HEATKEYS

YouTube is a place to discover, watch, upload and share videos.

Twitter is without a doubt the best way to share and discover what is happening right now.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

Yahoo! Groups offers free mailing lists, photo & file sharing, group calendars and more. Discuss hot topics, share interests, join online communities.

BuzzFeed tracks the web

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Noticias online, Infórmese de la últimas noticias del día. Noticias actuales internacionales, noticias de última hora de hoy

Una invitación a mirar las estrellas

Espacio de publicación oficial de la Sección de Cometas de la LIADA Liga Iberoamericana de Astronomía. "56 Años ... Semper Observandum" y al servicio de la Comunidad Astronómica

Un site para la comprensión del cosmos y los vuelos espaciales desarrollado para estudiantes, educadores y todos aquellos que desean aprender sobre las maravillas del universo, la astronomía, el espacio o los telescopios.