Scientists in Germany have created a new family tree of our Milky Way galaxy, showing how it has grown over billions of years from chaotic mergers with smaller galaxies. Source: https://earthsky.org/space/milky-way-family-tree-progenitor-galaxy-collisions-kraken…
Tag: YouTube.com
Aiming for the moon with NASA’s Artemis I
Artemis I is the first in a series of NASA missions that will enable human exploration on the moon again, and ultimately Mars, scheduled to launch in 2021. Source: https://earthsky.org/space/all-about-nasa-artemis-1-mission…
Watch: 25 years of the sun
This video, merging more than 2 decades of footage from SOHO cameras, captures thousands of sunspots, flares, and coronal mass ejections breaking out from the sun. Source: https://earthsky.org/space/sun-25-years-video-solar-flare-cme-sunspot…
For 3rd data release, Gaia gazed toward galactic anticenter
The 3rd data release from the Gaia mission will provide astronomers with a “treasure trove” of information they didn’t have before. As they analyze Gaia’s data in the years ahead, we’re sure to learn new and surprising things about our home galaxy, the Milky Way. Source: https://earthsky.org/space/gaia-3rd-data-release-edr3-dec-2020…
What are coronal mass ejections?
Coronal mass ejections – CMEs for short – are powerful eruptions near the surface of the sun that can ripple through our solar system and can interrupt satellites and power grids on Earth. Source: https://earthsky.org/space/what-are-coronal-mass-ejections…
Less air pollution during Covid-19 restrictions, says study
NASA researchers have found that since February, pandemic restrictions have reduced global nitrogen dioxide concentrations by nearly 20%. Source: https://earthsky.org/earth/how-much-covid19-related-pollution-levels-deviated-from-norm-2020…
Phew! Record-smashing 2020 Atlantic hurricane season is officially over
November 30 marked the official end of the record-breaking 2020 Atlantic hurricane season, although more storms are still possible. Why did 2020 have so many storms? And what does climate change have to do with it? Source: https://earthsky.org/earth/record-smashing-2020-atlantic-hurricane-season-official-end…
China’s Chang’e 5 mission is orbiting the moon!
China’s robotic Chang’e 5 will be the 1st sample-return from the moon since the 1970s. It launched successfully last week atop a Chinese Long March 5 rocket. Now it’s reported to have entered orbit around the moon. Source: https://earthsky.org/space/china-moon-mission-change-5-sample-return…
Will SpaceX’s Starlink satellites ruin stargazing?
SpaceX’s satellites will populate the night sky, affecting how we observe the stars. And this is just the beginning of private satellite mega-constellations. Source: https://earthsky.org/human-world/will-spacex-starlink-satellites-ruin-stargazing…
Why not an eclipse at every full and new moon?
In 2020, there are 12 new moons and 13 full moons, but only 6 eclipses – 2 solar and 4 lunar. Source: https://earthsky.org/astronomy-essentials/why-isnt-there-an-eclipse-every-full-moon…