Rare Earth; how rare? (Introduction)
by David Turell 
, Sunday, December 11, 2011, 00:49 (4520 days ago) @ xeno6696
http://www.bbc.co.uk/news/science-environment-16068809
Another discussion of how special Earth is.
Until we've explored a few solar systems... we have NO idea on how special our planet is...
Resident skeptic, how do you propose that? How will we get to solar systems with proper planets in the goldylocks zone? When the solar systems we are finding are many light-years away. Send probes at light speed?
Complete thread:
- Rare Earth; how rare? -
David Turell,
2011-12-10, 21:35
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- Rare Earth; how rare? -
xeno6696,
2011-12-10, 22:04
- Rare Earth; how rare? -
David Turell,
2011-12-11, 00:49
- Rare Earth; how rare? -
xeno6696,
2011-12-11, 18:32
- Rare Earth; how rare? -
David Turell,
2011-12-12, 00:04
- Rare Earth; how rare? -
xeno6696,
2011-12-12, 00:53
- Rare Earth; how rare? -
David Turell,
2011-12-12, 02:21
- Rare Earth; how rare? -
David Turell,
2012-01-12, 15:04
- Rare Earth; our amazing mineral supply -
David Turell,
2015-08-27, 14:32
- Rare Earth; compared to others -
David Turell,
2015-09-17, 14:08
- Rare Earth; compared to others -
David Turell,
2016-02-19, 18:53
- Rare Earth; compared to others -
David Turell,
2016-02-26, 01:15
- Rare Earth; compared to others -
dhw,
2016-02-26, 13:16
- Rare Earth; compared to others - David Turell, 2016-02-26, 15:05
- Rare Earth; compared to others -
dhw,
2016-02-27, 12:36
- Rare Earth; compared to others -
David Turell,
2016-02-27, 14:52
- Rare Earth; compared to others -
dhw,
2016-02-28, 13:33
- Rare Earth; compared to others -
David Turell,
2016-02-28, 15:32
- Rare Earth: our protective magnetic field -
David Turell,
2016-04-17, 23:38
- Rare Earth: our protective magnetic field -
David Turell,
2016-05-20, 23:11
- Rare Earth: our protective magnetic field -
David Turell,
2016-06-02, 02:43
- Rare Earth: alien planets and life -
David Turell,
2016-07-20, 22:09
- Rare Earth: once again, how rare? -
David Turell,
2016-09-02, 01:00
- Rare Earth: once again, how rare? -
David Turell,
2016-09-19, 18:17
- Rare Earth: early Earth warm not frozen -
David Turell,
2016-10-09, 01:27
- Rare Earth: our core differes from others -
David Turell,
2017-02-21, 15:58
- Rare Earth:possible evolution of plate tectonics -
David Turell,
2017-02-28, 16:30
- Rare Earth:possible evolution of plate tectonics -
dhw,
2017-03-01, 13:27
- Rare Earth:possible evolution of plate tectonics -
David Turell,
2017-03-01, 18:33
- Rare Earth: our iron isotope ratios differ from others - David Turell, 2017-03-03, 15:02
- Rare Earth:possible evolution of plate tectonics -
David Turell,
2017-03-01, 18:33
- Rare Earth:possible evolution of plate tectonics -
dhw,
2017-03-01, 13:27
- Rare Earth:possible evolution of plate tectonics -
David Turell,
2017-02-28, 16:30
- Rare Earth: early Earth warm not frozen - David Turell, 2018-08-22, 01:06
- Rare Earth: our core differes from others -
David Turell,
2017-02-21, 15:58
- Rare Earth: early Earth warm not frozen -
David Turell,
2016-10-09, 01:27
- Rare Earth: once again, how rare? -
David Turell,
2016-09-19, 18:17
- Rare Earth: once again, how rare? -
David Turell,
2016-09-02, 01:00
- Rare Earth: our protective magnetic field -
David Turell,
2017-05-01, 14:32
- Rare Earth: Scientific Am. discovers plate tectonics -
David Turell,
2017-07-21, 01:34
- Rare Earth: Inner core puzzle - David Turell, 2018-02-10, 00:59
- Rare Earth: Scientific Am. discovers plate tectonics -
David Turell,
2017-07-21, 01:34
- Rare Earth: alien planets and life -
David Turell,
2016-07-20, 22:09
- Rare Earth: our protective magnetic field -
David Turell,
2016-06-02, 02:43
- Rare Earth: our protective magnetic field -
David Turell,
2016-05-20, 23:11
- Rare Earth: our protective magnetic field -
David Turell,
2016-04-17, 23:38
- Rare Earth; compared to others -
David Turell,
2016-02-28, 15:32
- Rare Earth; compared to others -
dhw,
2016-02-28, 13:33
- Rare Earth; compared to others -
David Turell,
2016-02-27, 14:52
- Rare Earth; compared to others -
dhw,
2016-02-26, 13:16
- Rare Earth; compared to others -
David Turell,
2016-02-26, 01:15
- Rare Earth; compared to others -
David Turell,
2016-02-19, 18:53
- Rare Earth; compared to others -
David Turell,
2015-09-17, 14:08
- Rare Earth; our amazing mineral supply -
David Turell,
2015-08-27, 14:32
- Rare Earth; how rare? -
David Turell,
2012-01-12, 15:04
- Rare Earth; how rare? -
David Turell,
2011-12-12, 02:21
- Rare Earth; how rare? -
xeno6696,
2011-12-12, 00:53
- Rare Earth; how rare? -
David Turell,
2011-12-12, 00:04
- Rare Earth; how rare? -
xeno6696,
2011-12-11, 18:32
- Rare Earth; how rare? -
David Turell,
2011-12-11, 00:49
- Rare Earth; how rare? -
xeno6696,
2011-12-10, 22:04