| New telescope to 'see inside' hot Jupiter exoplanets | | | Exoplanets - worlds orbiting distant suns - are very, very far away. Astronomers are learning what some of their surfaces might look like, and what's in their atmospheres. Soon - for the first time - a new telescope will be able to "see inside" some exoplanets. This new telescope - the NenuFAR telescope, now being built in France - will study some of these exotic worlds' magnetic fields. An active magnetic field would point to a planet having a magnetic dynamo deep inside it: a churning, liquid metallic core. Read more. | | |
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All you need to know: Orionid meteor shower | | | Have you seen any meteors streaking across the sky this month? If they are coming from the northern sky, they might have been Draconids, whose peak has passed. If they're coming from along the ecliptic, or sun's path across our sky, they might be part of the long-lasting Taurid meteor shower, which is still going on. But some meteors you've seen could also be part of the annual Orionid meteor shower, which is now building to its peak this weekend, albeit in bright moonlight, on the mornings of October 21 or 22. Read more. | | |
