Dr Lisa Kaltenegger, a former Nasa mission reviewer and current professor, has recently released a new book titled “The Worlds That Shook Science”. In this book, she explores the various exoplanets in our galaxy that could potentially host life. This comes at a time that Dr Kaltenegger describes as a “new golden era of exploration” in astronomy, which has seen significant breakthroughs over the past three decades.
According to a report from the Daily Mail, the book details numerous exoplanets that have been classified as potentially habitable or Earth-like. These planets range from water worlds inhabited by octopus-like creatures to dark planets where the sun never rises, as well as hostile environments where molten rock rains from the sky. Dr Kaltenegger suggests that 70 of these planets have the right conditions for life, despite being thousands of light-years away.
Dr Kaltenegger emphasizes the importance of advanced telescopes like the James Webb Space Telescope (JWST) in this exploration. The JWST’s advanced capabilities allow it to capture light from these distant worlds and analyze their atmospheric compositions, which is crucial in determining their potential to support life. Understanding the chemical composition of these planets’ atmospheres can provide valuable insights into the existence of extraterrestrial life.
Despite the immense technical challenges and vast distances involved in searching for alien life, Dr Kaltenegger remains hopeful about the possibility. She hopes to convey
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