National Geographic on Instagram: “Photo by @stephenwilkes | Flying in a plane at 20,000 feet (6,000 meters) over Greenland in July, I saw what looked like an abstract…”
![Siete Mares Nadadores Train 20,000 Meters at 2,240 Meters (7,350 feet) – World Open Water Swimming Association Siete Mares Nadadores Train 20,000 Meters at 2,240 Meters (7,350 feet) – World Open Water Swimming Association](https://www.openwaterswimming.com/wp-content/uploads/2022/12/Screenshot-2022-12-15-at-6.51.55-PM.png)
Siete Mares Nadadores Train 20,000 Meters at 2,240 Meters (7,350 feet) – World Open Water Swimming Association
![Handout illustration shows the events that occur in the final minutes of the nearly seven-month journey NASA's Perseverance rover takes to Mars. Hundreds of critical events must execute flawlessly and precisely on Handout illustration shows the events that occur in the final minutes of the nearly seven-month journey NASA's Perseverance rover takes to Mars. Hundreds of critical events must execute flawlessly and precisely on](https://c8.alamy.com/comp/2EF7W4Y/handout-illustration-shows-the-events-that-occur-in-the-final-minutes-of-the-nearly-seven-month-journey-nasas-perseverance-rover-takes-to-mars-hundreds-of-critical-events-must-execute-flawlessly-and-precisely-on-time-for-the-rover-to-land-on-mars-safely-on-february-18-2021-entry-descent-and-landing-or-edl-begins-when-the-spacecraft-reaches-the-top-of-the-martian-atmosphere-traveling-nearly-12500-mph-20000-kph-edl-ends-about-seven-minutes-after-atmospheric-entry-with-perseverance-stationery-on-the-martian-surface-at-about-6900-feet-2100-meters-above-the-surface-the-rover-2EF7W4Y.jpg)