Rings around a tiny body have changed over the past decade

Chariklo is only about 250 km across, but it has two rings, and they're changing.

Summary written for cymesh.dev. The full article lives at Ars Technica.

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Certificates expire quietly

cymesh.net watches your TLS and SSL certificates and warns you before one lapses.

monitorsTLS/SSL expiry, chain and hostnamealertsemail, ahead of the expiry datescopenon-intrusive, read-only checks