beyond Pluto (on a potential ninth planet) To be able to colonize another world, there are some requirements; the harvesting of energy, enough recourses, handling of the environment (pressure, temperature and gravity and so on) and availability (close enough to be reached). I just saw a documentary about what a potential planet beyond Pluto ... (more)	—	about 5 years ago
Question	—	Mass extinction because of too low CO2-lewels We have all heard what too much CO2 can lead to, but so far the biosphere have never been exposed to too low levels of CO2. But what if it did? And please, this topic has nothing to do with the ongoing discussion about global warming. We are talking about the last ice age and a hypothetical scenario ... (more)	—	about 5 years ago