A Four Planet System in Orbit, Directly Imaged and Remarkable 1.2.2019 The era of directly imaging exoplanets has only just begun, but the science and viewing pleasures to come are appealingly apparent. This evocative movie of four planets more massive than Jupiter orbiting the young star HR 8799 is a composite of sorts, including images taken over seven years at the W.M. Keck observatory in Hawaii. The movie clearly doesn’t show full orbits, which will take many more years to collect. The close

Understanding Astronomy: The Study of Celestial Objects and the Universe