And now, a giant map of the universe
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An international research team has released a giant 2D map of the universe, the National Astronomical Observatories of China under the Chinese Academy of Sciences said yesterday.
Conducted by the Beijing-Arizona Sky Survey of the NAOC and the Dark Energy Spectroscopic Instrument, the study paves the way for the upcoming new-generation dark energy spectroscopic survey.
Nearly 200 researchers from the NAOC and the DESI jointly observed galaxies and analyzed the data over the past six years. They stitched together the observed images and formed a giant 2D map of the universe.
The map covers half the sky, digitally sprawls over 10 trillion pixels and contains about 2 billion objects, said Zou Hu with the NAOC.
Astronomical observations reveal that the universe is expanding and appears to be accelerating.
The power driving the expansion is called dark energy by astronomers, according to Zhao Gongbo, deputy director of the NAOC, also a team member of the DESI.
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