General Carnival of Space #619 & #620 – Urban Astronomer & Citizen Science July 16, 2019 TopSpacer The Urban Astronomer hosts the Carnival of Space #619. And the Citizen Science blog hosts the Carnival of Space #620. Artist’s rendering of a black hole and its accretion disk. Credits: Western News at Western University via Carnival of Space ==== Manned Lunar Landing and Return Share this:FacebookTwitterLinkedInTumblrMorePinterestPrintReddit Related