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El accidentado aterrizaje de Philae
Aterrizar en un cometa no suena fácil. Y no lo es. Cuando la misión Rosetta de la ESA soltó al módulo Philae rumbo al cometa 67P/Churyumov–Gerasimenko en 2014, no se sabía que estaban intentando algo nunca antes logrado. Lo que no esperaban era que ese aterrizaje se convirtiera en una auténtica odisea… y, aun así, en un éxito científico.Hoy, gracias a estudios detallados del lugar donde Philae…
"An animation of Rosetta OSIRIS Wide-Angle Camera images of comet 67P taken on November 28, 2014, over a period of about 2 hours." Source.
SpaceTime Series 27 Episode 149 *Did Earth's Oceans Come from Comets? New research suggests that Earth's oceans may have originated from comets, reigniting the debate about the origins of Earth's water. Recent observations of Comet 67P reveal a similar molecular signature to Earth's oceans, challenging previous findings and suggesting Jupiter family comets could have contributed to Earth's water supply. This discovery, led by Kathleen Mandit from NASA's Goddard Space Flight Centre, highlights the importance of understanding the origins of water, a crucial element for life on Earth. *Discovery of a Rare Main Belt Comet A mysterious object in the main asteroid belt has been confirmed as a rare main belt comet. Identified as 456P PanSTARRS, this comet displays regular cometary features despite residing in the main asteroid belt. This discovery, led by Henry Heissch from the Planetary Science Institute, adds to the small but growing list of known main belt comets, offering new insights into the icy bodies of the solar system and their potential to trace ices across the cosmos. *BepiColombo's Fifth Mercury Flyby The BepiColombo spacecraft has successfully completed its fifth flyby of Mercury, bringing it closer to entering orbit around the solar system's innermost planet. This mission, a collaboration between ESA and JAXA, aims to uncover the mysteries of Mercury's surface and magnetic field. During the flyby, BepiColombo's instruments collected valuable data, including the first mid-infrared measurements of Mercury's surface, crucial for understanding the planet's composition. 00:00 New observations suggest that Earth oceans may have come from comets after all 09:22 Main belt comets are icy objects found in the main asteroid belt 12:43 The BepiColombo spacecraft has completed its fifth flyby of Mercury 15:10 Eating a healthy diet during pregnancy is linked to lower risk of autism 17:27 Samsung are testing new artificial intelligence upgrades for their Galaxy smartphones 19:36 Space Time is available every Monday, Wednesday and Friday through Apple Podcasts www.spacetimewithstuartgary.com www.bitesz.com 🌏 Get Our Exclusive NordVPN deal here ➼ www.bitesz.com/nordvpn. Enjoy incredible discounts and bonuses! Plus, it’s risk-free with Nord’s 30-day money-back guarantee! ✌ Check out our newest sponsor - Old Glory - Iconic Music and Sports Merch and now with official NASA merch. Well worth a look.... Become a supporter of this Podcast for as little as $3 per month and access commercial-free episodes plus bonuses: https://www.spacetimewithstuartgary.com/about
La coda della cometa
Rivedere le foto prese anni fa da Rosetta, ancor oggi, vuol dire scontrarsi con una fonte irriducibile di meraviglia. E vedere una cometa come è fatta, ma davvero.
Questa è una immagine davvero straordinaria. Ma andiamo con ordine. Partiamo con la domanda, ma da dove vengono le code delle comete? Che è una domanda che ci possiamo legittimamente porre, ci mancherebbe. Forse però la risposta supera le nostre aspettative, perché nel 2016, come alcuni ricorderanno, la sonda Rosetta non solo ha fotografato un jet emergente dalla cometa…
View On WordPress
One can really appreciate the ingenuity and engineering that gives us a two second view into another world (well, technically a comet)
Solar System Tournament Round 1-14
67P/CHURYUMOV-GERASIMENKO vs HALLEY'S COMET
This is the fourteenth match of the 32s round. For this round, each contendor gets one SpaceEngine rendering and one actual image taken by astronomers or spacecraft, due to the fact that SpaceEngine doesn't render comet tails or other interesting features. Our contenders are:
67P/Churyumov-Gerasimenko
67P/Churyumov-Gerasimenko, also known as 67P or 67P/G-C, is a comet with a period of 6.5 years. Its funky and long name is due to the fact it was discovered by two astronomers with long last names. It's suspected to be a contact binary, meaning it started from two smaller asteroids that fused together. It's the only comet anything from Earth has touched, and has been extensively surveyed and analyzed by its two visitors, Rosetta and Philae. Like all comets, its tail is generated by the sublimation of ices as the comet approaches the Sun. Although not visible to the naked eye, this comet has unique features and history unlike any other.
Class: Comet
Visitors: Rosetta (orbit), Philae (landing (!!!))
Wikipedia
Halley's Comet
Halley's Comet, also known as Comet Halley or simply Halley, is perhaps the most popular and easily visible comet, with recorded observations dating back to antiquity. Civilizations from around the world have seen Halley's comet once every 75 years or so. It currently has a period of 74.7 years, but its orbit shifts a lot. The average human typically only sees it once in their life. During its 1986 pass, popularity around the comet caused a massive rush of probes, known as the Halley Armada, to be sent to the comet.
Class: Comet
Visitors: Vega 1 (flyby), Vega 2 (flyby), Giotto (flyby), Suisei (flyby), Sakigake (flyby)
Wikipedia
Which celestial body is better?
67P/Churyumov-Gerasimenko
Halley's Comet
Be sure to reblog to share this with your friends and assemble your allies to ensure victory for your favorite!
Renders courtesy of SpaceEngine. Tag for all solar system tournament posts here.
