Explore the Universe: Your Guide to Astronomy

Instructions for completing a science journal for 1st grade students. The science journal for first grade is meant to be used throughout the entire year. It begins in the autumn, continues through the winter and spring, and concludes in the summer. It is important to remember this and diligently complete the journal assignments. When filling…

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History of astronomy EXTEREGALACTIC ASTRONOMY is a field of study within astronomy that focuses on objects and phenomena that exist beyond our own galaxy. These objects primarily consist of distant star-gas systems, known as galaxies, which share similar characteristics to our own galaxy but are located at distances ranging from hundreds of thousands to billions…

The issue of determining the distance between the Moon and the Earth has been resolved for a long time. In ancient times, it was a matter of debate as science did not provide a clear answer. However, it is now known that the Moon is not larger than the Earth. This article provides valuable information…

The Earth revolves around its own axis in a counterclockwise direction (when viewed from the North Pole). The axis is an imaginary line that passes through the North and South Poles, with the poles themselves being stationary and not participating in the rotation. Meanwhile, all other points on the Earth’s surface are in motion, with…

Orion, the renowned hunter from ancient Greek mythology, is widely recognized for his exceptional skills and accomplishments. He is often depicted as a magnificent giant who possessed the ability to overcome any creature. Despite being the son of a legendary deity, Orion’s relationship with the gods was far from harmonious. As history has shown, even…

The moon is a natural satellite that orbits around the Earth. It is the Earth’s only natural satellite and is the fifth-largest moon in the Solar System. The moon is approximately 238,855 miles away from Earth and has a diameter of about 2,159 miles. It takes about 27.3 days for the moon to complete one…

The concept of the movement of the hour hands appears logical and comprehensible, as we have been exposed to various clock faces since our early years, without ever questioning the rationale behind their direction or the functioning of clocks in general. It may appear that the decision to move the clock’s hands was possibly based…

Planet earth stands out among the other celestial bodies in our solar system. It is not the smallest nor the largest; it holds the fifth position in terms of size. When compared to other planets in the Earth group, it surpasses them in mass, diameter, and density. Since the Earth is located in outer space,…

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Since ancient times, humans have been curious about what lies beyond our reach, high above our heads. As time went on, our understanding of the universe expanded, leading to even more questions. The earliest recorded speculations about the Earth’s rotation by modern historians can be traced back to the 5th century BC. Numerous astronomers and…

The phenomenon known as a meteor shower is considered to be one of the most captivating and fascinating cosmic events. Numerous stargazers tend to mistake these shooting stars for actual stars when they spot them in the night sky. It’s a sight that never fails to astonish adults and even inspire children to make a…

Mercury is the tiniest planet in our solar system. It is categorized as one of the terrestrial planets, and its physical characteristics bear a striking resemblance to that of the Moon. Exploring Mercury The specific date of Mercury’s discovery remains uncertain, as the Sumerians had knowledge of the planet as early as 3000 BC. Babylonian…

The starry sky was once used as a navigational tool for travelers. Ancient people created patterns out of the brightest stars and assigned them names based on Greek mythology, animals, and objects. As new stars were discovered, the boundaries of these constellations were adjusted. However, in 1935, astronomers made the decision to no longer revise…

The age of the Milky Way is estimated to be around 13 billion years. Some of the oldest stars in our galaxy were formed shortly after the birth of the Universe. Despite the vast amount of time that has passed, our civilization is the only one known to have reached a technologically advanced stage. Considering…

The solar system As of 2005, according to the official account, the solar system consists of 8 planets. However, Pluto, which is classified as a dwarf planet, was excluded from this list. This decision was made due to its relatively low mass, which prevents it from maintaining sufficient gravity and a spherical shape. In this…

Curious about the brightest stars visible in the night sky? Discover our list of the top 10 most brilliant celestial bodies that can be easily observed with the naked eye. But before we delve into that, let’s take a brief journey through history. An overview of stellar magnitude throughout time Around 120 years before Christ,…

The origins of astronomy can be traced back to ancient times, making it one of the oldest scientific disciplines. An important practical aspect of this field of study was its ability to assist with navigation and orientation. Astronomy and astrology As far back as the Middle Ages and Ancient Egypt around 4 thousand BC, people…

The spiral galaxy (abbreviated as S) is one of the primary forms of galaxies, a category of galaxies in the Hubble sequence that possesses the following physical characteristics: * notable overall rotational momentum; * composed of a central bulge (a nearly spherical thickening) encompassed by a disk: * the bulge bears a similarity to an…

The term “Galaxy” (also known as “Milky Way”) originates from the Greek word Γαλαξίας which is derived from the word γάλα – referring to milk. As per Greek mythology, Zeus decided to create his son from a mortal woman. The composition of the Galaxy [ ] The Galaxy is approximately 30,000 parsecs in diameter (around…