On 19 November 2021, a partial lunar eclipse occurred over the sky of Hong Kong in the evening. In fact, this partial lunar eclipse started at about 2pm HKT when the "Moon enters penumbra"....
In 1931, an American chemical engineer, Dr Samuel Stephens KISTLER bet his colleague, Dr Charles LEARNED, that they could replace the liquid inside a jelly with gas without shrinking it. Dubbing this concept “aerogel”, they managed to make the first aerogel with silica …
On April 10, 2019, a team of scientists made history by capturing the first ever image of a black hole. This remarkable picture occupied headlines worldwide, and rightfully so – we never thought we would ever be able to capture a black hole in an image that can be passed around the world…
The first discovery of gravitational waves was made during the first so-called observation run, extended stretches of data taking, between September 2015 and January 2016. During this first observation run, Advanced LIGO made two detections of gravitational waves, both originating in the collision of two black holes…
China, the UAE and the US had successfully launched their Mars probes during the launching window in July last year. After more than half a year of space travel, the three Mars probes, namely, "Tianwen-1" of China, "Hope" of the UAE and "Perseverance" of the US have arrived their destinations and started their missions…
The successful launching of those probes marks the beginning of their Mars missions. Let’s explore more about missions to the red planet…
At 5:58pm (EDT) on 19 July 2020, the United Arab Emirates (UAE) successfully launched their Hope Probe from the Tanegashima Space Centre in Japan…
In recent years, exploration of Mars has aroused great interest in many countries. It is not only because Mars is the closest planet to Earth except Venus, but also due to the fact that it is one of the astronomical objects in the solar system that is most similar to Earth…