
Here is how this technique works:
The vector-APP coronagraph[1] uses the wavelike nature of light to cancel out the starlight whilst allowing the planet’s light to shine through.
This manipulation is implemented through a complex phase pattern that can only be manufactured using advanced liquid crystal 3D patterning techniques [2]. This technique creates two images of the star, for which dark D-shaped regions are located on opposite sides of each star image. In this way, the whole region around the star can be scrutinized for planets. By combining several layers of liquid crystals, the device can be used over a wide range of wavelengths, including the infrared where the contrast between planet and star is more favorable.
It sounds like a really smart way to at least start narrowing where to focus. Even by paying close attention to only these regions seems like good common sense!
We hope you like the video below as well highlighting interesting strategy as well.
thanks to The University of Montreal for the great info

E.t. alien is a racist term.. And the universe is Abundant with them..
A) Are we sure we want to find them?
B) If they are even a few thousand years more advanced than we are… they found us along time ago. And we won’t know until they want us too.
Correction most likely we the human race are the creation from alien experiments similar to how laboratories preform experimental test to create cures for illnesses. The possibility of other life forms other than the human race is highly possible it’s just there hasn’t been any full proof to support that theory yet the evidence is all over the world
How did you correct what I said? I said they are likely more advanced… and if they did make us… which only pushes the origin question further out in space… they will only let us know when they are ready. But I hate that answer. Who created them? And who created them? There has to be an original infinite source. Our universe had a birthday and was therefore created by an original infinte source. A perfect definition of God.