The origin of the Leap Year

Privacy Overview

The Outreach area of the Instituto de Astrofísica e Ciências do Espaço uses third-party cookies, which only indirectly identify the user. These cookies, although not essential to the functioning of the website, are necessary for its maintenance, as they enable us to analyse and learn about how the website is used by its visitors, allowing us to customize and improve the contents we offer.

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Cookie	Description
AddThis sharing	IA, in the Outreach area of the website, uses the Oracle AddThis tool set to: help the user share content from this website on other websites and social media platforms; enable IA to customise the contents and functionalities on this website to the interests of its users. In addition, Oracle may use these data for other means as specified in their privacy policy, which can be found here: http://www.addthis.com/privacy/privacy-policy
Google Analytics	IA, in the Outreach area of the website, uses the Goolge Analytics tool set to: enable IA to customise and improve the contents and functionalities on this website to the interests of its users. In addition, Google may associate the data generated through the Analytics tool set on this website to the user browsing experience with the same browser, computer or device in other websites that use this same tool set.
Language preference (Polylang)	IA, on the Outreach area of its website, uses the Polylang tool to: save the language preference of the users, so that they don't have to choose their preferred language every time they visit the website or move to a new page.