作者：GAHI Said 2 年以前
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The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly. Of the objects that orbit the Sun directly, the largest are the eight planets, with the remainder being smaller objects, the dwarf planets, and small Solar System bodies.
Uranus is an oddball. It has clouds made of hydrogen sulfide, the same chemical that makes rotten eggs smell so foul.
It rotates from east to west like Venus. Its tilt causes extreme seasons that last 20-plus years, and the sun beats down on one pole or the other for 84 Earth-years at a time.
Methane in the atmosphere gives Uranus its blue-green tint. It also has 13 sets of faint rings.
Neptune is about the size of Uranus and is known for supersonic strong winds.
Neptune is far out and cold.
The planet is more than 30 times as far from the sun as Earth.
Neptune was the first planet predicted to exist by using math, before it was visually detected. Neptune is about 17 times as massive as Earth and has a rocky core.
It was once considered a planet but in August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet.”
Pluto is unlike other planets in many respects. It is smaller than Earth's moon; its orbit is highly elliptical.
It's a cold, rocky world with a tenuous atmosphere. Pluto is a very active ice world that's covered in glaciers, mountains of ice water, icy dunes, and possibly even cryovolcanoes that erupt icy lava made of water, methane or ammonia.
QCM 2
Activité 01
Créer un projet
Définir les composants applicatif Android
Vous découvrirez dans cette séance les fonctionnalités et les capacités de la plateforme Android dédiée au développement d'applications mobiles.
Découvrir l'environnement Android
Supports Numérique
Présentation sur Gényaly
Ressources sur internet
Historiques Android
Plateforme Android
Documentation Android
Feed-Back
Sur Evaluation formative
Rétroactive
Durée
2H30
Évaluation
Mode
QCM
QCM 2 Sur Learning Apps
QCM 1 Sur plateforme E-learning Moodle
Ce Quiz vous permet d’évaluer les connaissances sur le développement Android. Connaissances mesurées : Ecosystème Android, Architecture Android, Outils de développement Android.
Activité d'apprentissage
Guide pratique
Activité 02
Learning Apps
Installer Android Studion
Scénario Alternative
Scénario nominal
Installer SDK
Installer JDK
Méthodes pédagogiques
Méthode démonstrative
Méthode collaborative
Objectifs Pédagogiques
Installer les outils de développement Android
Décrire l'Architecture Android
Explorer la liste des systèmes d'exploitation Mobile
Décrire l'écosystème Android
Définir Android
Jupiter is a giant gas world that is the most massive planet in our solar system.
Its swirling clouds are colorful due to different types of trace gases.
And a major feature in its swirling clouds is the Great Red Spot, a giant storm more than 10,000 miles wide. It has raged at more than 400 mph for the last 150 years, at least.
Jupiter has a strong magnetic field, and with 75 moons, it looks a bit like a miniature solar system.
How long does it take for Jupiter to go around the sun?
A planet's day is the time it takes the planet to rotate or spin once on its axis.
Write down Jupiter's day measured in Earth days.
Mars is a cold, desert-like place covered in dust. This dust is made of iron oxides, giving the planet its iconic red hue.
Mars shares similarities with Earth: It is rocky, has mountains, valleys and canyons, and storm systems ranging from localized tornado-like dust devils to planet-engulfing dust storms.
Venus is Earth's twin in size and has no moons.
Its surface has various mountains and volcanoes. Because of its thick, toxic atmosphere that's made of sulfuric acid clouds, Venus is an extreme example of the greenhouse effect. The average temperature on Venus' surface is 900 F (465 C).
Venus spins slowly from east to west, the opposite direction to most of the other planets.
The Greeks believed Venus was two different objects — one in the morning sky and another in the evening. Because it is often brighter than any other object in the sky, Venus has generated many UFO reports.
How long does it take for Venus to go around the sun?
A planet's day is the time it takes the planet to rotate or spin once on its axis.
Write down Venus's day measured in Earth days.
Our Solar System has eight “official” planets which orbit the Sun.
Each planet is at a different distance from the sun. Name its position.
Mercury is the smallest, only a little bit larger than Earth's moon. Mercury has no moon.
It experiences dramatic changes in its day and night temperatures: Day temperatures can reach a scorching 840 F (450 C), which is hot enough to melt lead. Meanwhile, on the night side, temperatures drop to minus 290 F (minus 180 C).
It also has a very thin atmosphere of oxygen, sodium, hydrogen, helium, and potassium and can't break-up incoming meteors, so its surface is pockmarked with craters, just like the moon.
A planet's day is the time it takes the planet to rotate or spin once on its axis.
Write down Mercury's day measured in Earth days.
