# Astronomer {% hint style="info" %} Objective: - Demonstrate the interest and skill in astronomy, and about the stars & planets and how they are scientifically observed {% endhint %} ![](/files/-MYfqPT9-5SAF8u--vy1) 1. Demonstrate with diagrams, drawings or models, a general knowledge of the nature of the stars and planets, and their apparent and actual movements. Understand the cause of the seasons, eclipses, etc. 2. Be able to describe in generally the bodies of the Solar system, Sun, Moon, (With an explanation of its phases) Planets, Satellites, Comets, Meteoroids, and minor Planets. 3. Recognize the main constellations that can be seen to the naked eye from Sri Lanka. 4. Understand the principles of telescope, and spectroscopes. Discuss the work carried in an observatory. Have a basic understanding of the world’s leading observatories. 5. Keep an observer’s diary for a period of not less than two months, with a planned progamme included, such as, estimating the magnitude of a variable star, estimating time from the apparent movement of the constellations. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://badges.prepscouts.lk/senior-scouts/explorer-group-h/explorer-group/astronomer.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.