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Even including the sale of Heathrow, this year is the slowest for airport transactions in the past decade, totalling $5.9 billion globally to date, according to Dealogic data. They have hired Mediobanca (MDBI.MI) and Credit Agricole (CAGR.PA) to find a buyer for a sale of their 49% stake in the company, the people said. Heathrow's sale valued the airport at 14.3 times EBITDA, according to JP Morgan analysis published on Wednesday. UK's Esken (ESKN.L), owner of regional Southend Airport, said in June it had started a process for the sale of the airport. On Thursday, Hungary's state-owned Corvinus and Vinci Airports notified the European Commission of a proposed joint takeover of Budapest's airport, according to a document posted on the EU website.

Persons: Andras Kranicz, GIP, Australia's Macquarie, Spain's, Ferrovial, Agata Lyznik, Mediobanca, Gianni, Origoni, Nico Torrisi, Morgan, UK's, France's Vinci, Vinci, Corvinus, Emma, Victoria Farr, Andres Gonzalez, Elisa Anzolin, Joanna Plucinska, Mathieu Rosemain, Anousha Sakoui, Elaine Hardcastle Organizations: LONDON, Heathrow, BNP, Global Infrastructure Partners, AGS Airports, Southampton, Australia's, International, ACI, Airports, Macquarie, Credit Agricole Assurance, 2i, Credit, SAC, Gatwick, Southend Airport, Global Infrastructure Fund, Vinci Airports, European Commission, EU, Thomson Locations: Edinburgh, Italy, FRANKFURT, Spanish, Europe, Aberdeen, Glasgow, Heathrow, France, Hungary's, Budapest's

☆ Scientists explain alien comet 'Oumuamua's strange acceleration
▼ + stars: | 2023-03-23 | by ( Will Dunham | ) www.reuters.com time to read: +4 min

A new study has offered a more sober explanation - that 'Oumuamua's speed-up was due to the release of hydrogen gas as the comet warmed up in the sunlight. "The key finding is that 'Oumuamua may have started as a water-rich icy planetesimal broadly similar to solar system comets. "We don't know its place of origin but it was probably traveling through interstellar space for less than 100 million years. It had a reddish color consistent with the colors of many small bodies in the solar system. A second interstellar object, the comet 2I/Borisov, was discovered visiting our solar system in 2019.

☆ Explainer: What to expect during the green comet's encounter with Earth
▼ + stars: | 2023-01-30 | by ( Joey Roulette | ) www.reuters.com time to read: +3 min

Nicknamed "dirty snowballs" by astronomers, comets are balls of ice, dust and rocks that typically hail from the ring of icy material called the Oort cloud at our solar system's outer edge. One known comet actually originated outside the solar system - 2I/Borisov. Comets are composed of a solid core of rock, ice and dust and are blanketed by a thin and gassy atmosphere of more ice and dust, called a coma. Its greenish, emerald hue reflects the comet's chemical composition - it is the result of a clash between sunlight and carbon-based molecules in the comet's coma. NASA plans to observe the comet with its James Webb Space Telescope (JWST), which could provide clues about the solar system's formation.

☆ Странная межзвездная комета намекает на наличие системы, похожей на нашу
▼ + stars: | 2021-05-22 | by ( Mld Media Srl | ) noi.md time to read: +2 min

Астрономы предположили, что комета может происходить из системы, очень похожей на Солнечную. Когда группа вела свои наблюдения, 2I/Borisov находилась примерно в два раза дальше от Солнца, чем Земля. Результаты группы совпали с итогами многолетнего исследования состава атмосферы комет в Солнечной системе под руководством астронома Льежского университета Жана Манфруа. Эти наблюдения подтверждают догадку о том, что 2I/Borisov, возможно, возникла в звездной системе, очень похожей на нашу. Если ученые обнаружат больше межзвездных комет, похожих на 2I/Borisov, это может намекнуть на существование аналогов Солнечной системы в Млечном Пути.

Persons: Borisov, Геннадий Борисов, Петр Гузи, Михал Драхус, Жан Манфруа, Манфруа, Вера К. Рубин Organizations: Ягеллонский университет, Европейская южная обсерватория, Льежский университет Locations: Nature, Солнечная, Польша, Солнце, Земля, Млечное Путь, Чили

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