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Radioisotope generators are the ‘nuclear batteries’ that power faraway spacecraft

Andrew R. Green Benjamin Roulston May 20, 2025

Voyager 1 thrusters, inoperable for 21 years, fixed from 15 billion miles away

Andrew R. Green NASA JPL May 19, 2025

Scientists discover ancient buried beach on Mars

Andrew R. Green Aaron J. Cavosie May 15, 2025

Mars may have once had a carbon cycle more favorable for life

Andrew R. Green Elisabeth Hausrath May 13, 2025

Pearl Young overcame barriers and ‘raised hell’ at NASA

Andrew R. Green Caitlin Milera May 12, 2025

New theory explains how water first arrived on Earth

Andrew R. Green Quentin Kral May 7, 2025

Why meteorites have less water than the asteroid bits returned by space probes

Andrew R. Green Patrick Shober May 5, 2025

Extraordinary evidence needed to claim discovery of extraterrestrial life

Andrew R. Green Chris Impey April 29, 2025

Potential sign of life found on a distant planet and why many are still skeptical

Andrew R. Green Daniel Apai April 20, 2025

Gaia telescope ends mission to create 3D map of Milky Way

Andrew R. Green Laura Nicole Driessen March 31, 2025
Andrew R. Green
About the author

Andrew R. Green

Andy has been actively involved in astronomy and space for over 37 years becoming interested in astronomy aged 7. He has since travelled the world to promote astronomy give presentations and lectures, visiting and taking groups to observatories as far afield as those in the USA including Hawaii, mainland USA, Australia, and Chile. He has visited several space agencies and their facilities including those at NASA and ESA. And When the Space Shuttle was flying he reported on 2 Shuttle Missions for the BBC & Spaceflight Magazine. He is a STEM Science Ambassador as well as lecturer and consultant.

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