The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

Abstract: We have developed a 16-inch ultraviolet-ray image intensifier (UVII) tube to form the spherical focal surface of the All-sky Survey High Resolution Air-shower Detector (Ashra) telescope, a ...

Abstract: X-Ray fluorescence (XRF) scanning of works of art is becoming ... In this paper, we propose an XRF image super-resolution method to address this trade-off, thus obtaining a high spatial ...