It comes from a unicellular organism named Chloroplast that produces a green pigment substance called chlorophyll, this where oxygen is produced as a by-product of photosynthesis.
"The advantage of interferometry for optical astronomers is that it can provide measurements of stars with a higher angular resolution than is possible with conventional telescopes. ... An optical interferometer does not produce direct images of stars and typically has only a rudimentary ability to make images.
Answer:
compound microscope and stereo microscope
