HRD is about a century old collected data.
How do we know about the stars without
the time required?
The Hubble sphere would be an assumption
because it is beyond observation...
| Sysop: | Keyop |
|---|---|
| Location: | Huddersfield, West Yorkshire, UK |
| Users: | 796 |
| Nodes: | 16 (3 / 13) |
| Uptime: | 149:57:22 |
| Calls: | 13,191 |
| Calls today: | 14 |
| Files: | 15,483 |
| Messages: | 6,579,270 |
| Posted today: | 2 |