Tag: Astronomy
A new model of the crystallization of the Moon’s magma ocean
Rocks from the Apollo missions have provided information about the history of the Moon and the formation of its crust and mantle. But more recent mineralogical data, notably from space…
Surprise! A giant black hole makes stars
Black holes are often perceived as cosmic ogres, destroyers of stars. And yet, observations carried out thanks to the high resolution of the Hubble Space Telescope show that sometimes they…
“The Enigma”: the 555-carat alien black diamond is auctioned
A legendary carbonado is going to be auctioned at Sotheby’s and online bids are expected to reach several million euros. There has been good reason to believe for more than…
“The Enigma”: the 555-carat alien black diamond is auctioned
A legendary carbonado is going to be auctioned at Sotheby’s and online bids are expected to reach several million euros. There has been good reason to believe for more than…
What is an aurora borealis, when to observe them and how to photograph them?
Known as the ‘Aurora Borealis’, the Auroras, these bright, colorful bands of light that move and ripple, are a majestic sight in the night sky of the Northern Hemisphere. But…
We walked on the moon: Tintin’s secrets
We walked on the moon marked the series Tintin when it came out in 1950: Hergé took the eccentric side of making his heroes walk on our satellite! It wasn’t…
The magnificent comet Leonard is moving away from us: here are the latest photos
Comet Leonard is passing closer to the Sun today. The warming she has been undergoing for several weeks has clearly visible and spectacular effects, as evidenced by the photos published…
The Flame and Horse Head nebulae surveyed by ESO
A spectacular fireworks display to celebrate the New Year offered by ESO. Don’t worry, the iconic constellation of Orion is neither exploding nor burning. The “fire” you see on this…
The Exploratorium: first sky map and beginnings of astronomy
The prehistoric peoples of northern Europe have long been called “barbarians”, basing their societies on a purely oral tradition. However, we now know that our ancestors had a relatively advanced…
Scientists facing the mystery of the Universe
World Religions – Sunday January 9, 2022 – 10 am-11am Paris time Replay of an interview carried out a year ago with the famous astrophysicist Hubert reeves, 89 years old,…