Many objects are scattered in this universe, one of which is a star which is a celestial body that emits light. There are 2 stars, namely pseudo stars that reflect light received from other stars, and real stars that produce their own light. But in general, stars are celestial bodies that emit their own light.
Stars have become a part of human life, stars are widely used in religious matters, farming, navigation, calendars, and others. The sun is the brightest star and closest to the earth, the distance is about 149,680,000 kilometers.
Sirius
Sirius, also known as Alpha Canis Majoris, is the brightest star in the sky. Sirius can be seen from almost anywhere on Earth, except for those living at latitudes above 73.284 degrees north. January 1 is the best time to see this brightest star.
The name ‘Sirius’ comes from the Greek “Seirios” which means blazing or very hot. Under the right conditions, Sirius can be seen with the naked eye when the sun is still above the horizon.
Canopus
Canopus is the 2nd brightest star after Sirius. The star, which has another name Alpha Carinae, is the brightest star in the Carina constellation. The best date to see Canopus is December 28-29, when this star is in the meridian at midnight. At that time people around the Equator can see Canopus.
Based on its spectrum, Canopus is a bright yellow-white giant star. Canopus is about 310 light years from the solar system.
Rigil Kentaurus
Rigil Kentaurus is also known by his popular name Alpha Centauri. This star is the 3rd brightest after the two stars above. Rigil Kentaurus is the brightest in the constellation Centaurus. This star is a three-star system that looks like one star when viewed from afar.
Rigil Kentaurus is about 4.2 to 4.4 light-years away from our solar system and is the closest star system to the solar system. This star is visible to most people in the southern part of planet Earth.
Arcturus
Arcturus or Alpha Bootis is the brightest star in the Bootes constellation, and the brightest star in the northern sky. Arcturus can almost be seen from all corners of the earth, because it is not far from the celestial equator. The best time to see this one star is around April.
Arcturus is about 43.9 light years from Earth and is famous for its massive movement. Visually, this star is at least 110 times brighter than the sun, but it radiates 180 times more energy.
Vega
Vega, also known as Alpha Lyrae, is the brightest star in the Lyra constellation and the 5th brightest in the sky. It is the second brightest star in the northern sky after Arcturus. Vega is twice as large as the sun and emits 50 times more energy.
Vega’s current age is estimated to be between 200 and 500 million years. Vega will only shine a billion years, one-tenth of the lifetime of the sun. This star also has a very fast rotation.
Capella
Capella or Alpha Aurigae is the brightest star in the constellation Auriga and the 6th in the sky. This star is also the most shining star in the northern sky after Arcturus and Vega. Actually Capella consists of 2 stars that are both 10 times the size of the sun.
The name Capella comes from Latin which means female goat (little), the distance of this star from the earth is 42 light years.
Rigel
Rigel or Beta Orionis is the brightest star in the constellation Orion, and the 7th brightest in the night sky. Rigel has a temperature of about 11,000 degrees Kelvin. The name Rigel comes from Arabic which means foot or foot of Orion. Rigel has a diameter 79 times greater than the sun and a mass 21 times greater.
Thus the explanation of the 7 brightest stars in outer space, if you are curious, try to pay attention to the sky at night. Hopefully this information can add to your insight and knowledge.
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