Last week, American scientists released data indicating that the majority of astronauts who participated in manned flights to the Moon died from severe cardiovascular disease, while this cause of death is much less common among other astronauts. According to researchers, this is a result of the radiation exposure experienced in space. This news has sparked…

From July to late autumn, you can see three bright stars in the southern sky in the evenings. These stars create the most famous constellation in the summer night sky, known as the Great Summer Triangle. The area of the sky where this constellation is located is extremely fascinating. The Summer Triangle intersects with a…

Unlike its terrestrial counterparts, such as Earth, Saturn lacks a solid outer layer. The visible region we perceive as its “surface” actually consists of its cloud cover. Table of Contents Which celestial body is not visible to the naked eye? Which planet is the most visible from Earth? What is the astronomical object that appears…

The vast expanse of the cosmos is far from empty. It is filled with an incredible variety of celestial bodies, each with its own unique characteristics and names. These include meteors, meteorites, comets, bolides, planets, and stars. Within each category, there are further distinctions that may only be discernible to experienced astronomers. In this article,…

In the vast expanse of the ocean, an intriguing event unfolded in 1930. Subramanian Chandrasekar, a young physicist from India who had recently completed his studies at the University of Madras, embarked on a voyage to Europe to pursue further education at Cambridge University. Prior to this remarkable journey, the budding scientist had attended a…

The discussion regarding the proponent of the idea that the Earth possesses a spherical shape persists to this day. There still exist individuals who endeavor to substantiate the notion that the Earth is flat, disregarding even the visual evidence of the globe captured in photographs taken from outer space. Thus, the concept of the Earth’s…

Will an astronaut face gravitational forces while aboard a 10-ton rocket ascending vertically with a thrust force of 98 kN? During the launch, an astronaut inevitably encounters a state of overload. Unfortunately, the technology to ensure a smooth and straight ascent of the rocket has not been developed yet! (It is highly probable that the…

Dawn is the time at which twilight begins before sunrise. In the late summer, dawn breaks over the Mojave Desert in California. Dawn can refer to the start of morning twilight, the period of twilight, or the time of sunrise. At dawn, the horizontal skyline of Kaohsiung, Taiwan is visible. The skyline of Prague is…

The term atmosphere originated from the Ancient Greek words atmos, which means water vapor, and sphaira, which means sphere or ball. Currently, this term is used to describe the gas envelope that surrounds the Earth. The atmosphere is composed of a mechanical mixture of various gases. In a sample of clean and dry air, approximately…

It may appear that exoplanets and relic radiation are essential, and the selection of candidates is evident. However, upon further investigation, we discovered that the Nobel Committee’s choice in Physics was rather peculiar. Relict radiation has greatly influenced our perspective on the development of the cosmos. / CCO Public Domain. The Nobel Committee has recognized…

When we gaze up at the night sky, away from the bright lights of the city, we are greeted by a multitude of shimmering stars. Every person in the northern hemisphere, on a dark night without the presence of the moon, can easily locate the Big Dipper constellation among them. In this constellation, the star…

In today’s world, it has become unfashionable to gaze at the stars and seek to comprehend the principles of celestial mechanics. Unfortunately, we find ourselves preoccupied with the demands of daily life, consumed by social media and endless consumerism. Few individuals truly grasp the magnitude of what exists above us – the Sun, Moon, planets,…

Always visible in the night sky, Queen Cassiopeia is one of the 88 constellations. Its unique shape resembles the letter “W”. Where to find and observe Cassiopeia A diagram illustrating the appearance of the star constellation Cassiopeia. It is possible to observe the star constellation Cassiopeia throughout the year in the mid latitudes of the…

Comet Heyla-Boppa (C/1995 O1) is a comet with a long orbit that gained significant attention in the 20th century, becoming one of the brightest comets in recent decades. It remained visible to the naked eye for a remarkable period of 18 months, surpassing the previous record set by the Great Comet of 1811. [2] Discovered…

If you take a closer look at the night sky, it becomes apparent that the stars gazing back at us exhibit a wide range of colors. Some appear bluish, others white or red, and they can either emit a steady light or twinkle like a festive Christmas tree garland. When observed through a telescope, these…

The current map of the Earth is no longer accurate. Africa is undergoing significant tectonic activity, causing it to crack along its seams. North America has shifted by half a meter, altering its geographical position. The Alps and Mount Everest are experiencing rapid growth, surpassing their previous heights. Additionally, a new island has emerged in…

Astronomy is the specific discipline that investigates the Sun and other celestial bodies, including the planets within our solar system and their moons, exoplanets, asteroids, comets, meteoroids, interplanetary matter, interstellar matter, pulsars, black holes, nebulae, galaxies and their clusters, quasars, and much more. Related topics References in literature Continuation of related topics Observing and detecting…

The early morning of February in 2013 turned into a tragic event for the residents of Chelyabinsk and its surrounding areas. The impact of the fallen meteorite affected a record number of people in the history of Earth’s population. The impact wave shattered windows in numerous buildings, uprooted trees, and caused varying degrees of damage…

The ancient people on Earth observed the stars and created imaginative illustrations, giving them powerful and captivating names. Some of these names include the Andromeda Nebula, the Cassiopeia constellation, the Big Dipper, and Hydra. These names provide insight into the emotions and thoughts that these distant, awe-inspiring celestial bodies evoked. It was believed that the…

The Ursa Minor is a constellation situated in the northern sky and it derives its name from the Latin term “Ursa Minor” which means “lesser bear”. The Ursa Minor constellation made its appearance in the night sky during the second century, all thanks to Ptolemy. It can be easily identified by its popular asterism or…