# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/hck4q6q
European astronomers explore galaxy cluster G113
Using ESA's XMM-Newton satellite and the Low-Frequency Array (LOFAR), a team of European astronomers has explored a galaxy cluster known as PSZ2G113.91-37.01 (or G113 for short). Results of the observational campaign, presented in a paper published October 5 on the pre-print server arXiv, shed more light on the properties and nature of this cluster. ⌘ Read more