A half-century ago, a radio telescope in Holmdel, N.J., sent two astronomers 13.8 billion years back in time — and opened a cosmic window that scientists have been peering through ever since.
Tag: Telescopes and Observatories
What Is That Question Mark in Space? Here’s What We Know — and Don’t Know
Close scrutiny of a recent image from the Webb Space Telescope revealed some questionable punctuation.
The Biggest Explosion in the Cosmos Just Keeps Going
For three years, telescopes have monitored “one of the most luminous” events ever: a supermassive black hole consuming a gigantic cloud of interstellar gas.
Back Then, Baby Galaxies. Next, a Super-Mega Galactic Cluster?
The Webb telescope has spotted some of the oldest known collections of stars. They may have a very bright future.
A Fresh View of an Increasingly Familiar Black Hole
Radio astronomers have captured a wide-angle image of one of the most violent locales in the cosmos.
Courting the Sirens of the Southern Sky
These days it takes a generation to build a giant telescope. A new one is taking shape in the Atacama Desert in Chile.
From Bullets to ‘Bird Residue,’ the Many Trials of Telescopes
Before an observatory can plumb the secrets of the cosmos, it must navigate more humbling challenges.
That Famous Black Hole Just Got Even Darker
Astronomers recently used artificial intelligence to fine-tune the first-ever image of a black hole, captured in 2019 by the Event Horizon Telescope.
Centuries of Stargazing Leave Jesuit Names Written in the Heavens
The latest list of approved labels for asteroids includes nods to three more scholars of the order, as well as a pope, challenging the idea that science and religion make awkward partners.
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.