Friday, June 16, 2017

optics - Do gravitational lenses have a focus point?


Do gravitational lenses have a focus point? Could I burn space ants?



Answer




The gravitation lens generates smaller angular deflections at large impact factors. A converging lens generates larger angular deflections at larger impact parameters.


So, a first guess would be "no way".


-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...