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Cheops dell'ESA trova un anello inaspettato attorno al pianeta nano Quaoar

Cheops dell'ESA trova un anello inaspettato attorno al pianeta nano Quaoar

IMMAGINE: Artist impression of Quaoar and its ring An artist’s impression of the dwarf planet Quaoar and its ring. Quaoar’s moon Weywot is shown on the left. Quaoar’s ring was discovered through a series of observations that took place between 2018 to 2021. Using a collection of ground-based telescopes, and ESA’s space-based telescope Cheops, astronomers watched as Quaoar crossed in front of a succession of distant stars, briefly blocking out their light as it passed. Read more [Image description: An artist illustration of the Quaoar system in front of a background of white stars. Central in the figure sits a brownish planet. This is Quaoar, a dwarf planet in the outer Solar System. At a distance of about five times its radius sits a ring. This ring is made up out of small grey pieces of debris. At twice the distance of the ring, to the left of Quaoar, sits its moon Weywot. Weywot looks about a sixth the size of Quaoar but has the same brownish colour. To the right of this system, we see a bright star. This star is bigger than the background stars and represents the distant Sun.] Acknowledgement: Work performed by ATG under contract for ESA © ESA, CC BY-SA 3.0 IGO

LadySilvia® Network Space 09 Feb 2023
5.9K 0
European emergency number 112 now works in all EU Member States

European emergency number 112 now works in all EU Member States

People can now reach emergency services from anywhere in the EU, simply by dialling 112, the single European emergency number. Now that 112 can be called from any phone in Bulgaria, it has achieved complete availability just before the Christmas period when thousands of people travel between EU Member States to visit family, hit the slopes or look for winter sun. It also crowns the combined efforts of the European Commission and EU Member States to make 112 fully available everywhere so that Europeans will always have a lifeline in the EU.

Redazione Egovernment 01 Sep 2009
195.2K 0
STAROFFICE gratis per tutti gli studenti e gli insegnanti delle scuole italiane.

STAROFFICE gratis per tutti gli studenti e gli insegnanti delle scuole italiane.

Siglato il protocollo d'intesa per la distribuzione gratuita di StarOffice ad oltre 10.700 scuole italiane in occasione dell’incontro tra Letizia Moratti, Ministro dell’Istruzione, dell’Università e della Ricerca e Scott McNealy, CEO di Sun Microsystems.

Redazione Educationandschool 23 Jun 2003
167.8K 0
McNealy: Microsoft potrebbe alterare XML

McNealy: Microsoft potrebbe alterare XML

Il boss di Sun teme che Microsoft possa corrompere XML con implementazioni proprietarie. Secondo McNealy non ci si può fidare di Microsoft. Perchè - afferma - ha già tentato di fare la stessa cosa con Java

Redazione Internet 01 Apr 2002
167.6K 0