The onset of star formation 250 million years after the Big Bang

  title={The onset of star formation 250 million years after the Big Bang},
  author={Takuya Hashimoto and N. Laporte and K. Mawatari and R. Ellis and A. Inoue and E. Zackrisson and G. Roberts-Borsani and W. Zheng and Y. Tamura and F. Bauer and T. Fletcher and Y. Harikane and B. Hatsukade and N. Hayatsu and Y. Matsuda and H. Matsuo and T. Okamoto and M. Ouchi and R. Pello and Claes-Erik Rydberg and I. Shimizu and Y. Taniguchi and H. Umehata and N. Yoshida},
  • Takuya Hashimoto, N. Laporte, +21 authors N. Yoshida
  • Published 2018
  • Physics, Medicine
  • Nature
  • A fundamental quest of modern astronomy is to locate the earliest galaxies and study how they influenced the intergalactic medium a few hundred million years after the Big Bang1–3. The abundance of star-forming galaxies is known to decline4,5 from redshifts of about 6 to 10, but a key question is the extent of star formation at even earlier times, corresponding to the period when the first galaxies might have emerged. Here we report spectroscopic observations of MACS1149-JD16, a gravitationally… CONTINUE READING

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