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- Rogue's gallery of dusty star systems reveals exoplanet nurseries
- Orb hidden in distant dust is 'infant' Neptune-size planet
- Levitating droplets allow scientists to perform 'touchless' chemical reactions
- X-ray scattering enables closer scrutiny of the interior of planets and stars
- Myxobacteria's ability to distinguish self from non-self
| Rogue's gallery of dusty star systems reveals exoplanet nurseries Posted: 24 Jun 2020 12:15 PM PDT The Gemini Planet Imager on the Gemini South telescope looked at 104 young, nearby stars, 10-100 million years old, in search of debris disks. It found 26, 25 of which had inner holes indicating a planet. These debris rings, similar to the Kuiper Belt in our solar system, display amazing diversity in size and distance from the star. Such studies help astronomers understand the formation of planets and shed light on our system's early history. |
| Orb hidden in distant dust is 'infant' Neptune-size planet Posted: 24 Jun 2020 09:04 AM PDT The discovery could help astronomers understand how planets like Earth form and evolve. |
| Levitating droplets allow scientists to perform 'touchless' chemical reactions Posted: 24 Jun 2020 09:04 AM PDT Levitation has long been a staple of magic tricks and movies. But in the lab, it's no trick. Scientists can levitate droplets of liquid, though mixing them and observing the reactions has been challenging. The pay-off, however, could be big as it would allow researchers to conduct contact-free experiments without containers or handling that might affect the outcome. Now researchers have developed a method to do just that. |
| X-ray scattering enables closer scrutiny of the interior of planets and stars Posted: 24 Jun 2020 07:32 AM PDT An international research team has now presented a new, very precise method of evaluating the behavior of mixtures of different elements under high pressure with the help of X-ray scattering. The results reinforce the premise that the matter in planets like Neptune and Uranus can alter dramatically: the hot hydrocarbon mixture in the interior of the ice giants can produce a kind of diamond rain. |
| Myxobacteria's ability to distinguish self from non-self Posted: 22 Jun 2020 03:21 PM PDT The new research addresses the mechanism of how myxobacteria discriminate and how highly related strains recently diverged, or evolved, into distinct social groups. |
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