jlittlenz
jlittlenz t1_j8k1gfk wrote
Reply to comment by CrustalTrudger in How did they find the exact boundaries of tectonic plates? by Forsaken_Alfalfa_746
Thank you.
jlittlenz t1_j8gliam wrote
Reply to comment by CrustalTrudger in How did they find the exact boundaries of tectonic plates? by Forsaken_Alfalfa_746
At subduction zones, can the effect of the (presumably) lower temperature and so higher density of the subducted plate on seismic waves be used to map the boundary?
jlittlenz t1_j5lrnsh wrote
Reply to comment by Any-Broccoli-3911 in How do we know that the biggest known stars are actually so big and not just regular sized ones at the end of their "life"? by realzanji
You don't count SN 1987A? From wikipedia, Ian Shelton "went outside to look with the naked eye, and saw that the bright light was indeed present".
jlittlenz t1_jae1dqo wrote
Reply to How do ancient cities get buried under more modern ones? by inexister
When a building gets demolished, a new one may be built on the rubble of the old. It saves transporting that rubble. I imagine a common cause of demolition is fire. Villages grow upwards.
In the Middle East there are thousands of small hills, called tells.