What methods do scientists use in order to locate planets?

Question

And please explain how pulsar timing, radial velocity measurements, astrometry, photometry, and gravitational microlensing help in locating planets.

Answer 1

hey, do your own homework!!!!! wait its summer. well, they use special telescopes that detect infrared stuff, and it gives you a color and you can see them because the telescope detects heat from the planet. i think. or they just accidentally crash on it

Answer 2

no they infrared censors and thermal geological tracking i seen it on the discovery channel