NASA’s TESS Space Telescope discovers its first Earth-sized exoplanet in the habitable zone

Exciting news! NASA’s planet-hunter TESS Space Telescope (Transiting Exoplanet Survey Satellite) has discovered its first Earth-sized exoplanet in its star’s habitable zone. The discovery was announced by NASA on January 7, 2020. The planet is named “TOI 700 d”. Using NASA’s Spitzer Space Telescope, astronomers confirmed the discovery and have modeled the planet’s potential environments […]

NASA has published the amazing map of 4,000 exoplanets

Even as late as 1991, we had no hard evidence of planets existing outside our solar system (a centuries-old quest), known as “exoplanets”. Today, over 4000 exoplanets are known to exist. NASA has published an amazing video-map showing them in the Milky Way galaxy on the Astronomy Picture of the Day website.