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ScienceDaily: Space & Time News |
| New theory finds upcoming satellite mission will be able to detect more than expected Posted: 12 Jan 2022 09:15 AM PST Researchers have theorized that in addition to the gravitational waves originating from vacuum fluctuations during inflation, a large amount of gravitational waves can be sourced by the quantum vacuum fluctuations of additional fields during inflation. |
| 1,000-light-year wide bubble surrounding Earth is source of all nearby, young stars Posted: 12 Jan 2022 09:15 AM PST The Earth sits in a 1,000-light-year-wide void surrounded by thousands of young stars -- but how did those stars form? For the first time, astronomers have retraced the history of our galactic neighborhood, showing exactly how the young stars nearest to our solar system formed. |
| Rugby ball-shaped exoplanet discovered Posted: 12 Jan 2022 08:01 AM PST With the help of the CHEOPS space telescope, an international team was able to detect the deformation of an exoplanet for the first time. Due to strong tidal forces, the appearance of the planet WASP-103b resembles a rugby ball rather than a sphere. |
| New evidence of a gravitational wave background Posted: 12 Jan 2022 07:56 AM PST The results of a comprehensive search for a background of ultra-low frequency gravitational waves has been announced by an international team of astronomers. |
| Black hole at center of Milky Way unpredictable and chaotic Posted: 12 Jan 2022 06:40 AM PST Researchers have found that the black hole at the center of our galaxy, Sagittarius A*, not only flares irregularly from day to day but also in the long term. |
| New treasure trove of globular clusters holds clues about galaxy evolution Posted: 11 Jan 2022 04:30 PM PST Using observations of Centaurus A, a nearby elliptical galaxy, obtained with the Gaia space telescope and ground-based instruments under the PISCeS survey, a team of astronomers presents an unprecedented number of globular cluster candidates in the outer regions of the galaxy. The findings provide astronomers with an even more detailed picture of galactic architecture and history of collisions and mergers. |
| Twelve for dinner: The Milky Way’s feeding habits shine a light on dark matter Posted: 11 Jan 2022 12:37 PM PST Astronomers are one step closer to revealing the properties of dark matter enveloping our Milky Way galaxy, thanks to a new map of twelve streams of stars orbiting within our galactic halo. |
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