Analyse @esa's tweets
? This NASA/ESA @HUBBLE_space Telescope image features an unusual object, a galaxy in the bottom right corner, named SGAS 0033+02.
?Q: Why is it unusual? [Clue: gravitational lensing]
?A: the galaxy appears three times in this image!
How? ? https://t.co/IReZikUcZl https://t.co/934aKRJBSh
?Q: Why is it unusual? [Clue: gravitational lensing]
?A: the galaxy appears three times in this image!
How? ? https://t.co/IReZikUcZl https://t.co/934aKRJBSh