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- CHEOPS finds unique planetary system
- NASA's Roman mission will probe galaxy's core for hot Jupiters, brown dwarfs
- Puzzling six-exoplanet system with rhythmic movement challenges theories of how planets form
- Optimal information about the invisible
- New galaxy sheds light on how stars form
- When galaxies collide
- New skull of tube-crested dinosaur reveals evolution of bizarre crest
- The seven rocky planets of TRAPPIST-1 seem to have very similar compositions
| CHEOPS finds unique planetary system Posted: 25 Jan 2021 11:45 AM PST The CHEOPS space telescope detects six planets orbiting the star TOI-178. Five of the planets are in a harmonic rhythm despite very different compositions - a novelty. |
| NASA's Roman mission will probe galaxy's core for hot Jupiters, brown dwarfs Posted: 25 Jan 2021 11:45 AM PST NASA's Roman Space Telescope will conduct a microlensing survey to reveal worlds that are similar to the planets in our solar system. Now, a new study shows that the same survey will also unveil more extreme planets and planet-like bodies in the heart of the galaxy, thanks to their gravitational tug on the stars they orbit. |
| Puzzling six-exoplanet system with rhythmic movement challenges theories of how planets form Posted: 25 Jan 2021 08:31 AM PST Using a combination of telescopes, including the Very Large Telescope of the European Southern Observatory (ESO's VLT), astronomers have revealed a system consisting of six exoplanets, five of which are locked in a rare rhythm around their central star. The researchers believe the system could provide important clues about how planets, including those in the Solar System, form and evolve. |
| Optimal information about the invisible Posted: 25 Jan 2021 08:31 AM PST Laser beams can be used to precisely measure an object's position or velocity. Normally, a clear, unobstructed view of this object is required. Irregular environments scatter the light beam - but as it turns out, precisely this effect can be used to obtain optimum information in difficult situations. |
| New galaxy sheds light on how stars form Posted: 25 Jan 2021 08:31 AM PST Detailed observations of molecular gas in a tidal dwarf galaxy have important implications for our understanding of how stars are formed. |
| Posted: 25 Jan 2021 08:31 AM PST It was previously thought that collisions between galaxies would necessarily add to the activity of the massive black holes at their centers. However, researchers have performed the most accurate simulations of a range of collision scenarios and have found that some collisions can reduce the activity of their central black holes. The reason is that certain head-on collisions may in fact clear the galactic nuclei of the matter which would otherwise fuel the black holes contained within. |
| New skull of tube-crested dinosaur reveals evolution of bizarre crest Posted: 25 Jan 2021 06:43 AM PST The first new skull discovered in nearly a century from a rare species of the iconic, tube-crested dinosaur Parasaurolophus was announced today. The exquisite preservation of the skull, especially the bizarre tube-shaped nasal passage, finally revealed the structure of the crest after decades of disagreement. |
| The seven rocky planets of TRAPPIST-1 seem to have very similar compositions Posted: 22 Jan 2021 08:23 AM PST Astrophysicists have measured the densities of the seven planets of the exoplanetary system TRAPPIST-1 with extreme precision, the values obtained indicating very similar compositions for all the planets. This fact makes the system even more remarkable and helps to better understand the nature of these fascinating worlds. |
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