Sentences with phrase «km near the pole»

These patches extend over large areas of 500 to 1000 km near the pole and also give rise to strong northern lights displays.

Not exact matches

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.

Auroras on Earth are spectacular to behold, streaking and illuminating the skies with brilliant ethereal colors that are visible near the magnetic poles both to people on the ground, and also to astronauts orbiting 250 miles (400 km) above the planet aboard the International Space Station.

I was merely trying to figure how area such solar panel array would take up and this had nothing to do with costs but checking to see if it took up more area or somewhere close to areas of «peaks of eternal light»: «NASA and Europe revealed a small number of illuminated ridges within 15 km from the pole, each of them much like an island of no more than a few hundred meters across in an ocean of eternal darkness, where a lander could receive near - permanent lighting (~ 70 — 90 % of time in lunar winter, likely 100 % in lunar summer).»

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.