Which of These Techniques Has Resulted in the BEST Angular

question 208

Multiple Choice

Which of these techniques has resulted in the BEST angular resolution of the image?

• A) adaptive optics as used with Keck II on Mauna Kea
• B) Hubble Space Telescope, an orbiting telescope
• C) active optics, as used with the New Technology Telescope in Chile
• D) interferometry, as used with the four telescopes of the Very Large Telescope (VLT) at the Paranel Observatory in Chile

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