deepstash
Beta
Deepstash brings you key ideas from the most inspiring articles like this one:
Read more efficiently
Save what inspires you
Remember anything
Aurora Borealis: What Causes the Northern Lights & Where to See Them
The northern lights and southern lights are a dazzling spectacle for skywatchers lucky enough to see them, but fascinating science is behind what causes these impressive light shows.
0
Key Ideas
SIMILAR ARTICLES & IDEAS:
Watch these six dots move across the map and be moved yourself: this is a story about coming of age, discovery, hardship, death and survival. Each dot is a tag attached to the talon of a Swainson's Hawk. We follow them on their very first migration, from northern California all the way down to Argentina.
Advertisement Four million miles (or if you prefer, 6.44 million kilometers) is quite a distance. It's the equivalent of driving around Earth's widest point, the equator, 160 times in a row. Well that's about as close to the sun as NASA is willing to take its new Parker Solar Probe (PSP).
The theory behind blasting something into space isn’t as complicated as you might think. Putting it into practice, however, is a little bit trickier.