The Omega nebula is a star-forming region in the constellation of Sagittarius. It is also called the Swan Nebula and the Horseshoe Nebula, as it takes the shape of both a swan and a horse shoe. It was discovered by Swiss astronomer Philippe Loys de Chéseaux in 1745-1746. It is just one of many galactic […]
The universe is continuously being explored by astronomers and scientists. This exploration and research endeavors have led to the discovery of many other galaxies and celestial phenomena that had been unknown to us for many years. Now, the Milky Way galaxy, which is our galaxy, is now part of a Local Group, where about thirty
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Photo by: CWitte Creative Commons Virgo cluster is a group or clusters of galaxies in the universe. The cluster includes approximately 1,300 to 2,000 galaxies. Some are big while 90% of them are dwarf galaxies. These galaxies are attracted to each other by a common gravitational force. The Virgo cluster spans 15 million light years
A few billion years into the life of a star and its center will run out of fuel to burn. This results in the cooling and contraction of the star that will give rise to the collapse of the core inwards due to gravity. Coincidentally, this collapse results in the fusion of hydrogen to form
A spiral galaxy is so-called because of how it looks: with arms extending from its center. Upon closer inspection, you may find that the spiral galaxy actually looks like a pinwheel, with its arms going out from the central cluster of stars.
What is a Supernova? To say in three words, a supernova is an exploding star. Okay, that was more than three, but you get the point. A supernova is more significant than a nova, but less so than a hypernova. Supernovae are very bright and generate bursts of radiation that can briefly outshine a whole
Most people refer to this as either the Milky Way or Galaxy. The Milky Way is where Earth and our Solar System are located. Aristotle, in his Meteorologica, suggested that the Milky Way may be made up of distant stars. Galileo provided proof that the Milky Way did consist of stars when he used his
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Our Solar System includes the Sun and the planetary system revolving around it. A “planetary system” is a group of non-stellar objects (planets, dwarf planets, moons, asteroids, meteoroids, comets and cosmic dust) that orbit around a star, the sun is classified as a star. The Solar System includes four terrestrial planets (composed of rock and
