Dark Matter and Dark Energy Astronomical data and the latest observations in cosmology show that 95% of the energy density of the universe is in the dark sector consisting of dark matter, unidentified forms...
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7 Minutes
5 Minutes
Cosmic Rays Threaten Electronics Users
Cosmic rays threatening electronics user Cosmic rays, a threat to electronics Due to their miniaturization, electronic components are increasingly exposed to cosmic radiation. From outer space to cars, the alert is growing. Why do...
Read More Effects of cosmic rays on living things
The effects of cosmic rays on living things Life on Earth was made possible thanks to the atmosphere and the Earth’s magnetic field, in fact, without these two elements, the earth’s soil would be...
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16 Minutes
Cosmic Rays | Let’s talk about science
What are Cosmic Rays? Cosmic rays are subatomic particles that come from outer space and that have high energy due to their high speed. They were discovered when it was found that the electrical...
Read More Zetta Particles – Definition and Explanations of Ultra high energy cosmic rays
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...
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7 Minutes
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...
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2 Minutes
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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