First Look at Ryugu Asteroid Sample Reveals it is Organic-Rich

First look at Ryugu asteroid sample reveals it is organic-rich

Science has a special issue dedicated to analyses of the samples collected from the surface of asteroid Ryugu. Here’s a link to the intro:

Astronomer Rudolf Wolf observed sunspots through a telescope for 46 years from 1847 and managed to reconstruct historical records back to 1610. His sunspot number monitoring work continued at the Zürich Observatory until 1979