Astronomi
Tutte le voci di Astronomi:
- Hack, Margherita
- Hadley, John
- Hagen, Johann Georg
- Hale, George Ellery
- Hall, Asaph
- Halley, Edmund
- Hamilton, sir William Rowan
- Hansen, Peter Andreas
- Harriot, Thomas
- Hartmann, Johannes
- Hawking, Stephen William
- Herschel, Friedrich Wilhelm
- Herschel, John Frederick William
- Herschel, Lucretia Carolina
- Hertzsprung, Ejnar
- Hevelius, Johannes
- Hill, George William
- Holywood, John
- Horn d'Arturo, Guido
- Horrebow, Peter
- Horrocks, Jeremy
- Hoyle, Fred
- Hubble, Edwin Powell
- Huggins, sir William
- Huygens, Christiaan