In search of rogue exoplanets

[jorgebgt]

In search of rogue exoplanets

Image created by me with AI

At NASA, interstellar exoplanets are called Rogue planets, those worlds that wander through space without orbiting a star. How many can there be in the observable universe? According to new research by scientists from NASA and Osaka University in Japan. , it is suggested that rogue planets far outnumber planets orbiting stars.

There could be 20 times more rogue planets than stars, that means our galaxy alone would have trillions of rogue planets rubbing freely through space, scientists came to this claim from a 9-year survey called MOA (Microlensing Observations in Astrophysics), conducted at the Mount John University Observatory in New Zealand.

They did it thanks to microlensing effects, which is a happy effect predicted by the works of Albert Einstein, these effects occur when an object such as a star or planet visually aligns with a massive object that warps the fabric of space-time, creating a lensing effect and amplifying the light or any radiation being emitted by that distant star or planet.

But how can a Rebel planet detect it if it does not emit light, nor does it reflect it because it does not orbit a star, the point is that it does emit something, we have a clue, since it emits some heat, any planet, no matter how cold it is, will always be somewhat hotter than the empty space around it, so rogue planets or rogue planets emit thermal radiation.

This does not mean that it is easy to detect them, it is very, very complicated, our technological capacity is at the limits, however, in a few years we will have it a little easier, the research that is making news now also indicates that the Nancy Grace space telescope Roman, which will be launched in 2025, will have the capacity to capture at least 400 rogue planets of a mass similar to that of the earth.

Is there a rebel planet near the solar system?

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[chesatochi]

I just learn something new, I didn't know rogue planets move freely without a star in space.

[jorgebgt]

I recently found out, and the most curious thing is that there may be many more than we think.

greetings

[chesatochi]

I presume life is impossible on a rogue planet?

[jorgebgt]

You might think that life is unlikely on a rogue planet, but the researchers suggest that if certain conditions are met, such as tidal forces, contain water, and others, it could support life.
The world of possibilities.