What is Zetta Particles? In physics, here’s an example of the Zetta particles… You take a tennis ball. Service hit. Throwing at a speed of 200 km / hour (124 mph). Can you imagine...
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2 Minutes
Earth Rotation Speed, What is the rotational speed of the earth? Why can’t we feel the movement of the Earth?
How Fast is the Earth Rotation Speed? At the equator, the Earth rotation speed is at about 1670 km/hour (1037 mph). It takes 23 hours and 56 minutes (almost a full day) for the...
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3 Minutes
Earth spinning faster and faster, why?
Why is the Earth spinning faster and faster? Scientists have recorded the shortest day since measurements were made. According to the Time And Date site earth spinning faster and faster, which is the reference...
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7 Minutes
Asteroid Spectral Types (Classification, Group, Type)
Asteroid Spectral Types Asteroids are assigned by asteroid spectral types, based on their spectrum, color, and sometimes based on their albedo (a measure of the diffuse reflection of solar radiation). Asteroids are assigned a...
Read More Different kinds of meteorites: chondrites, siderites, pallasites…
Different kinds of meteorites: chondrites, siderites, pallasites… Meteorites are rocks of extraterrestrial origin and there are different kinds of meteorites. They can be very small or weigh several tons. They differ among themselves in...
Read More Golden Asteroid | NASA is relaunching its Psyche mission
The Golden Asteroid NASA is relaunching its Psyche mission: the asteroid which could bring nearly 1.4 billion euros to all Earthlings! 16 Psyche or the golden asteroid is a 140 mile wide or 226...
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5 Minutes
Nasa DART Mission | First time crashed into an asteroid to change its trajectory
Nasa DART Mission | First time diverted the trajectory of an asteroid Nasa DART mission is an unprecedented test mission worthy of a science fiction novel, which should allow humanity to learn how to...
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4 Minutes
Earth Magnetic Field | Nicknamed “earth shield” by Scientists
Earth Magnetic Field, The Invisible Magnetic Field In all space, around and inside the Earth there is a magnetic field. Some natural or man-made phenomena add up and form a total magnetic field, which...
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10 Minutes
Greenhouse Gases | Effects and Types
Greenhouse Gases Greenhouse gases play a crucial role in shaping the Earth’s climate, but their excessive presence is causing significant environmental challenges. In this article, we will explore what greenhouse gases are, their effects...
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8 Minutes
Ptolemy (85 – 165), Mathematician, Geographer, Astronomer and Astrologer
Claudius Ptolemy, Mathematician, Geographer, Astronomer and Astrologer Born in Ptolemais (Upper Egypt), hence his name, this illustrious astronomer and geographer lived in Alexandria. His masterful work, the Mathematical Composition (around the year 150), thirteen...
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12 Minutes
Astronomical coordinate systems: horizontal, equatorial, ecliptic, galactic and supergalactic
Celestial coordinate system has the function of determining a position in the sky. Horizontal system: centered on the observer, separates the sky into two hemispheres...
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14 Minutes
Ecological Actions to Protect Our Environment
Daily Ecological Actions We often forget that the simplest daily ecological actions are sometimes the most effective for sustainable development. It is indeed the individual awareness of this inescapable requirement that will allow us...
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4 Minutes
Who Was James Webb, the NASA administrator after whom the space telescope was named?
In the 1960s, the administrator of the American space agency was actively involved in the success of the Apollo mission, but his legacy is controversial. Who was James Webb?...
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8 Minutes
Webb Telescope | Space Optical Instrument and The most powerful space observatory ever built
The James Webb Telescope is the most complex and powerful space observatory ever built. The Webb Telescope is the result of a collaboration between NASA, the European Space Agency and the Canadian Space Agency....
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6 Minutes
Astrophysics | Definition and Explanations
Astrophysics (from the Greek aster: star, celestial body and physis: natural science, physics) is an interdisciplinary branch of astronomy, based on physics and chemistry, which initially consisted essentially in measuring and explaining the movements...
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2 Minutes
Wan Hu, Ming Dynasty Astronaut | The story of the conquest of outer space
Wan Hu, a high rank official, Chinese born in the 16th century, is known to be the first person to die from space flight. His goal was to go to the Moon and to...
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7 Minutes
Earth Science (geoscience) | Fields and Limitations
Geoscience or Earth Science integrate everything related to the Earth system, from its core to its atmosphere. They study the structure, evolution and dynamics of our planet, as well as the processes (physical and...
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5 Minutes
Geology is the study of the parts of the Earth | Definition, Explanation and Different Related Disciplines and Fields
Geology is a science that consists of studying the parts of the Earth accessible to observation and developing hypotheses that make it possible to reconstruct their history and explain their layout....
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