Trivia – Page 2 – AstroDidactics

Trivia 7

From the illustration in Trivia 6, you must have gotten the idea that all what we see, is above the horizon. Wherever you live, you have your own horizon. Imagine a person 1.7 m tall, lying somewhere on the Earth that has a circumference length of 40,074 kilometers. That person has covered a surface ofContinue reading “Trivia 7”

Trivia 6

We can only see above the horizon, day or night. During the night sky observation, we see the stars above our horizon. Let us define some terms, for those of you who want to get oriented in the sky, and are doing it for the first time. With the help of a compass, you canContinue reading “Trivia 6”

Trivia 5

Constellations are patterns of stars that can be recognized in the sky. Surely you are acquainted with the constellations of the zodiac, the ones that appear in the ecliptic: Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, Sagittarius, Capricornus, and Aquarius. This 12 constellations were recognized in the nocturnal sky since ancient times, andContinue reading “Trivia 5”

Trivia 4

THE SOLAR SYSTEM -BASIC There are many stars in the universe that host planets; those are also solar systems like the one in which we dwell, some with more, and some with less planets revolving around the star. That does not mean that we have found life in those planets found around other stars, becauseContinue reading “Trivia 4”

Trivia 3

As we commonly know, rocks are classified as igneous rocks, metamorphic rocks, and sedimentary rocks. Igneous rocks are rocks that have been melted, and are formed when a hot molten rock cools, from magma. These rocks melt in the upper mantle of the Earth and below the crust. The igneous rocks are rich in mineralsContinue reading “Trivia 3”

Trivia 2

Have you ever thought about the reason why, when we have in the northern countries, like in the USA and Canada, and the countries in Europe, cold winter season, and in South America, like in Argentina and Chile during the same time a warm summer? First, we need to remove the idea that it isContinue reading “Trivia 2”

Trivia 1

The states of matter depend on how the average distance between their molecules is compared with the size of the molecules themselves. In a gas, the molecules are separated in average by distances much larger than the molecules sizes. There are, as we know, substances in solid state at normal temperature and pressure. Their moleculesContinue reading “Trivia 1”