Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing at 1 mm wavelengths. (Please answer with either HST or VLBA)

Question

bobpursley · Answer

You can calculate this readily theta=1.22 wavelength/aperture Theta is in radians. Look up the wavelength of light (yellow).

Tsambikos · Answer

Thank you very much!! And what is the answer to this question?