Experience the wonders of space with our comprehensive astronomy website. From stunning images captured by telescopes to informative articles on celestial phenomena, join us as we unravel the mysteries of our vast universe.
By the end of the 16th century, astronomy faced a dilemma between Ptolemy’s geocentric system and Copernicus’ heliocentric system. Critics of the Copernican system argued that it was not any more accurate than Ptolemy’s system in terms of calculation errors. It should be noted that in the Copernican model, planets were assumed to move uniformly…
The Moon is the biggest celestial body in the night sky. The ancient Greeks were able to estimate the rough size of the Moon. The Moon is the fifth largest natural satellite in our Solar System, coming after the three satellites of Jupiter and one satellite of Saturn in terms of size. The Moon is…
In just the last week, our understanding of the solar system has greatly expanded. Pluto has transformed from a mere speck of light into an entirely novel planet. Here, we showcase a compilation of the most significant findings uncovered by the New Horizons probe. How far is Pluto from Earth? This gif illustrates the evolution…
Currently, there are additional cumulative discounts (ranging from 2% to 25%) available for 58,747 educational institutions. In order to determine the specific discount applicable to all staff members of your educational institution, please log into your personal Infoworks account. Advanced training program Principles, techniques, and application of teaching elementary school students the fundamentals of chess…
Nebulae are vast accumulations of dust and gases in the vastness of outer space that serve as a fertile environment for the emergence of fresh stars. Certain nebulae are the result of a star’s demise. Once they have completed their life cycle, certain stars go supernova, expelling enormous clouds of dust and gases into the…
When you look up at the sky, you will find the constellation Libra positioned between Scorpio and Virgo. These constellations are part of the zodiacal circle. Libra also shares its celestial neighborhood with the Wolf, Hydra, Serpent, Centaurus, and the head of the Serpent.It is interesting to note that Libra is quite visible in the…
Figure 1: The winter constellations and the region where the stars do not set in the sky over Chelyabinsk. This presented map illustrates the night sky with its current configuration based on the specified time and geographic coordinates. It also provides the ability to adjust both the date and coordinates to get accurate results. The…
When the sky turns dark and the stars start to shine, you can see either a crescent-shaped month or a full round moon, indicating that night has arrived. Even though we are aware that the moon and the month are essentially the same celestial body, it is intriguing to contemplate whether there are any distinctions…
How long will it take for the Earth’s core to “run out of fuel”? Experts suggest that the temperature of the Earth’s core is even higher than the temperature of the Sun’s surface, reaching up to 10,000°C. Located beneath the Earth’s crust, there exists an extremely hot region with soaring temperatures – the Earth’s core….
It was 65 years ago, precisely on October 4, 1957, when the USSR took the lead in launching the first ever man-made satellite into Earth’s orbit. This groundbreaking achievement not only marked the dawn of the space age, but also triggered a fierce competition for space supremacy between the Soviet Union and the United States….
Space is a vast and fascinating place! Not every grown-up fully comprehends the enormity of this idea, let alone children. Let’s attempt to explain space to children in a clear and captivating way. If we succeed, there is a chance that the child will not only be temporarily interested in astronomy, but will develop a…
The mysteries and unknowns of space have always been enticing. Throughout the centuries, people have sought to unravel its secrets. With the advancement of the space industry, the exploration of the solar system and distant galaxies has reached new heights. While much remains unexplored and beyond our comprehension, the future holds endless possibilities. In this…
The Lunar Dream Calendar for August 18, 2023 provides insight into the meaning of dreams based on the moon phase and the Zodiac sign in which the “night luminary” is located. To interpret dreams on other nights, consult the general lunar dream calendar for August 2023, and for more detailed meanings, refer to the online…
The majority of entities in the Cosmos experience their own life cycle. Indeed, stars are no exception to this rule. They, too, come into existence and eventually perish, much like other celestial bodies. However, the trajectory of a star’s life, which encompasses the successive transformations it undergoes, is incredibly lengthy. Below, we shall exclusively examine…
A celestial coordinate system is utilized to determine the precise location of a celestial body. These systems, known as the ecliptic coordinate system or equatorial coordinate system, are constructed based on specific circles of the celestial sphere. In contrast, the geographic coordinate system is employed to determine coordinates on the Earth’s surface. Let’s explore each…
Arcturus, which is both bright and beautiful, is known as the guardian of the Big and Little Dipper! This star, with its red or orange color, is believed to have originated from a distant galaxy that collided with the Milky Way during its journey! Arcturus is the brightest star in the Volopassus constellation and the…
The Earth, which is approximately 4.54 billion years old, has undergone significant changes throughout its history. In fact, the planet we know today is vastly different from what it used to be. Even when compared to the most extraordinary planets found beyond our solar system, the Earth’s past holds a remarkable level of intrigue. To…
Analyze the illustration on the left side of page 58. Recall the constellations associated with the stars Regulus and Sirius. Compare the size and color of the depicted stars. Sirius is part of the constellation known as the Big Dog. Regulus, on the other hand, belongs to the constellation Leo. Regulus is larger in size…
Spotting the Cancer constellation in the night sky can be a challenging task since it consists of only a handful of dim stars. However, there is no reason to disregard this particular constellation: it contains unique celestial entities that pique curiosity. For instance, are you interested in discovering the distance one must traverse to reach…
Throughout history, humanity has gazed up at the heavens and yearned to take flight. As civilization advanced, the dream of exploring beyond our planet became a reality. There may not be a plethora of professions associated with space, but those that do exist are crucial and invaluable, enabling us to gain a deeper understanding of…