Is Pluto a planet?

#Pluto #space #planet #solarsystem #asteroids #IAU Pluto should be defined as a planet, along with over 100 celestial bodies in the solar system, including the moons of Jupiter and Earth, according to scientists who argue that the icy dwarf had been wrongly demoted. Some years back, Pluto was demoted to the 'non-planet' status, which dropped … Continue reading Is Pluto a planet?

Stunning images of the TRAPPIST-1 star system

#TRAPPIST1 #solarsystem #space #Kepler #NASA As you can recall, the discovery of TRAPPIST-1 system was made using Spitzer Space Telescope in combination with ground-based telescopes. Curious about the TRAPPIST system, Kepler spacecraft was made to collect data on the star's minuscule changes in brightness due to transiting planets, so as to refine the previous measurements … Continue reading Stunning images of the TRAPPIST-1 star system

A solar system, similar but much older than ours

L2 Puppis, a solar system about 208 light-years away from Earth. An international team of astronomers is using the ALMA radio telescope to study this solar system. The L2 Puppis is about 10 billion years old, about twice the age of our Sun. Five billion years ago, the star was an almost perfect twin of … Continue reading A solar system, similar but much older than ours