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Astronomy: May 2019


High Definition Astrometry (0.1 - 1.0 micro-arcseconds) will open a new window into neighboring planetary systems. For the first time, the realm of temperate terrestrial worlds will be explored.

Transmission spectroscopy is an important technique to probe the atmospheres of exoplanets.

Over the past three decades instruments on the ground and in space have discovered thousands of planets outside the solar system.