Crew Dragon The Crew Dragon (Dragon 2) is a space vehicle developed by the company SpaceX on behalf of the American space agency, NASA, which since 2020 has been taking over the crews of...
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6 Minutes
10 Minutes
Mercury | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Mercury Mercury is the closest planet to the Sun and the least massive in the Solar System. Its distance from the Sun is between 0.31 and 0.47 astronomical units (i.e. 46 and 70...
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22 Minutes
Mars | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Mars Mars is the fourth planet in increasing order of distance from the Sun and the second in increasing order of size and mass. Its distance from the Sun is between 1.381 and...
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14 Minutes
Venus | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Venus Venus is the second planet in the Solar System in order of distance from the Sun, and the 6th largest in both mass and diameter. It owes its name to the Roman...
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19 Minutes
Earth | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Earth Earth is the third planet in order of distance from the Sun and the fifth largest in the Solar System in terms of both mass and diameter. Moreover, it is the only...
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13 Minutes
Neptune | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Neptune Neptune is the eighth planet in order of distance from the Sun and the farthest known from the Solar System. It orbits the Sun at a distance of about 30.1 AU (4.5...
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9 Minutes
Uranus | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Uranus Uranus is the seventh planet in the Solar System in order of distance from the Sun. It orbits around it at a distance of about 19.2 astronomical units (2.87 billion kilometers), with...
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13 Minutes
Saturn | Planet’s characteristics, distance to Earth, color, composition, peculiarity
Planet Saturn Saturn is a gigantic frozen ball of gas, surrounded by rings spinning at breakneck speed. A true gem of the solar system and often referred to as “The Lord of the Rings”,...
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12 Minutes
Planet Jupiter | characteristics, distance to Earth, color, composition, peculiarity
Planet Jupiter Jupiter is a giant gas planet. It is the largest planet in the Solar System, larger and more massive than all the other planets combined, and the fifth planet by its distance...
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8 Minutes
Planets by Size | Order of Planets from Biggest to Smallest
Classification of Planets by Size From Biggest to Smallest The solar system has 8 planets, each of them is sorted in this classification planets by size according to its diameter in kilometers and miles,...
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4 Minutes
Solar System a World Full of Surprises | Composition, Formation and Evolution
Solar system: what is it? We call the Solar System, all the stars subject to the Sun’s gravitational field (our star alone represents 99.8% of the total mass of the Solar System!). The Solar...
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24 Minutes
Anxiety | symptoms, causes, treatments and prevention
Anxiety Anxiety is a normal reaction that turns into an illness when it occurs when no event really warrants it. We then speak of anxiety disorders, incompatible with everyday life. While it is normal...
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27 Minutes
Cholesterol (excess) – symptoms, causes, treatments, levels, foods, warning, dietary supplements
Cholesterol Cholesterol is a fatty substance made by our bodies and which is also found in our food. It is essential for the synthesis of many hormones, but also for the structure of the...
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13 Minutes
Chernobyl (Ukraine) History and Disaster of Nuclear Contamination
Chernobyl (Tchernobyl) Chernobyl is a city in Kiev Oblast, Ukraine. It is located 96 km north of Kiev. The city of Chernobyl is known for the disaster at the Chernobyl nuclear power plant, although this...
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21 Minutes
Submarine | History and List of submarine incidents since 2000
Submarine A submarine is a submersible vessel that moves in three dimensions, on the surface and underwater. Invented for the first time in 1624 by Cornelis Drebbel. A submarine is a submersible vessel capable...
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46 Minutes
Cervical Cancer | Symptoms, Stages, Types, Diagnoses, Chances of Surviving, Treatments
What is cervical cancer? Cervical cancer starts in cells of the cervix. Cancerous (malignant) tumor is a group of cancer cells that can invade and destroy nearby tissue. The tumor can also spread (metastasize)...
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40 Minutes
Bladder Cancer | Symptoms, Stages, Types, Diagnoses, Chances of Surviving, Treatments
What is bladder cancer? Bladder cancer starts in the cells of the bladder. Cancerous (malignant) tumor is a group of cancer cells that can invade and destroy nearby tissue. The tumor can also spread...
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89 Minutes
Lymphoma Hodgkin and Non Hodgkin | Symptoms, Stages, Types, Diagnoses, Chances of Surviving, Treatments
Lymphoma Lymph node cancer, also known as lymphoma, is a type of cancer that originates in the lymphatic system. Lymphoma is group of blood cancers. Lymphoma is cancer of the lymphatic system at the...
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