2024-01-15 08:47:26
The Seal Astronomical Observatory of the International Astronomy Center in Abu Dhabi photographed the “Dolphin Head” nebula, which is a cosmic gas and dust located in the “Canis Major” group. It was named so because its shape resembles a dolphin’s head. It is 4,530 light-years away from us, and light takes 60 years. To cut it from beginning to end, using a color camera, a light pollution filter, and a 4-inch refracting telescope.
According to the International Astronomy Center, this nebula consists mostly of ionized hydrogen, which resulted from the explosion of the relatively bright star visible in the middle of the nebula, according to estimates, regarding 70 thousand years ago, expelling the layers of hydrogen that make up the star outward. The bubble shape shown in the image was caused by outgoing stellar winds. From the star at a speed of 1700 kilometers per second.
Nebulae are referred to in astronomy. They are celestial bodies with a diffuse, irregular appearance, consisting of rarefied gas of hydrogen, helium, and cosmic dust. Astronomers study nebulae by studying the medium between the two stars (matter and radiation), especially between the stars of our galaxy, which are huge clusters. The volume contains billions of stars, planets, moons, asteroids, and meteorites, and it also contains cosmic dust, dark matter, and stellar remains.
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