https://padlet.com/len_halprin/cc6mc6kcf9r7 Made with ♥ en-us 2017-08-13 04:01:02 UTC 2025-12-21 17:49:40 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rocket.png len_halprin https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180820887 The issue for Science Week is Sustainability - How can science help to protect our Earth?  The Secretary General of the United Nations claims we are in trouble because "there is no Planet B"
As Astroscientists, we are going to challenge that claim.]]> 2017-08-13 04:01:02 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180820887 len_halprin https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180820888 The background image is a 1970s proposal for a large, man-made, slowly-rotating colony located at the L-5 point in space, complete with gardens, trees and rivers, and capable of supporting thousands of inhabitants.]]> 2017-08-13 04:01:02 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180820888 https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874395 Staying on Earth means we are vulnerable to the 'single point of failure', meaning that if an event like an asteroid impact of something else happens to our planet, we are all taken out at once.
We could also ruin the planet ourselves with climate change or even nuclear war, which would also mean we would ruin the planet for all humans.]]> 2017-08-14 04:17:46 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874395 https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874489 Mars is more likely to be habitable because NASA has discovered that there is water on Mars, which means that we could purify the water to be safe for drinking, but first we would have to build civilisation to protect ourselves.]]> 2017-08-14 04:19:32 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874489 https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874522 A day on Mars is 39 min and 35 secs more than a day on Earth

Gravity is 62% less then on Earth]]> 2017-08-14 04:20:15 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874522 https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874900 2017-08-14 04:25:48 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/180874900 https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/181778058 In the future and if NASA receives more funding from the American government, it may become plausible for humans to live elsewhere in the solar system. Technology would have to greatly improve by then and we would have to be able to build ships big enough to carry large amounts of humans, while still being able to launch off the ground, which would be very difficult.

The main considerations if this was to happen would be how we get to the destination, how we produce enough air, food and potable water. We would also have to consider how to construct the places that we would live in and how expensive that would be.]]> 2017-08-20 22:37:37 UTC https://padlet.com/len_halprin/cc6mc6kcf9r7/wish/181778058