What Star Has The Highest Absolute Magnitude?

What Star Has The Highest Absolute Magnitude? Common Name Absolute Magnitude 1Sirius 1.45 2 Canopus -5.53 3 Arcturus -0.31 4 Rigel Kentaurus 4.34 What star has the brightest absolute magnitude? Common Name Scientific Name Absolute Magnitude Sun 4.8 Sirius Alpha CMa 1.4 Canopus Alpha Car -2.5 Rigil Kentaurus Alpha Cen 4.4 What star has an

Why Does The Brightness Of A Star Depend On Its Size And Temperature?

Why Does The Brightness Of A Star Depend On Its Size And Temperature? As the size of a star increases, luminosity increases. If you think about it, a larger star has more surface area. That increased surface area allows more light and energy to be given off. Temperature also affects a star’s luminosity. Is the

Does Light Decrease With Distance?

Does Light Decrease With Distance? There is an inverse relationship between distance and light intensity – as the distance increases, light intensity decreases. … The light energy at three times the distance away is spread over nine times the area, and so on. Why does luminosity decrease with distance? Notice that as the distance increases,

How Is Apparent Brightness Calculated?

How Is Apparent Brightness Calculated? The apparent brightness of a star is the rate at which energy (in the form of light) reaches your telescope, divided by the area of your telescope’s mirror or lens. … Apparent brightness is thus measured in watts per square meter. For instance, the apparent brightness of the Sun is

How Do You Calculate Luminosity?

How Do You Calculate Luminosity? A star’s luminosity, which is how much energy is emitted per second from the star, is measured in Watts or in solar luminosities (L⊙) where 1L⊙ = 3.85 x 1026 Watt. We determine a star’s luminosity by measuring its distance and its apparent brightness How do you calculate luminosity of