Flow chart of how the emulator developed by the research team works. Credit: Kavli IPMU, NAOJ By applying a machine-learning technique, a neural network method, to gigantic amounts of simulation…
Category: Space
How James Webb Space Telescope data have already revealed surprises
Massimo Pascale wasn’t planning to study the galaxy cluster SMACS 0723. But as soon as he saw the cluster glittering in the first image from the James Webb Space Telescope,…
Clouds in the Milky Way’s plasma bubbles came from the starry disk — and far beyond
Huge bubbles of plasma billowing out from the Milky Way’s center might contain scraps from all over the galaxy — and beyond. A new look at gas clouds in the…
A fast radio burst’s rapid, steady beat offers a clue to its cosmic origin
An unusual blast of radio waves from deep space had a sense of rhythm. Over the few seconds in December 2019 when the burst was detected, it kept a steady…
The most distant rotating galaxy hails from 13.3 billion years ago
There is a galaxy spinning like a record in the early universe — far earlier than any others have been seen twirling around. Astronomers have spotted signs of rotation…
Here is the James Webb Space Telescope’s stunning first picture
We’ve now seen farther, deeper and more clearly into space than ever before. The first image from the James Webb Space Telescope, released in a White House briefing on July…
Sand clouds are common in atmospheres of brown dwarfs
Clouds of sand can condense, grow and disappear in some extraterrestrial atmospheres. A new look at old data shows that clouds made of hot silicate minerals are common in celestial…
A new look at the ‘mineral kingdom’ may transform how we search for life
If every mineral tells a story, then geologists now have their equivalent of The Arabian Nights. For the first time, scientists have cataloged every different way that every known mineral…
50 years ago, a new theory of Earth’s core began solidifying
How the Earth got its core – Science News, July 1, 1972 In the beginning, scientists believe there was an interstellar gas cloud of all the elements comprising the Earth.…
New Gaia data paint the most detailed picture yet of the Milky Way
1.6 billion stars. 11.4 million galaxies. 158,000 asteroids. One spacecraft. The European Space Agency’s Gaia space observatory, which launched in 2013, has long surpassed its goal of charting more than…