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“Plumes of water erupt from Europa and Enceladus, so we can tell that these bodies have subsurface oceans beneath their ice shells, and they have energy that drives the plumes, which are two requirements for life as we know it,” says Lynnae Quick, a NASA planetary scientist who specializes in volcanism and ocean worlds. Many of the more than 4,000 known exoplanets might resemble some of the watery moons around Jupiter and Saturn. “So if we’re thinking about these places as being possibly habitable, maybe bigger versions of them in other planetary systems are habitable too.” “Search for Exoplanets is the Search for Life” ....
In 2016, astronomers using data from NASA’s Kepler mission, discovered a planet unlike anything in our solar system –a “water world” planetary system orbiting the star Kepler-62 –a five-planet system with two worlds in the habitable zone their surfaces completely covered by an endless global ocean with no land or mountains in sight. “Utterly Different Worlds Than Earth” “These are utterly different worlds compared to our own Earth,” said Harvard University astronomer Li Zeng in 2019 about the chances that water worlds are a common feature of the Milky Way, which was heightened by research using computer simulations showing that sub-Neptune-sized planets –planets featuring radii about two to four times that of Earth– are likely to be water worlds. Some of these planets, Zeng observed, have oceans deep enough to exert pressures equivalent to a million times our atmospheric surface pressure. Under those conditions, fluid water gets compressed in ....
The only two people to complete the Ice Sevens challenge will hold a webinar in aid of the Gavin Glynn Foundation on February 26 at 8pm. Internationally acclaimed Ice Sevens simmers Ger Kennedy and Jaimie Monahan will share their years of experience and accomplishments. Entry is £2 at bookwhen.com/h2oimmerse/e/ev-s3hv-20210226200000 Ger Kennedy is the WOSA nominated offering of the year 2020 for Antarctica Swim, while Jamie Monahan was the first person to complete the International Ice Sevens Challenge, 2017. The challenge was based on the concept of the Seven Summits and Oceans Seven, taking participants to the seven continents of the world, completing seven ice miles under standard ice swimming rules in just over a year. ....
The Merthyr Mermaid: Who is Cath Pendleton? The BBC Wales documentary features an ordinary woman from Merthyr Tydfil who s done an extraordinary thing Sign me up now When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Cath Pendleton is an NHS worker from Merthyr Tydfil. She s also known as The Merthyr Mermaid and is the subject of a BBC Wales documentary which airs on Monday, December 14. ....