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  1. No Access

    Article

    Direct detection of a microlens in the Milky Way

    The nature of dark matter remains mysterious, with luminous material accounting for at most ∼25 per cent of the baryons in the Universe1,2. We accordingly undertook a survey looking for the microlensing of stars ...

    C. Alcock, R. A. Allsman, D. R. Alves, T. S. Axelrod, A. C. Becker, D. P. Bennett… in Nature (2001)

  2. No Access

    Article

    Possible gravitational microlensing of a star in the Large Magellanic Cloud

    THERE is now abundant evidence for the presence of large quantities of unseen

    C. Alcock, C. W. Akerlof, R. A. Allsman, T. S. Axelrod, D. P. Bennett, S. Chan… in Nature (1993)

  3. No Access

    Article

    Nickel, argon and cobalt in the infrared spectrum of SN1987A: the core becomes visible

    Infrared spectra of supernova 1987A taken in April and November 1987 from the Kuiper Airborne Observatory (KAO) show two distinctly different stages in the evolution of the expanding gas shell. In April both t...

    D. M. Rank, P. A. Pinto, S. E. Woosley, J. D. Bregman, F. C. Wittebornt… in Nature (1988)