Astronomy

Astronomy is the science of the world we live in. Man has always wanted to know what the sky and the stars hide behind them. Despite the fact that the exact answers to many questions about the universe could not be obtained, this science attracts more and more fans who want to unravel the secrets of the structure of the worlds, the origin of the planets and the movement of space bodies.

Neutron star pulsar

March 17, 2025 Pulsars & Neutron Stars: Cosmic Lighthouses Explained Discover how dying stars give rise to some of the universe's most fascinating objects, from white dwarfs to spinning neutron stars known as pulsars. Trace the bold predictions of L. A. Landau and Ya. Zeldovich, and learn what truly separates a pulsar from a neutron star, a black hole, or a magnetar. A clear guide for anyone curious about stellar deaths and the cosmic remnants they leave behind.

Earth's motion in orbit around the Sun

March 17, 2025 How the Earth Orbits the Sun: Planet Orbital Periods Ever wondered why we never feel our planet racing through space? Discover how the Earth travels around the Sun, why this constant motion stays hidden from us, and how long each planet of the solar system takes to complete its journey. A clear, beginner-friendly guide to orbital movement for curious minds.

Stars

March 17, 2025 How Stars Are Born and Live in the Universe How are stars born, and what unfolds across the vast stretches of their existence? Explore the formation process of the stars in our Milky Way, from the youthful O-associations studied by Viktor Ambartsumyan to the immense timescales—measured in billions of years—that shape stellar history. A journey through the slow, hidden drama playing out across the Universe.

Parade of planets

March 17, 2025 Planetary Parade 2026: Dates, Times & How to Watch Wonder what happens when Mars, Saturn, Mercury, Venus, Jupiter, and Uranus appear to line up across the night sky? Explore the science behind minor and grand planetary alignments, learn how often they occur, and find out which dates to mark for the 2025 and 2026 parades of planets. Whether you're a curious skywatcher or a seasoned astronomy fan, these guides reveal when and how to catch the next celestial spectacle.

Relict radiation from the universe

March 17, 2025 Relic Radiation of the Universe: Cosmic Echo Explained Discover how a faint, mysterious signal led Arno Penzias and Robert Wilson at Bell Telephone to one of cosmology's greatest accidental finds. Learn what relic radiation actually is, why scientists predicted its existence, and how this cosmic microwave background reshaped our understanding of the Universe. A clear, beginner-friendly look at the discovery that opened a window into the early cosmos.

The stars and planets of the universe

March 17, 2025 Stars and Planets of the Universe: A Beginner's Guide Ever wondered what sets a planet apart from a star, or why some lights in the night sky seem to wander while others stay fixed? Discover how the Ancient Greeks named these "wandering stars," learn what comets and meteorites really are, and find out the science behind shooting stars and the famous Sikhote-Alin meteorite. A clear, beginner-friendly guide to the wonders of our Solar System and beyond.

Solar system

March 17, 2025 The Movement of the Solar System: How Planets Orbit Ever wondered how fast our entire planetary neighborhood travels through space? Discover how the Sun races toward the constellation Lyra at hundreds of kilometers per second, dragging Earth, the planets, asteroids, and comets along for the cosmic ride. Explore the fascinating motion of the solar system within the vast Milky Way and beyond.

Evidence of the Earth's rotation

March 17, 2025 How the Foucault Pendulum Proves Earth's Rotation How do we actually know the Earth spins on its axis? In 1851, Léon Foucault answered that question with an elegant pendulum experiment beneath the dome of the Paris Pantheon. Discover how a swinging weight became one of the clearest pieces of evidence for our planet's rotation.

Quasars in the Universe

March 17, 2025 Quasars: Brightest and Most Powerful Objects in the Universe Among the brightest and most powerful objects ever observed, quasars shine across billions of light-years from the distant reaches of the cosmos. Discover how these blazing galactic beacons were first identified, where they are located, and why their staggering energy output continues to fascinate astronomers and students alike.

Copernicus

March 17, 2025 Early Theories About the Universe: How It All Began Explore how humanity's understanding of the cosmos evolved from ancient guesses into genuine scientific theory. Discover how Copernicus proved the Earth orbits the Sun, how Galileo's telescope reshaped astronomy, and how Newton laid the groundwork for the first true hypotheses about the universe. A fascinating journey through the minds and conflicts that defined early astronomy.