The striped pattern on the parachute used by the Perseverance rover to land on Mars contained a hidden message. Internet sleuths were able to figure it out within a few hours. Source: https://earthsky.org/space/perseverance-secret-message-dare-mighty-things…
Tag: Wikimedia
What’s the coldest Earth has ever been?
Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…
Astrophysicists design ‘radically different’ world map
You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round. Source: https://earthsky.org/earth/astrophysicists-new-design-world-map…
Galaxies have magnetic fields, too! Images here
Until recently, magnetic fields in the outskirts of galaxies were too faint to be detected. Although it’s still not clear what causes them or how they’re maintained, astronomers have started to create images of their observations of galaxies’ magnetic fields producing beautiful aurora-like effects. See them here. Source: https://earthsky.org/space/images-of-magnetic-fields-in-galaxies…
What is the Milky Way?
When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…
Happy birthday to Galileo, born February 15
One of our greatest astronomers, Galileo Galilei, was born February 15, 1564. His discoveries with the improved telescopes he made changed the way we view the universe – and got him in trouble with the church. Source: https://earthsky.org/human-world/galileos-birthday-feb-15-1564…
Saturday’s strong earthquake in Japan called ‘aftershock’ of deadly 2011 quake
No fatalities have been reported in the February 13, 2021 strong earthquake in Japan, which occurred off Japan’s east coast, near the epicenter of the 2011 9.0-magnitude Tohoku earthquake. Source: https://earthsky.org/earth/feb-13-2021-7-magnitude-quake-japan-aftershock-2011…
UAE’s Hope mission to Mars arrives today: How to watch
The Emirates Mars Mission “Hope” is a United Arab Emirates Space Agency uncrewed mission to Mars. It’s slated to enter Mars orbit on February 9, 2021. It’ll be followed on February 10 by China’s Tianwen-1 mission and, on February 18, by NASA’s Perseverance mission. Source: https://earthsky.org/space/missions-to-mars-uae-hope-china-tianwen-1…
Anniversary of mysterious parade of meteors
On February 9, 1913, lucky observers witnessed the Great Meteor Procession, when bright meteors soared horizontally across the sky in a stately marching rank for minutes at a time. Source: https://earthsky.org/space/this-date-in-science-great-meteor-procession-of-february-9-1913…
See Sirius, the brightest star in the night sky
Find out how to spot Sirius, the brightest star as seen from Earth. Learn the mythology behind this dazzling light and how it earned the nickname of the Dog Star. Source: https://earthsky.org/brightest-stars/sirius-the-brightest-star…