A team of scientists looked for signals indicating the presence of satellite planets with masses 100 times greater
The results of the work indicate the absenceoffsets for specific planetary masses or orbital periods in pulsar systems. However, the study provides information about the shape of the orbits of these planets: unlike the near-circular orbits of our solar system, these planets revolve around their stars in highly elliptical trajectories. This indicates that the process of formation of "pulsar-planet" systems is very different from traditional "star-planet" systems.
Pulsars are incredibly interesting and exoticobjects. Exactly 30 years ago, the first extrasolar planets were discovered around a pulsar, but we have yet to understand how these planets can form and survive in such extreme conditions. And also find out how common they are and what they look like.
Juliana Nitsu, PhD, student at the University of Manchester
Processes that make the planetsform and survive around pulsars are currently unknown. The study, which studied 800 pulsars, was conducted by the Jodrell Bank Observatory. It showed that less than 0.5% of all known pulsars could contain Earth-mass planets.
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