1. Where would the north celestial pole be located in the sky if you stood at the North Pole? A. 32.5 degrees above the northern horizon B. directly at your northern horizon C. 23.5 degrees above the northern horizon D. 57.5 degrees above the northern horizon E. directly over your head at your zenith 2. Where would the north celestial pole be located in the sky if you were standing in San Diego (San Diego’s latitude is 32.5 degrees above the equator? A. 32.5 degrees above the northern horizon B. directly at your northern horizon C. 57.5 degrees above the northern horizon D. directly over your head at your zenith E. 23.5 degrees above the northern horizon
Stellar evolution
We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.
Red Shift
It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.
Question 1)
If I stood at the north pole, The celestial pole will also be at above my head at Zenith.
Option E is correct.
E. directly over your head at your zenith.
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