8月22日(p1)、8月26日(p2)图
for我的熙玖~
On August 22 in 2017
Galaxy NGC 4993
In this galaxy, called NGC 4993, two neutron stars collided, creating gravitational waves discovered in 2017. The event produced a flash of light, called a kilonova, which appears to the upper left of center.
On August 26 in 2009
Hubble Ultra Deep Field
This image of the Hubble Ultra Deep Field includes infrared observations that allowed Hubble to peer deeper into the universe than it ever had before. The faintest and reddest objects in the image are galaxies that formed 600 million years after the big bang.