Life has found a home on Earth for around 4 billion years. That's a significant fraction of the universe's 13.77 billion-year history. Presumably, if life arose here, it could have appeared anywhere. And for sufficiently broad definitions of life, it might even...
We Are StarStuff
Binocular Universe: Winter’s first act
Travel southeast from Capella to capture Auriga’s targets. The chart at right zooms in on the Happy Face asterism. Credit: Astronomy: Roen Kelly Even though winter doesn’t officially begin until Dec. 21, one glance at the current evening sky shows that it is on...
Scientists Found Evidence Of A Nearby Kilonova 3.5 Million Years Ago
Most of the times astronomers reported dramatic, cataclysmic events like neutron star mergers or the creation of a black hole; they are taking place light years away, typically in in another galaxy. While we can observe their destructive power through the light...
Tracking human emissions from space
The Copernicus Anthropogenic Carbon Dioxide Monitoring (CO2M) mission will be the first satellite mission to measure how much carbon dioxide is released into the atmosphere through human activity.CO2M isn't just a mission; it's a crucial step in our commitment...
This Week In Space podcast: Episode 90 — The Wizard of Griffith Observatory
On Episode 90 of This Week In Space, Tariq and Rod discuss archaeoastronomy with the amazing Dr. Ed Krupp.Most of us have experienced a planetarium at one time or another, but unless you've been to the Griffith Observatory in Los Angeles, you've missed out....
The Geminids’ time to shine
A Geminid meteor streaks through the sky near bright Jupiter in a gorgeous scene shot above the Eastern Ghats in India during the 2022 Geminid meteor shower. Credit: dr ashok kolluru (Flickr) Friday, December 8Jupiter’s largest moon, Ganymede, is bigger than...
If Our Part of the Universe is Less Dense, Would That Explain the Hubble Tension?
In the 1920s, Edwin Hubble and Georges Lemaitre made a startling discovery that forever changed our perception of the Universe. Upon observing galaxies beyond the Milky Way and measuring their spectra, they determined that the Universe was expanding. By the...
Week in images: 04-08 December 2023
Week in images: 04-08 December 2023 Discover our week through the lens Source link
An asteroid will eclipse the puzzling red star Betelgeuse on Dec. 11. Here’s how to see it
A rare astronomical event will be perfectly positioned in the night sky on Monday (Dec. 11) for some parts of the world.On that evening, an asteroid will pass in front of the curious red star Betelgeuse, eclipsing it from our vantage point here on Earth and...
Are internet satellites a threat to astronomy?
Credit: Mike Lewinski (Flickr) The number of proposed giant constellations of satellites, mostly in low Earth orbit and mostly devoted to providing broadband internet service anyplace on Earth, just keeps growing, with no international regulations yet in place...