7 of the brightest stars you can see with the naked eye on Earth | Trending Viral hub


Looking up at the night sky can fill you with wonder as you examine the tiny points of light. Some stars are more luminous than others due to their proximity to Earth, and the stars closest to Earth will appear the brightest.

In astronomy, brightness is measured in negatives. This means, the The higher the number, the dimmer the object.. For example, Earth’s moon has a magnitude of -12.6 and our Sun has a magnitude of -26.7. The most distant stars are not seen with the naked eye, but only with a space telescope such as the Hubble Space Telescope, with a magnitude greater than 30.

There are different types of magnitudes but those listed below are in apparent magnitude, or how bright a star or other object in the sky appears to someone observing from Earth. This type of magnitude is also called visual magnitude.

Here are the seven brightest and closest stars seen with the naked eye from Earth and their measurements.

1. Syrian

Sirius, the brightest star in the sky, is at the bottom of the image. (Credit: Erkki Makkonen/Shutterstock)

The brightest star in the sky is Sirius. Known as the North Star, Sirius is located in the constellation Canis Major or “Big Dog” and aligns with the right leg of the constellation Orion. Its name, which in Greek means sparkling, honors its luminosity.

Even the ancient Egyptians noticed the bright star and named it Sothis. Since the star rose a little before dawn, around the time the annual flooding of the Nile River began, they thought the star caused the flooding. For the ancient Romans, Sirius represented the hottest part of the year.

As the brightest star in the sky, Sirius has a visual magnitude of -1.46 and is 25.4 times brighter than the sun. He also has a much smaller companion named Sirius B.

Read more: Why is space so dark even though the universe is full of stars?

2. canopic

(Credit: PC Agenteefo/Shutterstock)

The star canope It is located in the Carina constellation, which is 310 light years from Earth. The Syrian philosopher Poseindonius used the star as a tool to calculate the size of our planet.

It is the second brightest star in the sky with a visual magnitude of -0.74. Canopus is not seen in the northern latitudes of the United Statesmany travel south to see the twinkling star in the southern hemisphere.

3. Alpha Centauri

(Credit: Tragoolchitr Jittasaiyapan/Shutterstock)

Alpha Centauri It is a three star system around 25 billion miles from the earth. The brightest of the three stars, Alpha Centauri A, is like our Sun in size and brightness. The other two are Alpha Centauri B and the red dwarf Proxima Centauri. Together, the trio of stars constitute the third brightest star on Earth. The visual magnitude of the brightest star in Alpha Centauri is 0.0.

The system is located in the constellation Centaurus and is seen in the southern sky. The Alpha Centauri star system could have the potential to host life, and observatories like NASA’s Chandra Telescope have been observing it for years.

Read more: What happens when a star dies?

4. Arthur

Arcturus in the Boötes constellation. (Credit: M Andy/Shutterstock)

Arcturus It is the fourth brightest star in the Earth’s sky and is located in the Boötes constellation. Arcturus in Greek means “bear guard,” which is appropriate because it is located in line with the tail of the constellation Ursa Major, or great bear. The brightness of Arcturus reaches a visual magnitude of -0.05.

Orange in color, the star is visible to the naked eye. As a red giant, Arcturus is at the end of its life and will eventually transform into a planetary nebula.


(Credit: KorArka/Shutterstock)

Vega It is located in the constellation Lyra in the northern sky. The star is relatively close to our Sun, 25 light years away. Vega is part of the ‘Summer Triangle’ or the three bright stars of other constellations that form a triangle. Experts suspect that the star has a ring of dust around its circumference, like the Solar System’s icy Kuiper belt.

It is visible in the Northern Hemisphere at any time of year during part of the night, but is most prominent in the summer skies of the Northern Hemisphere. Deneb, Vega and Altair are the three stars that make up the triangle. Vega has a visual magnitude of 0.03.

6. Chapel

(Credit: Tragoolchitr Jittasaiyapan/Shutterstock)

cappella It appears yellow and is located in the northern hemisphere, in the constellation Auriga. The name Capella is Latin for goat and the star system is about 42.2 light years from Earth with a visual magnitude of 0.08.

On Earth, Capella looks like one star to the naked eye, but it is actually a four-star system. It consists of a pair of bright yellow giant binaries called Capella Aa and Capella Ab and another pair of red dwarfs called Capella H and Capella L.

Read more: Why are there no green stars?

7. Rigel

(Credit: PlanilAstro/Shutterstock)

Rigel is located in the constellation of Orion or the Hunter. The star is a blue-white supergiant located 870 light years from the Sun. Rigel in Arabic means “the left leg of the giant” and refers to its position as one of the legs of Orion.

Within Rigel there are three other stars. detected only by Earth’s giant telescopes. Is color blue It means it is hotter than the sun. Rigel is not as bright as the rest of these stars and has a visual magnitude of 0.12.

Article sources

Our writers at Discovermagazine.com We use peer-reviewed studies and high-quality sources for our articles, and our editors review them for scientific accuracy and editorial standards. Please review the sources used below for this article:


Check Also

Sea otters hold hands while sleeping and even hug each other | Trending Viral hub

[ad_1] You may have seen it on social media, or even in an aquarium: sea …

How plant intelligence can alleviate climate anxiety | Trending Viral hub

[ad_1] How plant intelligence can alleviate climate anxiety In new book, plant wisdom is a …

Contributors to the May 2024 issue of Scientific American | Trending Viral hub

[ad_1] Collaborators of American scientistMay 2024 Edition Writers, artists, photographers and researchers share the stories …

Leave a Reply

Your email address will not be published. Required fields are marked *