资讯

Webb also revealed that the star did not swell to swallow the planet, but the planet’s orbit actually slowly decayed over time. NASA, ESA, CSA, Ralf Crawford (STScI) As planetary demises go ...
But an asteroid passing closing to the planet is still a great opportunity for research, and astronomers have been taking readings from YR4 and have now created a 3D model of it. Astronomers used ...