ScienceDaily: Astronomy News |
- Capturing black hole spin could further understanding of galaxy growth
- NASA's Chandra sees eclipsing planet in X-rays for first time
- Pulsating star sheds light on exoplanet
| Capturing black hole spin could further understanding of galaxy growth Posted: 29 Jul 2013 08:14 PM PDT Astronomers have found a new way of measuring the spin in supermassive black holes, which could lead to better understanding about how they drive the growth of galaxies. |
| NASA's Chandra sees eclipsing planet in X-rays for first time Posted: 29 Jul 2013 01:16 PM PDT For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star. An advantageous alignment of a planet and its parent star in the system HD 189733, which is 63 light-years from Earth, enabled NASA's Chandra X-ray Observatory and the European Space Agency's XMM Newton Observatory to observe a dip in X-ray intensity as the planet transited the star. |
| Pulsating star sheds light on exoplanet Posted: 29 Jul 2013 01:15 PM PDT Astronomers have devised a way to measure the internal properties of stars —- a method that offers more accurate assessments of their orbiting planets. |
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