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The plan to put humans on the Moon by 2024 ...
The Gateway is our ability to go the Moon fast, for sure.
Why is that so important? The Moon is a proving ground.
It's the best place for us to live and work on another world ...
A black hole and its shadow have been captured ...
The image shows the supermassive black hole ...
Several NASA spacecraft also observed the black hole ...
Results from our landmark Twins Study
For more information visit: nasa.gov/twins-study.
James Buchli has four space flights to his credit...