University of Tokyo, Kashiwa, Japan, Author at Astronomy.com

Cosmology, Exotic Objects, Stars

Most metal-poor star hints at universe’s first supernovae

Exotic Objects, Stars

Cosmic illusion revealed: Gravitational lens magnifies supernova

A new view on the origin of dark matter and dark energy

Exotic Objects, Stars

“Standard candle” supernova extraordinarily magnified by gravitational lensing

The first evidence that a yellow supergiant became a supernova

Cosmology, Science

“Cosmic mirages” confirm accelerated cosmic expansion

Cosmology, Galaxies

Missing dark matter located