BBC6 年
Nasa's IceSat space laser makes height maps of Earth
But the Nasa spacecraft's laser instrument is also ... The AGU meeting was shown some of the first efforts to build a sea-ice thickness map for the Arctic. Early days, but IceSat is gathering ...
Forbes10 个月
April’s Total Solar Eclipse Is 360 Years Early. NASA’s Bizarre New Map Shows Why
How often do solar eclipses occur? NASA’s new “heat map” showing the geographical distribution of total solar eclipses has revealed that any specific location on Earth experiences a total ...