This t-shirt is in memory of the discover of pulsar, what does PSR B1919+21 mean? It means the radio emissions from the pulsar CP 1919, discovered by Jocelyn Bell Burnell on 28 November 1967. At the very beginning, this pulsar was thought to be the signal of an alien beacon, but soon scientists found that it is from a rapidly rotating neutron star. No one will refuse this t-shirt if they are a astrophile, add it to your wardrobe now!
Material: 60% Cotton, 40% Polyester
Graphic: NASA worm logo
Color: black, white, pink, yellow
Sleeve: Short Sleeve
Collar: Crew neck
Care: Machine washable
Print: Eco-friendly printing