| In many instances, these three basic physical sciences even overlap, giving rise to joint disciplines such as astrophysics and chemical physics. |
| I was about twelve years old when my father began bringing home Fred Hoyle's books on astrophysics. |
| Cosmology and astrophysics are branches of physics in which one needs an unusual combination of breadth and depth to excel. |
| Only the professionals could afford the large telescopes and complex support gear required for modern astronomy and astrophysics. |
| His interests range from astrophysics and quantum mechanics to mathematical puzzles and games. |
| As a young man he presented a paper on astrophysics that was publicly ridiculed by an eminent astrophysicist. |
