ScienceDaily: Strange Science News |
- How black hole jets break out of their galaxies
- Unexpected Excess of Giant Planets in Star Cluster Messier 67
- Rush hour on Palmyra Atoll
- Using espresso machines to do chemistry
| How black hole jets break out of their galaxies Posted: 17 Jun 2016 05:39 AM PDT A simulation of the powerful jets generated by supermassive black holes at the centres of the largest galaxies explains why some burst forth as bright beacons visible across the universe, while others fall apart and never pierce the halo of the galaxy. About 10 per cent of all galaxies with active nuclei – all presumed to have supermassive black holes within the central bulge – are observed to have jets of gas spurting in opposite directions from the core. The hot ionized gas is propelled by the twisting magnetic fields of the rotating black hole, which can be as large as several billion suns. |
| Unexpected Excess of Giant Planets in Star Cluster Messier 67 Posted: 17 Jun 2016 05:25 AM PDT Astronomers have found that there are far more planets of the hot Jupiter type than expected in a cluster of stars called Messier 67. This surprising result was obtained using a number of telescopes and instruments. The denser environment in a cluster will cause more frequent interactions between planets and nearby stars, which may explain the excess of hot Jupiters. |
| Posted: 15 Jun 2016 10:43 AM PDT Halfway between Hawaii and American Samoa lies a group of small islands and inlets. Among them is Palmyra Atoll, an almost 5-square-mile ring of coral. |
| Using espresso machines to do chemistry Posted: 15 Jun 2016 08:16 AM PDT Many chemists are familiar with taking trips to the espresso machine while running late-night experiments, but until now these excursions were merely undertaken for the caffeine boost. A group recently reported, however, that espresso machines can quickly and inexpensively perform some complex chemistry experiments, such as testing for harmful compounds in the environment. |
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