| Stellar Structure and Evolution Provider: videolectures.net Language: English |
| College Physics: OpenStax Provider: ecampusontario open library Language: English |
| University Physics Volume 3: OpenStax Provider: ecampusontario open library Language: English |
| Light, charges and brains Provider: university of bologna digital library Language: English |
| Chandra’s Scientific Legacy Provider: videolectures.net Language: English |
| ENERGIA Cap.I°.1 Provider: university of bologna digital library Language: Italian |
| University Physics Volume 1: OpenStax Provider: ecampusontario open library Language: English |
| Gravitational Waves: A New Astronomy Provider: videolectures.net Language: English |
| The Art of Insight in Science and Engineering: Mastering Complexity Provider: mit opencourseware Language: English |
| Scattering of Radiation in the Universe: From the CMB and Last Scattering Surface to Clusters of Galaxies and Quasars Provider: videolectures.net Language: English |