Lately, a new study from NASA reveals that 24 stars have masses similar or bit less to that of Sun and are billions of years old. Researchers have studied using data from XMM-Newton of European Space Agency and Chandra X-Ray Observatory of NASA to observe how these stars those are like Sun behaves over a period of time. The study revealed new results and that’s these sun-like stars and their less gigantic cousins’ calms down rapidly after a tumultuous youth, leaving the atmosphere more prone t the evolution of life.
The study has been performed specifically on 24 such sun-like stars whose masses equal to Sun or less than that and age billions of years or more. These results were found on the online journal published of Monthly Notices of the Royal Astronomical Society, which showed that much older stars loses its activity quickly.
Earth is the only that’s known to have living beings, some Sun-like stars along with their exoplanets are said to be the promising targets looking for E.T. Whatsoever discovering a rocky Earth sized planet that’s orbiting round the sun-like stars doesn’t simply mean there’s an existence of life.
During its youth if a stellar body is too active it could massively damage the atmosphere of an orbiting exoplanet. Thus without atmosphere it’s not possible for a planet to have water and without water we know there can’t be any life.
Sun-like stars spin rapidly in their youth creating an extreme level of magnetic field that drives powerful coronal mass ejections, stellar flares, and a ultra-violet radiation and outpouring X-Ray. Thus for the new study the researchers team examined the X-Ray outputs on 24 sun-like stars that are of one billion years age.
Scientists said that as per discovery the older stars drops off more steep in X-Ray activity compared to the younger ones. This steep drop with high energy activity of the Sun-like stars is a good thing for the exoplanets’ habitability orbiting such stellar bodies, as it is good news for the planet that will no longer have to endure a great radiation that it was bearing earlier.