While observing a newly-dormant galaxy using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Hubble Space Telescope (HST), scientists discovered that it had stopped forming stars not because it had used up all of its gas, but because most of its star-forming fuel had been thrown out of the system as it merged with another galaxy. The ...
Astronomers frequently observe carbon monoxide in planetary nurseries. The compound is ultra-bright and extremely common in protoplanetary disks — regions of dust and gas where planets form around young stars — making it a prime target for scientists. But for the last decade or so, something hasn’t been adding up when it comes to carbon ...
The latest images of Jupiter from the James Webb Space Telescope (JWST) are stunners. Captured on July 27, the infrared images — artificially colored to make specific features stand out — show fine filigree along the edges of the colored bands and around the Great Red Spot and also provide an unprecedented view of the ...
Over the last 25 years, astronomers have found thousands of exoplanets around stars in our galaxy, but more than 99 percent of them orbit smaller stars — from red dwarfs to stars slightly more massive than our sun, which is considered an average-sized star. Few have been discovered around even more massive stars, such as ...
Two new images from NASA’s James Webb Space Telescope show what may be the earliest galaxy ever observed. Both images include objects from more than 13 billion years ago, and one offers a much wider field of view than Webb’s First Deep Field image, which was released amid great fanfare on July 12. The images represent ...
According to the Standard Model of cosmology, the vast majority of galaxies are surrounded by a dark matter halo. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. A new study led by the University of Bonn and the University of Saint Andrews (Scotland) challenges this view ...
On the heels of the release of the first images from NASA’s James Webb Space Telescope, data from the telescope’s commissioning period is now being released on the Space Telescope Science Institute’s Mikulski Archive for Space Telescopes. The data includes images of Jupiter and images and spectra of several asteroids, captured to test the telescope’s instruments before science operations ...
It’s been nearly a century since astronomer Fritz Zwicky first calculated the mass of the Coma Cluster, a dense galaxy cluster of almost 1,000 galaxies located in the nearby universe. But estimating the mass of something so huge and dense, not to mention 320 million light-years away, has its share of problems — then and ...
An animated dive into the dusty Milky Way reveals the outlines of our galaxy taking shape as we look out further and further from Earth. Based on new data from an interactive tool that exploits data from the European Space Agency’s Gaia mission and other space science data sets, astronomers have created an animation to ...
Astronomers at the University of Toronto have spotted some of the most elusive stuff in our universe by taking a deep look at the cosmic web, the network of filaments and knots that trace the large-scale distribution of galaxies. Even though galaxies produce most of the visible light in the universe, they contain fewer than ...
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