The telescope and CCD camera described in question 2 are scheduled to observe the star cluster M67 at 22:00 GMT on 02/03/2022. Using Stellarium, determine whether or not this is a good time to observe the cluster. Choose the answer below that best matches your conclusions. a. No - the cluster is not visible from London at this date and time. b. The cluster is visible but the full Moon is close by and so will interfere with the observations. c. The cluster is visible but is very close to the horizon and so will be difficult to observe. d. The cluster M67 is never visible in the sky from London so we should abandon any plans to observe it. O e. Yes this is a good time to observe the cluster as it is well placed in the sky for viewing and the moon is not visible.
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.
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