Astronomers from the Department of Physics at the University of Tokyo discovered a dense disk of material around a young star, which may be a precursor to a planetary system.
Yamamoto Lab.:http://www.resceu.s.u-tokyo.ac.jp/~submm/index_e.html

Paper link:
http://iopscience.iop.org/article/10.3847/2041-8213/aad8ba
Press Releases at UTokyo:https://www.u-tokyo.ac.jp/focus/en/press/z0508_00006.html