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Hubble at 30: A cosmic legacy

Amid flame and smoke, the Hubble Space Telescope blasted off the launch pad aboard the space shuttle Discovery 30 years ago today, ushering in a new era for astronomy that has transformed our understanding of the Universe around us.

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An interview with David Grinspoon

As part of the new Gravity Assist podcast, NASA’s Director of Planetary Science Jim Green interviewed David Grinspoon of the Planetary Science Institute in Arizona about the planet Venus and what makes the second world from the Sun so hellish compared to Earth.