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.
Upon viewing this instructional video, you will acquire knowledge regarding the Earth’s form and dimensions. You will familiarize yourself with the methodology of triangulation for gauging the length of the meridian arc. Additionally, we will explore the concept of horizontal parallax and angular radius of a celestial object, and discover their utility in ascertaining the…
When it comes to telescopes, there are two important concepts to consider: the maximum useful magnification and the magnification achieved with a specific eyepiece. The maximum useful magnification refers to the optimal level at which the telescope’s optics perform. Going beyond this limit will result in a decrease in image quality. To calculate the maximum…
The individual responsible for discovering the three laws of planetary motion is not associated with scientific work and did not complete a graduate qualification work! This particular type of work is a finalized product of processing, organizing, and formatting the gathered information, which is meant to be used as a resource for independently preparing academic…
A neutron star is a celestial body that formed through the process of stellar evolution and is primarily composed of a dense neutron core surrounded by a relatively thin crust (approximately 1 kilometer thick) made up of heavy atomic nuclei and electrons. The concept of neutron stars was first proposed by astronomers Walter Baade and…
Observatory: Archenhold Observatory Location: Berlin, Germany Lens diameter: 27 inches (70 centimeters) Focal length: 21 meters Year of construction: 1896 This refractor telescope, located at the Archenhold Observatory in Berlin, Germany, boasts a focal length of 21 meters, making it the longest refractor telescope in the world. Interestingly, the weight of its moving parts is…
Our lives consist of numerous moments. We engage in our professions and adore our offspring. We travel to the southern regions and acquire feline companions. We expend our finances on items which, upon closer examination, are entirely unnecessary. However, there is a recurring query that individuals pose: what is the purpose of astronomy, and why…
Even the most practical person cannot help but be captivated when night falls upon the earth, bringing with it a serene and star-filled sky. The map of constellations in the northern hemisphere showcases several intricate celestial formations. However, their true magnificence can only be fully appreciated by gazing up at the sky on a night…
Just a short while ago, during our educational years, we were taught that there are a total of nine planets in our solar system. Six of these celestial bodies have been recognized since ancient times, while Uranus was unveiled in 1784 and Neptune in 1846. Ultimately, in 1930, the last planet, Pluto, was discovered. However,…
On the morning of June 30, 1908, an extraordinary event unfolded above the Podkamennaya Tunguska river basin in Eastern Siberia. A magnificent fireball suddenly materialized and streaked across the sky, followed by an intense burst of light and a series of deafening explosions. One eyewitness even claimed that the heavens themselves seemed to split in…
What is the magnitude of the Moon? In relation to Earth, the Moon is slightly more than a quarter of the size of our planet. The Moon is the most luminous object in our nighttime sky. However, what is the size of the Moon? The Moon has an average radius of 1,079.6 miles (1,737.5 km)…
Currently, there are additional cumulative discounts (ranging from 2% to 25%) that are accessible to 58,750 educational institutions. To determine the applicable discount for all staff members of your educational institution, please log in to your personal Infoworks account. Course for professional development Current problems in labor legislation and labor protection in the field of…
This article delves into the topic of twilight and its associated concepts such as dusk and dawn, the golden hour, mode time, and total darkness. We will explore the distinctions between these terms, their various classifications, and provide guidance on how to accurately determine their timing based on your specific location. Let’s gain a comprehensive…
The celestial equator, represented by the blue circle in the diagram, is formed by extending the Earth’s equator onto the celestial sphere. Similarly, the north and south poles of the Earth also extend onto the celestial sphere. The yellow circle represents the ecliptic, which is the plane of the Earth’s orbit around the Sun. The…
Galaxies are vast systems composed of dust, gas, and countless stars. It is impossible to accurately determine their exact number as there are an estimated 100 billion galaxies in the observable universe alone. While some galaxies bear a striking resemblance to our own Milky Way, there are also unique and distinct variations among them. The…
Gone are the days when people believed the earth was flat and supported by elephants. In ancient times, many scientists and astronomers argued that the earth is spherical and revolves around its axis. Nowadays, this is common knowledge from childhood. But why is our planet still round? To answer this question, we need to take…
The State Duma has received a proposal to reintroduce winter time. The deputies suggest setting the clock back one hour on October 26, 2014, and then keeping the time unchanged regardless of the season. Furthermore, there is a proposal to reinstate the 10 time zones in Russia, as it was prior to August 2011. The…
The pursuit of space exploration is a key focus in the ongoing technological competition among developed nations. These countries aspire to send popular music CDs, tourist shuttles, and even the first human colonizers to Mars (or another potentially habitable planet). As a result, there has been a surge in the number of innovations in the…
The question of whether Venus or Earth is the larger planet can only be answered through mathematical calculations. Even if these two celestial bodies were directly compared, it would not be possible to determine their relative size with the naked eye, as their diameters vary by a mere 5%. Although Venus and Earth share similarities…
The International Space Station (ISS) crosses our path multiple times daily, but it only becomes visible under specific circumstances. The ISS is illuminated by the Sun and, when it passes at a certain distance, it reflects sunlight just like the Moon does. To catch a glimpse of the ISS from Earth, you need to be…
During our previous lesson, we discussed the primary method of studying celestial bodies and phenomena, which is through astronomical observations. It is important to note that ancient astronomers faced numerous challenges as they were limited to observing the night sky with their naked eyes. However, a significant breakthrough in the field of astronomy occurred in…