The comparison of reference sample with 𝐾𝑧𝑧 = 106 cm2 s−1 between GJ-176 and GJ-436. The difference between stars is not significant and only visible in the upper atmosphere, where
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date: 21 January 2014 altitude: 290 km — NASA/JPL-Caltech/University of Arizona larger image In the center of this observation, we see a ring of cones that have developed over a
This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. For decades, astronomers have wondered what the very first stars
A team of astronomers using the James Webb Space Telescope has found tiny dust particles traveling far from their home galaxy, surviving a perilous journey through a harsh cosmic environment
Tonight (Sept. 7–8, 2025), the moon will slip into Earth’s shadow for a total lunar eclipse — creating a dramatic ‘blood moon’. It’s completely safe to watch with the naked
White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like our sun. But can there be life around white dwarfs? Image via
HELSINKI — China added a third trio of spacecraft to a group of remote sensing satellites Saturday, marking the country’s 52nd launch of the year. A Long March 6A rocket
Artist’s concept of a white dwarf remnant being given a high-speed shove from its system. Such an event can happen after 2 white dwarfs merge, causing a supernova explosion. A
Look to the eastern horizon just after sunset on Sept. 8 to see the ringed gas giant Saturn shine close to the bright disk of the waning gibbous moon. Saturn
WASHINGTON — The Pentagon on Friday announced a slate of senior leadership shifts within the U.S. Space Force, including new appointments to key command and planning posts. Lt. Gen. David
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