which to calculate using this website is too large. Deneb Algedi Apparent and … Explain your reasoning. Deneb has a spectral type of A2Ia, a surface temperature of 8525° Kelvin and a luminosity 54,000 times the Sun. So there is 8 million times more space in a sphere around the Sun that ends at Deneb, than there is from the Sun out to 15 light-years. Its absolute magnitude has been speculated to be around -8.38. The Sun is just an average sized star. Deneb’s Size and Age in Perspective: If our sun was the size of a marble, the diameter of Deneb would be equal to the size of a a prison cell. To compare the volume of a sphere from the Sun to these points we use Volume=(4/3)*pi*R 3. To give idea of size, the Sun is 99.86% the mass of the solar system. The image above shows the uncropped view of Deneb (North is up) through the Takahashi E-180 Astrograph. The Deneb Algedi's solar mass is 2.00 times that of our star, the Sun. English: Comparison of the sun and the star Deneb (250 times the radius) With an estimated temperature of 8,525 K, it is 196,000 times more luminous than the Sun. Deneb is the most distant bright star in Earth's sky, lying thousands of light-years away from Earth. The Sun's radius is 695,800km, therefore the star's radius is an estimated 164,137,528.53.km. Since the age of Deneb is difficult to determine, I’m not going to provide an age comparison here. Deneb is a blue-white supergiant of the spectral type A2 Ia. The Sun's Mass is 1,989,100,000,000,000,000,000 billion kg. If you need the diameter of the star, you just need to multiple the radius by 2. Deneb along with Altair and Vega This size comparison of the Sun and the planets in our solar system is going around frequently, but it’s still amazing to see it. It has a mass of 20 solar masses and a diameter 110 times the Sun. Compared to the size of our galaxy, is Deneb truly distant? As a result of strong stellar … Created by the San Francisco-based artist Roberto Ziche, the image features the Sun in the background with the planets, Moon and the four dwarf planets lined up in the foreground in the relative scale of size to one another. Deneb is not truly distant – dot A is closest to representing is location relative to the Sun, and it is barely a separate dot from the Sun. The ratio of the volumes is then V Deneb /V Nearby =3000 3 /15 3 =8*10 6. (Its exact distance is uncertain.) Deneb is only 1.4% of the diameter of the Milky Way distant from the Sun! For example, below is a list of some of the largest stars in our galaxy and how they compare to our Sun: Mu Cephi - about 1500 times the size of our sun; Betelgeuse - about 900 times the size of our sun ; Antares - about 530 times the size of our sun ; Deneb - about 145 times the size of our sun Deneb is almost twice as hot as our sun, with average temperatures estimated at around 8.525 K. 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