Technology
Hubble Telescope Faces Threat From SpaceX and Other Companies’ Satellites
Scientists found that an increasing number of pictures made by the iconic orbital observatory are being disrupted by passing satellites. Source
Telescopes and Observatories
Technology
Requiem for a Telescope
When the giant Arecibo Observatory in Puerto Rico collapsed in December 2020, it punched a hole in astronomy. For half a century Arecibo was the mightiest telescope on the planet. One thousand feet wide, it […]
Technology
Killer Asteroids Are Hiding in Plain Sight. A New Tool Helps Spot Them.
Researchers have built an algorithm that can scan old astronomical images for unnoticed space rocks, helping to detect objects that could one day imperil Earth. Source
Technology
Has the Milky Way’s Black Hole Come to Light?
What’s going on with our galaxy? Astronomers have long suspected that 26,000 light-years away in the constellation Sagittarius, lurking behind the clouds of dust and gas that shroud the center of the Milky Way, there […]
Technology
How a Tiny Asteroid Strike May Save Earthlings From City-Killing Space Rocks
Movies that imagine an asteroid or comet catastrophically colliding with Earth always feature a key scene: a solitary astronomer spots the errant space chunk hurtling toward us, prompting panic and a growing feeling of existential […]
Technology
Webb Telescope Approaches Launch, With an Eye Toward Cosmic Origins
There are only a few times in the history of a species when it gains the know-how, the audacity and the tools to greatly advance the interrogation of its origins. Humanity is at such a […]
Technology
A New 10-Year Plan for the Cosmos
American astronomers on Thursday called for the nation to invest in a new generation of “extremely large” multibillion-dollar telescopes that would be bigger than any now on Earth or orbiting in space. The investment would […]