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NASA Confirms Discovery of 6,000 Exoplanets Beyond Our Solar System

NASA Confirms Discovery of 6,000 Exoplanets Beyond Our Solar System

NASA’s confirmed exoplanet tally has reached 6,000, showcasing the rapid pace of discovery.

Written by Gadgets 360 Staff | Updated: 21 September 2025 19:00 IST

NASA Confirms Discovery of 6,000 Exoplanets Beyond Our Solar System

Photo Credit: Nasa

NASA’s Tally of Planets Outside Our Solar System Reaches 6,000

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Highlights

NASA confirms milestone of 6,000 exoplanets
James Webb studies over 100 alien atmospheres
Future missions target true Earth-like worlds

A total of 6,000 exoplanets have been verified, NASA said, an already rapid three-decade process since the discovery of the first exoplanet in 1995. NExScI has an official list of discovered exoplanets, which is updated with each new discovery. The prolific rate of the modern planetary science is expressed in more than 8000 other candidate worlds that are still waiting confirmation. This achievement underscores NASA in the quest to discover life outside the earth. The Milky Way is estimated to harbor billions of planets but most of them have gone undetected.

Exotic Worlds

According to NASA, exoplanets have been catalogued at a great variety of thousands. Certain of the hot Jupiters revolve round their stars more nearly than Mercury around the Sun; still others revolve round two stars or around no star. NASA enumerates stranger cases - lava scalded worlds, ultra-puffy worlds and those which have jewel like clouds. Nevertheless, only approximately 100 exoplanets have been directly imaged with the vast majority being identified indirectly (such as by observing that minute shadow as a planet passes before its star). Every candidate needs a follow-up confirmation and hence, the catalog leaped between 5,000 and 6,000 in a three-year period highlighting a discovery boom.

Looking Ahead

NASA is now focusing on finding rocky, Earth-like planets and analyzing their atmospheres for biosignatures (signs of life). The James Webb Space Telescope has already studied over 100 exoplanet atmospheres to date. However, detecting true Earth twins is still challenging – our Sun is about 10 billion times brighter than Earth. To overcome this, future missions will employ new technology: the Nancy Grace Roman Telescope will carry a coronagraph to block starlight and image faint planets. Scientists are also planning the Habitable Worlds Observatory, designed to detect true Earth analogs by building on these advances.

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