Comets, asteroids, meteors, and moons
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Comets are balls of ice, gas, and dust that orbit the sun and have four main parts: the nucleus, coma, hydrogen envelope, and tail. Asteroids are large rocky remains from the formation of the solar system, most located in the asteroid belt between Mars and Jupiter. The Earth's moon was likely created from an asteroid impact and orbits the Earth once per month, affecting ocean tides and the Earth's orbit. The moon has eight phases as it revolves around the Earth, from new moon to full moon.
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Between Mars and Jupiter lies the asteroid belt, home to rocky asteroids that orbit the sun. Comets are balls of ice and rocks that develop long tails as they near the sun due to warming and gas release. Meteoroids are small objects that orbit the sun and occasionally collide with celestial bodies like the moon, and meteors are meteoroids that burn up in a planet's atmosphere in a bright streak. Those that reach a planet's surface are called meteorites.
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I can analyze the differences between comets, asteroids, meteors and moons. I will research orbits and discuss differences of what we see from the Earth’s surface (phases). I will analyze the effect the moon’s orbit has on our planet. I will predict what would happen if Earth had a 2nd moon or the distance to the moon was increased or decreased.
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The document provides an overview of the solar system, including information about the sun, planets, and other celestial bodies. It discusses the inner and outer planets, as well as characteristics of specific planets like Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. It also covers moons, asteroids, comets, dwarf planets, and phases of the moon. The summary focuses on key details about the structure of the solar system and different types of objects within it.
Objects in space
Comets are balls of frozen water, dust and gases that develop distinctive tails when heated by the Sun. They have four parts: the solid nucleus at the center, surrounded by a coma of gas and dust, with two tails - one of dust and one made of ionized gases. Asteroids are smaller rocky objects that orbit the Sun, many located in the asteroid belt between Mars and Jupiter. Large asteroids and comets have struck Earth in the past, including one hypothesized to have caused the extinction of the dinosaurs. Meteoroids are space rocks that burn up as meteors in Earth's atmosphere, with larger ones surviving to impact as meteorites. Moons orbit planets and range widely in size, composition and volcanic activity
Objects in space
Comets are balls of frozen water, dust and gases that develop distinctive tails when heated by the Sun. They have four parts: the solid nucleus at the center, surrounded by a coma of gas and dust, with two tails - one of dust and one made of ionized gases. Asteroids are smaller rocky objects that orbit the Sun, many located in the asteroid belt between Mars and Jupiter. Large asteroids and comets have struck Earth in the past, including one hypothesized to have caused the extinction of the dinosaurs. Meteoroids are space rocks that burn up as meteors in Earth's atmosphere, with larger ones surviving to impact as meteorites. Moons orbit planets and range greatly in size, composition and features such
Astronomy unit 2011 SUN EARTH MOON SYSTEM acloutier copyright
The document provides an overview of concepts in astronomy including:
1) It describes Earth's rotation, the moon's effect on Earth, and how this impacts seasons and timekeeping.
2) It explains how the tilt of the Earth's axis and its orbit around the sun cause the seasons and equinoxes and solstices.
3) It discusses technology that has expanded our ability to observe space like telescopes, interferometry, and photography.
Solar system [Raj Jaiswal]
this power point presentation contain all the description about milky way galaxy & solar system with picture & sound...
by just clicking F11 this PPT will start...
What is Solar system? FORMATION OF SOLAR SYSTEM. SOLAR SYSTEM: Structure
The document summarizes the structure and components of the solar system. It describes:
1. The solar system formed from a large rotating cloud of gas and dust called the solar nebula approximately 4.6 billion years ago. As it contracted, the nebula flattened into a disk and kilometer-sized protoplanets began to form.
2. The solar system consists of the Sun and celestial objects bound to it by gravity, including eight planets composed of rock/metal or gas/hydrogen that orbit in nearly circular paths within the ecliptic plane.
3. Most planets have their own moons, and the gas giants have rings composed of tiny particles orbiting them. The solar system can be divided into
THE MOON
The Moon is Earth's natural satellite and orbits our planet in synchronous rotation. It formed over 4 billion years ago when a Mars-sized object collided with Earth, ejecting debris that coalesced into the Moon. The leading theory is the giant impact hypothesis. The Moon has no atmosphere and its landscape and composition differ from Earth's due to the lack of weathering and tectonic activity. Its gravitational pull causes Earth's ocean tides to rise and fall in regular cycles.
. General information about solar system.
The document provides an overview of the solar system, including the sun, eight planets and their characteristics, asteroids, comets, moons, and how the solar system formed and evolved over time. It discusses features of the sun like solar flares and wind, describes objects in the asteroid belt and Kuiper belt, examines moons and their potential for life, and looks at current and future exploration of the solar system.
Ncert universe
The document provides information about celestial bodies like stars, constellations, and planets in our solar system. It discusses how ancient people used constellations like Ursa Major to determine directions. It describes the nine planets in our solar system, with Mercury being the closest to the sun and Pluto being the farthest, along with other objects like asteroids and meteoroids. The sun and these celestial bodies form our solar system. It also briefly mentions Neil Armstrong being the first person to walk on the moon.
Origin of earth
The term "evolution" usually refers to the biological evolution of living things. But the processes by which planets, stars, galaxies, and the universe form and change over time are also types of "evolution." In all of these cases there is change over time, although the processes involved are quite different.
Astronomy- Motion, eclipses, tides, moon
The document discusses planetary motion, eclipses, tides, and phases of the moon. It explains that planets orbit stars in ellipses rather than perfect circles, and that closer planets move faster due to gravity. It describes solar and lunar eclipses, noting that solar eclipses occur when the moon passes between Earth and the sun, while lunar eclipses occur when Earth passes between the sun and moon. It also discusses how the moon's gravity causes ocean tides, with high tide occurring when the moon is overhead or opposite the tide location. Finally, it outlines the phases of the moon as it revolves around Earth.
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