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Astronomers spot ‘rogue planets’ swimming in the dungeons of the Milky Way

Astronomers have found the largest group of free-floating planets in the Milky Way, known as “rogue planets”, according to data from observatories of the US National Science Foundation, along with a number of other observatories around the world.
Sharjah 24 – ONA:

Astronomers have recently discovered the largest group of free-floating planets in the Milky Way, known as “rogue planets”, according to data from observatories of the US National Science Foundation, along with a number of other observatories around the world.

The researchers monitored a group of free-floating planets of at least 70 “planets that do not orbit a star” in a region close to the Milky Way, known as the Scorpius Upper Star Association.

The researchers documented their discovery in a study published in the journal Nature Astronomy, where the study’s author, Nuria Merit-Roig, of the Astrophysics Laboratory in Bordeaux, along with a team of astronomers, used observations and archival data from a number of large observatories, including the telescopes of the European Observatory. South Africa, and Subaru, to analyze 80,000 photos over 20 years.

Free-floating planets are often discovered by observing the chance of a brief alignment between an exoplanet and a background star.

As for new planets, they have been discovered in a different way. It is usually impossible to photograph these planets, lurking far from any star that illuminates them. However, the researchers took advantage of the fact that these planets are still hot enough to glow during millions of years after their formation, which makes them viable. For detection directly by sensitive cameras on large telescopes.

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