Asteroseismologists are combining data from TESS, Kepler, and eventually, JWST to study stellar oscillations in ‘infant’ stars, with the goal of creating new models for how such young stars form and evolve over time. Plus, JWST images Mars, Hubble images stars, and SpaceX manages to launch another Starlink mission in spite of weather delays.
A population study of 43 exoplanets orbiting M-dwarf stars used both the transit method and radial velocity method to find the densities of the worlds and a surprising pattern emerged. The planets are less dense than expected, suggesting they are not purely rock but half-rock and maybe half-water. Plus, star factories in the Milky Way, glaciers on ancient Mars, and This Week in Space History.
As we return from our summer hiatus, we are back with a rundown of some of the stories that came out during the break. On the planetary front, JWST has been taking amazing images and learning about exoplanets. On the astrophysics front, we’ve got stories on dark matter and Betelgeuse. And there were thirty orbital launches, including a whole lot of Starlinks… but not including Artemis.
Starting with the stunning release of JWST’s first image of galaxy cluster SMACS 0723 on July 11, the bonanza continued the morning of July 12 with newly released images of Stephan’s Quintet, the Carina Nebula, the Southern Ring Nebula, and exoplanet WASP-96b. Plus, that controversial name and what’s ahead for the newest space observatory.
Scientists observing the Manatee Nebula find that the supernova remnant contains a stellar-mass black hole that is emitting powerful, high-energy jets, creating the strange, double-lobed shape. Plus, rocket launches, mission updates from Mars and the Moon, and a spinning galaxy from the early universe.
A trio of stories examines the possibilities for finding life in strange, new places, including deep underground here on Earth, in the subsurface oceans of Europa, and fossilized within sedimentary rocks on Mars. Plus, a SpaceX launch, gamma-ray bursts, and this week’s What’s Up.
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