New Delhi: Is there life in other worlds? “Hycean worlds are substantially more accessible for atmospheric observations and are therefore more likely to reveal possible signatures of life than rocky planets, if they indeed harbour life,” Madhusudan said. Before going into what Hycean worlds are like, it helps to understand first what it means to search for “signatures of life”. …
Nasa's James Webb Space Telescope has made a groundbreaking discovery on a planet outside the Solar System, revealing the presence of carbon-bearing molecules including methane and carbon dioxide. This finding adds to recent studies suggesting that the planet, K2-18 b, could be a Hycean exoplanet, a type of planet with a hydrogen-rich atmosphere and a water ocean-covered surface. The discovery …
Science news of 2021 was dominated by Covid-19 with good reason and the next year may also likely be the same. The Pfizer and Moderna Covid-19 vaccines were rolled out for emergency use for adults in record time last December, followed by Johnson & Johnson’s single-shot vaccine in February 2021. New findings on Mars NASA’s Perseverance lander Three missions arrived …
