Reading 9 grade "Telescopes"

Read the text and choose the correct option

Which of the following statements about constellations is a common misconception?

Looking into space refers to observing and studying celestial objects and phenomena beyond Earth's atmosphere. It involves using telescopes, satellites, and other space-based instruments to gather information and data. The study of space helps us understand our place in the universe and has led to numerous advancements in science, technology, and our understanding of the cosmos.

Constellations are recognisable patterns of stars that have been named and catalogued by ancient cultures. Many cultures have associated stories and myths with constellations, which explain their origin and significance. Some of the most well-known constellations and the stories linked to them include: In Greek mythology, Orion was a great hunter who was placed among the stars after his death. In Greek mythology, Cassiopeia was a vain queen who was punished by being placed upside-down in the sky. In Greek mythology, Scorpius was a giant scorpion sent by the gods to kill the hunter Orion. These stories and myths helped early civilisations to understand and interpret the night sky and to remember the constellations and their patterns over time.

Today, astronomers still study constellations and continue to play an important role in our understanding of the universe. The telescope magnifies distant objects, allowing us to see the details of celestial objects that are otherwise too small or too far away to be seen with the naked eye.

The history of the telescope can be traced back to the early 17th century. Here are some key events in its development: 1608 Hans Lippershey, a Dutch eyeglass maker, applied for a patent for a refracting telescope. Galileo GaMei built his own telescope and used it to observe the night sky, discovering four of Jupiter's moons and observing the phases of Venus, among other things. Telescope design improved with the advent of longer and more powerful refracting telescopes. The largest telescopes of the time were built, including the 100-inch Hooker Telescope at Mount Wilson Observatory.

Radio telescopes were developed, allowing astronomers to study radio emissions from space. 1900s-Present Space-based telescopes, such as the Hubble Space Telescope, were launched, providing images of the universe from outside the Earth's atmosphere. The telescope has played a crucial role in advancing astronomy and our understanding of the universe. Today, telescopes are designed and built with ever-increasing precision and power, allowing us to explore the cosmos like never before.

The James Webb Space Telescope (JWST) is a powerful space observatory launched on December 25, 2021. It is designed to study the universe's earliest galaxies, stars, and planets. JWST is often called the successor to the Hubble Space Telescope but has a much larger infrared mirror (6.5 meters) that helps it see faint, distant objects. Key Features: Infrared vision: It can see through dust clouds and detect ancient light. Location: It orbits at Lagrange Point 2 (L2), 1.5 million kilometres from Earth, providing a stable and cold environment. Main goals: to learn how galaxies form, how stars and planets are born, and to study exoplanet atmospheres for signs of life. JWST has already taken amazing pictures of galaxies, nebulae, and exoplanet atmospheres, changing how we understand the universe.

How did ancient cultures use constellations?

If you were to explain the importance of studying constellations to a friend, what would you say?