How many planets are in the universe 2022? Not so long ago, we lived in a universe with only a small number of known planets, all of them orbiting our sun. But a new raft of discoveries marks a scientific high...
Are there 8 or 9 planets? Our solar system is made up of a star—the Sun—eight planets, 146 moons, a bunch of comets, asteroids and space rocks, ice, and several dwarf planets, such as Pluto. The eight planets are Mercury, Venus,...
How many miles is around the universe? The edge of the observable universe is about 270,000,000,000,000,000,000,000 miles away. If you drive at a steady 65 miles per hour, it will take you 480,000,000,000,000,000 — that’s 4.8 × 10¹⁷ — years to...
How long would it take Voyager 1 to reach Andromeda? … and even if we ignored that – it would need 3.3 billion years for the journey at the current distance. How long would it take to walk to Andromeda galaxy?...
How long would it take to reach the speed of light Andromeda? Although it may be one of the closest galaxies to our own, since the Andromeda Galaxy is 2.5 million light years distant it would take 2.5 million years to...
Which Colour star is youngest? Young stars (of blue colour) emit more light than older (redder) stars. However, since there was just about as much light in the young Universe as there is today – although the galaxies are now much...
How do you calculate the age of a star? “It is impossible to determine the age of a single star all by itself. The only real means we have to determine stellar ages is through the study of star clusters. In...
What determines the age and temperature of a star? By measuring both the luminosity of a star, which is its brightness relative to the brightness of our sun, and the color spectrum of the star, which represents the surface temperature of...
Which of the star clusters are youngest? Answer and Explanation: A star cluster whose brightest main sequence stars are white is the youngest. The color of the star shows its age. Which cluster is the youngest and which is the oldest?...
What characteristic of a star is used to determine its age? By measuring both the luminosity of a star, which is its brightness relative to the brightness of our sun, and the color spectrum of the star, which represents the surface...