TRAPPIST-1: It is an ultra-cool dwarf star about 40 light years away, located in the constellation Aquarius. It is named after the telescope that discovered this system – TRAPPIST (Transiting Planets and Planetesimals Small Telescop) in Chile. The planets have sizes and masses comparable to the Earth and Venus. It is an ultra-cool star (unlikeContinue reading “TRAPPIST-1:”

Solar storms:

Solar storms: It could refer to the following: Coronal mass ejection: Corona, the outer solar atmosphere, is structured by strong magnetic fields. Where these fields are closed, often above sunspot groups, the confined solar atmosphere can suddenly and violently release bubbles of gas and magnetic fields called coronal mass ejections. Solar flares: These are intense burst ofContinue reading “Solar storms:”