ann14021 — Announcement

Media Advisory: Press Conference in Brazil to Announce Discovery in Outer Solar System

25 March 2014

An international team of astronomers, led by Felipe Braga-Ribas (Observatório Nacional/MCTI, Rio de Janeiro, Brazil), has used telescopes at seven locations in South America, including the 1.54-metre Danish and TRAPPIST telescopes at ESO’s La Silla Observatory in Chile, to make a surprise discovery in the outer Solar System.

This unexpected result raises several unanswered questions and is expected to provoke much debate. A press conference will be held in Brazil to present the new results and allow opportunities for questions.

Note that all information regarding these findings is under strict embargo until 19:00 CET (15:00 BRT) on Wednesday 26 March 2014.

When: The conference will be held on 26 March 2014 at 14:30 local time (BRT) and will take place in Portuguese with a summary in English.

Who: The conference presenters are:

  • Felipe Braga-Ribas, Observatório Nacional/MCTI, Rio de Janeiro, Brazil
  • Bruno Sicardy, LESIA, Observatoire de Paris, CNRS, Paris, France
  • Prof. Roberto Martins, Observatório Nacional/MCTI, Rio de Janeiro, Brazil
  • Prof. Julio Camargo, Observatório Nacional/MCTI, Rio de Janeiro, Brazil

Where: The event takes place in Observatório Nacional, Auditório do Grupo de Pesquisas em Astronomia (GPA), in the GPA/LINEA Building in Rua General José Cristino, 77, Bairro de São Cristovão, Rio de Janeiro - RJ, 20921-400, Brazil.

How: To participate in the conference and receive additional material, bona fide members of the media must get accredited by sending an email to Dr. Gustavo Rojas (ESON Brazil) at Members of the media may also request the feed URL from the contacts below. Questions can be sent by email to in Portuguese or English. A limited number of journalists can participate via GoToMeeting online (please request access from


Gustavo Rojas
ESON Brazil, Universidade Federal de São Carlos
São Carlos, Brazil
Tel.: +55 1633519795
Cell.: +55 16991554847

Richard Hook
ESO, Public Information Officer
Garching bei München, Germany
Tel: +49 89 3200 6655
Cell: +49 151 1537 3591

About the Announcement



ESO’s La Silla Observatory
ESO’s La Silla Observatory