First detected just days ago, 2023 BU approached within 2,200 miles of our planet’s surface before moving on.
Tag: Telescopes and Observatories
The Webb Telescope Is Just Getting Started
The first scientific results are coming in, and the $10 billion instrument is working even better than astronomers had dared to hope.
A Divided World United to Launch the James Webb Space Telescope
“I’ve always seen space as an area where we cooperate, through all the trying times,” said a professor who oversaw mission control for the global effort to launch a $10 billion telescope into space.
Webb Telescope Approaches Launch, With an Eye Toward Cosmic Origins
The biggest space telescope in history aims to answer astronomy’s oldest question: How did we get from the Big Bang to here?
A New 10-Year Plan for the Cosmos
On astronomers’ wish list for the next decade: two giant telescopes and a space telescope to search for life and habitable worlds beyond Earth.
The Webb Telescope’s Latest Stumbling Block: Its Name
The long-awaited successor to the Hubble Space Telescope is scheduled to launch in December. But the NASA official for whom it is named has been accused of homophobia.
The Most Intimate Portrait Yet of a Black Hole
Two years of analyzing the polarized light from a galaxy’s giant black hole has given scientists a glimpse at how quasars might arise.
At the Edge of Time, a Litter of Galactic Puppies
The discovery of a black hole surrounded by protogalaxies provides astronomers with a rare glimpse of the web of matter permeating the cosmos.
This Star Looked Like It Would Explode. Maybe It Just Sneezed
The mysterious dimming of the red supergiant Betelgeuse is the result of a stellar exhalation, astronomers say.
OneWeb Launches 34 Satellites as Astronomers Fear Radio Chatter
Like SpaceX, the company aims to build a constellation of internet satellites, but its orbiters could interfere with telescopes on Earth.