Most Unidentified Flying Objects aren’t actually unidentified. Here’s a list of phenomena, either natural or human-made, that people often mistake for UFOs. Source: https://earthsky.org/space/if-its-not-a-ufo-what-is-it…
Tag: debris
New Milky Way family tree reveals a chaotic history
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…
Find the Geminids’ radiant point
Why is the Geminid meteor shower best around 2 a.m.? It’s because that’s when the shower’s radiant point – near the bright star Castor in the constellation Gemini – is highest in the sky. Source: https://earthsky.org/astronomy-essentials/radiant-point-for-geminid-meteor-shower…
A surprising find of fast-moving gas from a young star
Fast-moving gas from a young star – located in a star-forming region 400 light-years away – is giving astronomers insight into how planets form. Source: https://earthsky.org/space/no-lup-surprising-find-outflowing-gas-young-star…
The ESA Starts a New Commercial Sector in Space: Removing Space Debris
Long-time Slashdot reader SonicSpike brings some big news from outer space. European Space Agency announced this week that they’re signing “a €86 million ($102 million USD) contract with an industrial team led by the Swiss start-up ClearSpace SA to purchase a unique service: the first removal of an item of space debris from orbit” in the year 2025. “With this contract…
China launches mission to bring back material from moon
China launched an ambitious mission on Tuesday to bring back rocks and debris from the moon’s surface for the first time in more than 40 years—an undertaking that could boost human understanding of the moon and of the solar system more generally. Source: https://phys.org/news/2020-11-china-mission-material-moon.html…
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…
This asteroid just skimmed Earth’s atmosphere
The asteroid – 2020 VT4 – is estimated to be between 16 and 36 feet (5-11 meters). It skimmed the top of our atmosphere on Friday, November 13, 2020. Astronomers spotted it one day later. Source: https://earthsky.org/space/asteroid-2020-vt4-skimmed-atmosphere-fri-nov-13-2020…
Leonid meteor shower is building to a peak
The peak of the Leonids is likely to be before sunup on November 17, 2020. But people already catching some Leonids. Keep an eye out this weekend. Source: https://earthsky.org/tonight/leonid-meteors-before-dawn-november-17…
Boom! Bam! Boom! How to make a triple crater on Mars
Like many worlds in our solar system, Mars has prominent impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express: an ancient triplet composed of 3 overlapping craters. Source: https://earthsky.org/space/mars-express-ancient-triple-impact-crater…