The planet TOI-1807bjust outside our galaxy, has a rather special feature: a year only lasts 13 hours A young planet (only 300 million years old), destined to be discussed, already the subject of scholars and researchers.
Discovered almost by accident in 2020 by NASA, it quickly became the center of attention of physicists and astronomers for various reasons. First of all, age: if we assume the planetary age is about a billion on average, it chooses younger planet
Among the features ofexoplanet TOI-1807b, there is the rocky density very similar to that of the Earth. Such planets, according to experts, are extremely rare and difficult to identify. Modern astronomical instruments enable investigations and measurements that seemed unimaginable until a few decades ago.
Planet TOI-1807b is a unique discovery, not least because researchers have found some truly surprising aspects. For example, it does not have an extensive atmosphere and its core is made up of 25% iron, which can be explained by being close to the parent star. This proximity has done nothing but the photo evaporation of the atmosphere consumed in about 100 million years until it disappears.
Until a few years ago, we could not have imagined that planets could exist so close to their parent star. Today, thanks to the advancement of technology, we are not only able to identify them, but also to know with extreme precision their age, all their physical characteristics, whether or not they have an atmosphere and how they have evolved over time. time has evolved.
Domenico Nardiello, National Institute of Astrophysics (INAF) of Padua
Source: Lega Nerd
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