How Do Astronomers Find Planets in Other Solar Systems?

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

'Ice giant' planets Uranus and Neptune might not be full of ice after all

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

How space agencies discover planets in other solar systems

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...
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Could our solar system have 9 planets after all?

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, Pluto was officially reclassified as a dwarf planet by the ...
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TRAPPIST-1d isn't the Earth-like planet scientists had hoped it to be, according to JWST data

"At this point, we can rule out TRAPPIST-1d from a list of potential Earth twins or cousins." There's bad news for our hopes of habitable planets existing around TRAPPIST-1, with the James Webb ...

Giant Planet 18 Times Jupiter’s Mass Discovered in Distant Star System

Using a powerful combination of space-based measurements and Subaru’s advanced imaging, astronomers have discovered two rare companions, one of which enables a key test for NASA’s Roman Space ...