2,500 years ago, one of the most beautiful features of space was born: the South Ring Nebula. The nebula was vividly photographed by the Webb Space Telescope earlier this year, and astronomers now think they know exactly how a star’s violent explosion took place, leaving the elegant nebula in its wake . The star that …
Webb Telescope Reveals Bright Stellar Crime Scene Read More »
An open pit tin mine in the Brazilian Amazon.Photo: mario tama (Getty Images) As the gears engage for the world to transition to clean energy, it is becoming increasingly clear that we are going to need more minerals, such as lithium, cobalt, and nickel, which help power our cars and form the backbone of our …
More than half of the world’s energy transition minerals are found on indigenous lands Read More »
The dish destroys the day it collapses.Photo: RICARDO ARDUENGO/AFP (Getty Images) It happened in less than 10 seconds, two years ago today: the 300 meters of the Arecibo observatory the satellite dish collapsed, eliminating one of the world’s most renowned sources of radio sightings. During its 57 years of operation in northern Puerto Rico, the …
Remembering the parabola of the Arecibo observatory, two years after its collapse Read More »
