It’s a Lightning node explorer, you can find information about different nodes, how to connect etc. here’s mine: https://amboss.space/node/036830d48d746852dbc72438d3eb35c609a687c98a2ee68534201fa824638c9f9d
Discussion
Can you earn sats by running a node. Like earning bitcoin from mining??
Yes, of course, by routing payments.
You need a big node though to make smth useful. Otherwise yes it brings you more sats :).