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Location: Home>Upcoming Conference

ISSI-BJ Forum | Toward detection of Earth-like planets in the Universe, 24-25 June 2024, Beijing
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Update time: 2024-02-27
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"Are we alone?" has been a fundamental question since the dawn of civilization, and we have always been curious about the possibility of extraterrestrial life. Since the discovery of the first giant exoplanet orbiting a sun-like star named 51 Peg in 1995, over 5000 exoplanets have been discovered, with diverse properties and characteristics that are often different from our own planets. However, despite these great advancements, we have yet to discover another habitable Earth-like planet orbiting a sun-like star - an Earth 2.0. This forum will discuss key scientific issues such as “are we alone?”, “How common are Earth-like planets in the universe?” “How do terrestrial planets form?”, review status on searching of terrestrial-like planets and understanding their formation and discuss future plans for follow-up studies of Earth-like planet candidates detected by the ET space mission. 

ET will deploy a space observatory consisting of six wide-field transit telescopes and one microlensing telescope on a halo orbit around the Sun-Earth Lagrange L2 point. It will be the first combined effort to utilize the transit method and the microlensing method, employing space-based ultra-wide field and high-precision optical photometric observations. Its primary objective is to search for as yet undiscovered ‘Earth 2.0s’ and determine their occurrence rates, conducting the first large-scale survey of terrestrial planets and free-floating planets that are currently poorly understood. It aims to make the first discovery of free-floating Earths and determine their occurrence rates, thereby unraveling the origins of terrestrial and free-floating planets, and providing candidates and new directions for the search for extraterrestrial life.

Obiectives:
  • Reviewing the state in observational and theoretical studies of Earth-like planets and free-floating planets andtheir formation and evolution
  • Increasing the international visibility and impacts of the Earth 2.0 (ET) space mission
  • Strengthening the international collaboration in Earth-like planets and ET related science studies
  • Discussing follow-up studies of Earth-ike planet candidates with ground- and space-based telescopes
Date: 24-25 June 2024
CONVENERS

Jian Ge Shanghai Astronomical Observatory, Chinese Academy of Sciences, China
Steve Howell NASA Ames Research Center, USA
Francesco Pepe Department of Astronomy, University of Geneva, Switzerland
Jessie Christiansen NASA Exoplanet Science Institute, Caltech, USA
Chelsea Huang Centre for Astrophysics, University of Southern Queensland, Austrilia
Shude Mao Department of Astronomy,Tsinghua University, China
Dong Lai Department of Astronomy, Cornell Univ and Tsung-Dao Lee Institute, USA
Sharon Wang ISAS/JAXA, Japan

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