Science

Big fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so, ad infinitum. From "Siphonaptera," Augustus de Morgan When you look at a big galaxy like the Milky Way, you see it has a lot of components. There's a central bulge of old stars, a [...]
Tue, Oct 15, 2019
Source: Bad Astronomy
A new study suggests that pulsars are not the source of an unexpected surplus of antimatter particles detected by a space-based experiment. Dark matter remains a viable alternative explanation. The post Should We Blame Pulsars for Too Much Antimatter? appeared first on Sky & Telescope. [...]
Sun, Oct 13, 2019
Source: Sky and Telescope Astronomy News
NASA's Ionospheric Connection Explorer (ICON) launched successfully today to explore the boundary between Earth and space. The post NASA Launches ICON to Explore Earth's Ionosphere appeared first on Sky & Telescope. [...]
Fri, Oct 11, 2019
Source: Sky and Telescope Astronomy News
Peering into the unknown requires us to recognize our own mental blind spots -- Read more on ScientificAmerican.com [...]
Fri, Oct 11, 2019
Source: Scientific American Space
The OSIRIS-REx spacecraft has been orbiting the wee asteroid Bennu for nearly a year now. It's been mapping the asteroid's surface, taking a measure of its gravity to get its mass, proven it's a rubble pile, has seen it bizarrely spitting rocks into space, and has been scoping out a [...]
Fri, Oct 11, 2019
Source: Bad Astronomy
The Labeled Release experiment on the Viking mission reported positive results, although most have dismissed them as inorganic chemical reactions -- Read more on ScientificAmerican.com [...]
Thu, Oct 10, 2019
Source: Scientific American Space
About three and a half million years ago, the center of our galaxy exploded. This is no exaggeration, no attempt to overstate for effect. There's no need. The event was colossal. The explosive power coming from the core of the Milky Way easily, vastly outshone all the stars in the galaxy [...]
Thu, Oct 10, 2019
Source: Bad Astronomy
Confused by all those theories? Good -- Read more on ScientificAmerican.com [...]
Thu, Oct 10, 2019
Source: Scientific American Space
Analysis by an independent team has ferreted out seven candidates for gravitational-wave events from merging black holes. The post More Black Hole Mergers Found in LIGO Data appeared first on Sky & Telescope. [...]
Thu, Oct 10, 2019
Source: Sky and Telescope Astronomy News
Barbara Wilson passed away on September 24, 2019, after battling cancer for several months. Barbara was very well known in the amateur astronomy community as a dedicated and talented deep-sky observer. But she was much more than that. The post Barbara Wilson — A Remembrance appeared first on Sky & Telescope. [...]
Wed, Oct 09, 2019
Source: Sky and Telescope Astronomy News
Astronomers have found 20 new moons circling Saturn — now you can help name them! The post Help Name Saturn's 20 Newfound Moons appeared first on Sky & Telescope. [...]
Wed, Oct 09, 2019
Source: Sky and Telescope Astronomy News
Astronomers using a vast survey of the sky around the Andromeda Galaxy have found evidence that it has had two huge meals in the distant past, two separate events where smaller galaxies were physically consumed by the far larger one. Both events were long ago, and one was much earlier [...]
Wed, Oct 09, 2019
Source: Bad Astronomy
Until recently, we knew Saturn had a lot of moons. However, now we know it has a whole lot more. Astronomers just announced that they've found 20 new moons orbiting the ringed planet. Twenty! That's quite a load. It makes Saturn the record-holder for number of moons with 82; a dozen [...]
Tue, Oct 08, 2019
Source: Bad Astronomy
NASA engineers hope to use the scoop at the end of the lander's robotic arm to get the Insight lander's heat probe burrowing once again. The post Work to Save NASA's “Mole” on Mars Continues appeared first on Sky & Telescope. [...]
Mon, Oct 07, 2019
Source: Sky and Telescope Astronomy News

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