Browsing: Science

The planet Mars is Earth’s neighboring planet, and for this reason alone it exerts a certain attraction on researchers. Three space probes are currently approaching the planet and are expected to reach it in the course of February. The mission that is receiving the most attention is that of the U.S. space agency NASA. It has a lot of experience with Mars and at the same time has the best public relations. While only fragments of the Chinese Mars mission “Tianwen-1” are known, quite a lot is known about the NASA mission “Mars 2020”: The rover “Perseverance” is to land…

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Black holes are mysterious and fascinating entities endowed with incredible powers. With its huge gravitational pull, a black hole attracts everything that comes near it. No light penetrates out of it. Therefore, the gravity giants cannot be observed directly with optical telescopes. Every galaxy probably has a black hole at its center that holds the structure together around itself – normally. Despite an intensive search, astronomers have not yet discovered such a black hole in the distant galaxy with the cryptic name A2261-BCG. In the center of this brightest galaxy of the galaxy cluster Abell 2261 there is a gap.…

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