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360° panorama by Domingo Ruiz. Click the image to open the interactive version.
The globular cluster M2 is one of the oldest and densest globular clusters known in the Milky Way. It is located approximately 55,000 light-years away in the constellation of Aquarius. This cluster is a spherical collection of stars, numbering up to hundreds of thousands, all gravitationally bound and orbiting around a common center. M2 is renowned for its stellar density and impressive concentration of stars within a relatively small space. The stars comprising the globular cluster are mostly old and low-mass stars, indicating that M2 formed billions of years ago. The estimated age of M2 is around 13 billion years, making it one of the oldest known globular clusters. Its antiquity and stellar density make it a fascinating object for astronomers, as the study of globular clusters like M2 can provide invaluable insights into the formation and evolution of our galaxy, as well as the universe at large.
360° panorama by Domingo Ruiz. Click the image to open the interactive version.
The Crab Nebula is the remnant of a supernova that exploded in the year 1054, recorded by Chinese and Arab astronomers at that time. At the center of this nebula is a very special object: a pulsar. A pulsar is a highly magnetized neutron star that rotates rapidly, emitting regular pulses of electromagnetic radiation at a very precise time interval. This particular pulsar, known as PSR B0531+21, is the remnant of the collapsed core of the massive star that gave rise to the supernova. The Crab Nebula, in addition to being a fascinating testimony of the cosmic violence that occurs when a star reaches the end of its life, is a natural laboratory for studying extreme physical phenomena. The presence of the pulsar at its center, spinning at incredible speeds and emitting radiation in such a regular pattern, offers us a unique window into understanding the physics of magnetic fields and matter under extreme conditions. It is a reminder of the dynamics and intrinsic beauty of the universe, even in the most violent and explosive phenomena.