Table of Contents
How bright is kochab?
2.08
Beta Ursae Minoris/Magnitude
With an apparent magnitude of 2.08, it is the second brightest star in Ursa Minor, after Polaris. Kochab lies at a distance of 130.9 light years from Earth. It is one of the seven stars that form the Little Dipper.
What is the color of Pherkad?
Pherkad is a main star in the constellation Ursa Minor and makes up the constellation outline. Based on the spectral type (A3II-III) of the star, the star’s colour is blue – white .
What type of star is kochab?
K4 III
Beta Ursae Minoris/Spectral type
Is Yildun brighter than the sun?
Physically, Yildun is a quite-ordinary white class A star (A1) 183 light years away with a temperature of 9000 Kelvin, a luminosity 47 times that of the Sun, and a diameter of 2.8 solar.
How old is Arcturus?
7.105 billion years
Arcturus/Age
How old is light from Arcturus?
around 7.1 billion years old
Located relatively close at 36.7 light-years from the Sun, Arcturus is a single red giant of spectral type K1. 5III—an aging star around 7.1 billion years old that has used up its core hydrogen and evolved off the main sequence….Arcturus.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Age | 7.1+1.5 −1.2 Gyr |
| Other designations |
How big is Kochab in light years from Earth?
Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 25.79000 which gave the calculated distance to Kochab as 126.47 light years away from Earth or 38.77 parsecs. If you want that in miles, it is about 743,469,750,946,531.16, based on 1 Ly = 5,878,625,373,183.61 miles.
How many extrasolar planets are there in Kochab?
Kochab has at least 1 Extrasolar Planetsbelieved to be in orbit around the star. Using the most recent figures given by the 2007 Hipparcos data, the star is 130.94 light years away from Earth. Location
How far away in space could you view Earth with the eye alone?
How far away in space could you view Earth with the eye alone? Considering only brightness, the answer is about 9 billion miles (14 billion km) away, about the distance of Neptune or Pluto.
How much distance does one have to travel to see 50% of planet?
One must travel an infinite distance before 50% of the planet is visible. Any closer and the distance between your eyes will mean that less than 50% is visible – as your eyes are not the diameter of the earth apart, at any real distance it is only possible to approach the 50% boundary.