We don't know if we are alone or not in the universe, but we can say at least we are trying to figure it out.
That's why astronomers are making a lot of efforts in order to discover and study new planets similar to Earth, called exoplanets.
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1) First. A rogue planet ( also termed an interstellar, nomad, free-floating, unbound, orphan, wandering, starless, or sunless planet) is a planetary-mass object that does not orbit a star. Such objects have been ejected from the planetary system in which they formed or have never been gravitationally bound to any star or brown dwarf. ] The Milky Way alone may have billions to trillions of rogue planets, a range which the upcoming Nancy Grace Roman Space Telescope will likely be able to narrow down.
2) Second. Astronomers observed 50 million stars in the Milky Way by using the 1.8-metre (5 ft 11 in) MOA-II telescope at New Zealand's Mount John Observatory and the 1.3-metre (4 ft 3 in) University of Warsaw telescope at Chile's Las Campanas Observatory. They found 474 incidents of microlensing,

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Credits: Ron Miller
Credits: Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO
Credits: Flickr
Credits
Credits NASA, ESA, D. Bennett (GSFC), and Wiggle Puppy Production
Credits:Exoplanet Exploration Program and the Jet Propulsion Laboratory for NASA's Astrophysic
Division
Science Writer: Pat Brennan
Site Editor: Kristen Walbolt
Manager: Anya Biferno

Video Chapters:
00:00 Introduction
02:15 Discovery Methods
02:00 Rogue Planet
02:41 MOA-II Telescope
08:46 NASA Nancy Grace Roman Space Telescope
#InsaneCuriosity #FreeFloatingPlanets #universe

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