Professor Graziano Rossi of the Department of Physics and Astronomy at Sejong University participated in the creation of a 3D space map – Women’s Consumer Newspaper VRESP

(Reporter Kim Hee-jeong, Women’s Consumer News) The Dark Energy Spectroscopic Instrument (DESI) joint research team led by Professor Graziano Rossi (photo) of the Department of Physics and Astronomy at Sejong University (President Bae Deok-hyo) produced the world’s largest 3D space map on the 4th.

DESI is a scientific research equipment that investigates distant galaxies spectroscopically and astronomically, and is expected to enable experiments to explore the expansion history of the universe and the unknown physical phenomenon of dark energy.

It was constructed and operated with funds from the DOE Office of Science and is currently located atop the 4-meter Maill Telescope at Kittpeak National Observatory, a program of the National Science Foundation’s (NSF) National Optical Infrared Astronomy Laboratory (NOIRLab).

The map produced this time contains galaxies and quasars. The DESI joint research team used the map to look back on the past 11 billion years of history and study the expansion rate of the universe to obtain a method of measuring dark energy.

The DESI joint research team is an international collaborative research team comprised of more than 900 researchers from more than 70 institutions around the world. Professor Rossi is one of the ‘Builders’ of the research team and currently serves as the chairman of the meetings committee.

Last year, he and Sejong University graduate researcher Moon Jeong-in (Max Planck Institute for Astrophysics) first detected baryon acoustic vibration signals through the first two months of DESI data.

Reporter Kim Hee-jeong [email protected]

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