Explain why gravitational lensing is not a great way to discoverlarge numbers of extrasolar planets given our current resources andtechnology. Also explain how, if you were determined and had accessto enormous funding resources, you could still use gravitationallensing to discover a significant number of extrasolar planets.Conditions: you cannot leave the Earth’s surface, take anunlimitted amount of time, or send anything out from Earth toachieve your goal.
