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100X Signatories

† Stephen Hawking

† Stephen Hawking https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070010/Hawking_thumb.jpg 480 270 Asteroid Day Asteroid Day https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070010/Hawking_thumb.jpg

English theoretical physicist, cosmologist, author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge

Lord Martin Rees

Lord Martin Rees https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070003/martin_rees_thumb.jpg 480 270 Asteroid Day Asteroid Day https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070003/martin_rees_thumb.jpg

British Astronomer Royal, Cosmologist and astrophysicist

Scott Manley

Scott Manley https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/07012018/Scott_Manley.jpg 480 270 Asteroid Day Asteroid Day https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/07012018/Scott_Manley.jpg

Youtube personality, science educator and imaginary space explorer

Geoff Notkin

Geoff Notkin https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04071159/GEOFFREY_NOTKIN_thumb.jpg 480 270 Asteroid Day Asteroid Day https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04071159/GEOFFREY_NOTKIN_thumb.jpg

Meteorite expert, science writer, and Emmy-winning television host

Chris Hadfield

Chris Hadfield https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070756/Chris-Hadfield_thumb.jpg 480 270 Asteroid Day Asteroid Day https://asteroidday-uploads.s3.eu-central-1.amazonaws.com/wp-content/uploads/2018/06/04070756/Chris-Hadfield_thumb.jpg

Canadian Astronaut, former NASA Director of Operations in Russia