In a science popularization activity in Hong Kong on Friday, the young participants talked with the three astronauts currently working in the Tiangong space station, as well as space scientists in …
( read original story …)
The HongKong News
In a science popularization activity in Hong Kong on Friday, the young participants talked with the three astronauts currently working in the Tiangong space station, as well as space scientists in …
( read original story …)