jrollans.com is a Fediverse instance that uses the ActivityPub protocol. In other words, users at this host can communicate with people that use software like Mastodon, Pleroma, Friendica, etc. all around the world.
This server runs the snac software and there is no automatic sign-up process.
📅 🔭🌌 On this day in 1990: The Hubble Space Telescope launched, revolutionizing our view of the cosmos despite a famously flawed mirror. When first images came back blurry, #NASA discovered the primary mirror was too flat by just 25.4 nanometers. After a dramatic 1993 repair mission, Hubble began capturing the #space imagery that has changed our understanding of the #universe.
👉 Learn more: https://zurl.co/25rMM
#tksst #video #tdih #history #astronomy #light #nyt #planets #science #stars #tech #technology