Contents Mercury, page 2 Venus, page 3 Earth
... Earth and is somewhat more massive than its near-twin Uranus, which is 15 times the mass of Earth but not as dense. On average, Neptune orbits the Sun at a distance of 30.1 AU, approximately 30 times the Earth–Sun distance. Named for the Roman god of the sea, its astronomical symbol is , a stylized ...
... Earth and is somewhat more massive than its near-twin Uranus, which is 15 times the mass of Earth but not as dense. On average, Neptune orbits the Sun at a distance of 30.1 AU, approximately 30 times the Earth–Sun distance. Named for the Roman god of the sea, its astronomical symbol is , a stylized ...
Investigating the Celestial Sphere
... whilst rotating on its axis the earth also moves along its orbit, meaning it has to turn a little more, to make a full day relative to the sun than it does relative to a distant star. ...
... whilst rotating on its axis the earth also moves along its orbit, meaning it has to turn a little more, to make a full day relative to the sun than it does relative to a distant star. ...
The Planets
... from the sun. (Jupiter, Saturn, Uranus, Neptune) • Outer planets are called the Gas Giants • The outer planets consist mainly of liquid hydrogen and helium and may have a small cores of metal and rock • Outer planets are much larger than the terrestrial planets • Cooler than inner planets • Outer pl ...
... from the sun. (Jupiter, Saturn, Uranus, Neptune) • Outer planets are called the Gas Giants • The outer planets consist mainly of liquid hydrogen and helium and may have a small cores of metal and rock • Outer planets are much larger than the terrestrial planets • Cooler than inner planets • Outer pl ...
How we know the Earth moves - Michael Beeson
... motion of the stars as seen from the Earth. To see this, imagine two stars, A and B, which are in line when viewed from the sun, with A farther away. Then when the Earth is at one side, A will appear to the left of B, and six months later, A will appear to the right of B. As the Earth circles the su ...
... motion of the stars as seen from the Earth. To see this, imagine two stars, A and B, which are in line when viewed from the sun, with A farther away. Then when the Earth is at one side, A will appear to the left of B, and six months later, A will appear to the right of B. As the Earth circles the su ...
7.4 – Universal Gravitation
... system has the same period2/distance3 ratio. If one used exact numbers of orbital period and distance from the sun, the ratio would still be equal to each other. Example: What is the most accurate description of the shape of Mars’ orbit around the sun? Answer: An ellipse Example: Which planet takes ...
... system has the same period2/distance3 ratio. If one used exact numbers of orbital period and distance from the sun, the ratio would still be equal to each other. Example: What is the most accurate description of the shape of Mars’ orbit around the sun? Answer: An ellipse Example: Which planet takes ...
Science 8 Name: Unit 2 Astronomy Date: Period: ______ Class
... so large because it is the closest star to earth. Our sun is only 150,000,000km from earth. The sun’s gravity is the most powerful force in our solar system. It is so strong because the sun’s mass is so large; 99.9% of the mass of the entire solar system is in the sun. Never look directly at the sun ...
... so large because it is the closest star to earth. Our sun is only 150,000,000km from earth. The sun’s gravity is the most powerful force in our solar system. It is so strong because the sun’s mass is so large; 99.9% of the mass of the entire solar system is in the sun. Never look directly at the sun ...
File
... What is the shape of the Earth’s orbit? The Earth completes one revolution around the Sun in 365 ¼ days, this is called a year. The Earth’s path around the Sun is called its orbit. Earth’s orbit is NOT a circle, it’s shape is called an ELLIPSE. An ellipse is like a flattened circle that is longer t ...
... What is the shape of the Earth’s orbit? The Earth completes one revolution around the Sun in 365 ¼ days, this is called a year. The Earth’s path around the Sun is called its orbit. Earth’s orbit is NOT a circle, it’s shape is called an ELLIPSE. An ellipse is like a flattened circle that is longer t ...
Physics 11 Fall 2012 Practice Problems 7 - Solutions
... 2. One of the greatest discoveries in astronomy in the past decade is the detection of planets outside the solar system. Since 1996, more than 100 planets have been detected orbiting stars other than the Sun. While the planets themselves cannot be seen directly, telescopes can detect the small peri ...
... 2. One of the greatest discoveries in astronomy in the past decade is the detection of planets outside the solar system. Since 1996, more than 100 planets have been detected orbiting stars other than the Sun. While the planets themselves cannot be seen directly, telescopes can detect the small peri ...
Word doc - UC-HiPACC - University of California, Santa Cruz
... 847 and counting: that’s the number of planets confirmed as existing around 642 stars within several hundred light-years of our Sun. And more than 2,000 additional detections are awaiting confirmation by follow-up observations. By far, the most potential exoplanets have been found by the NASA spacec ...
... 847 and counting: that’s the number of planets confirmed as existing around 642 stars within several hundred light-years of our Sun. And more than 2,000 additional detections are awaiting confirmation by follow-up observations. By far, the most potential exoplanets have been found by the NASA spacec ...
Astronomy Powerpoint
... Death of Medium-Mass Stars • Stars with masses similar to the sun evolve in essentially the same way as low-mass stars. • During their collapse from red giants to white dwarfs, medium-mass stars are thought to cast off their bloated outer layer, creating an expanding round cloud of gas called plan ...
... Death of Medium-Mass Stars • Stars with masses similar to the sun evolve in essentially the same way as low-mass stars. • During their collapse from red giants to white dwarfs, medium-mass stars are thought to cast off their bloated outer layer, creating an expanding round cloud of gas called plan ...
Powerpoint - Physics and Astronomy
... How did the Solar System Form? We weren't there (it was 5 billion years ago). We need a good theory. We can try to check it against other forming solar systems. What must it explain? - Solar system is very flat. - Almost all moons and planets (and Sun) rotate and revolve in the same direction. - Pl ...
... How did the Solar System Form? We weren't there (it was 5 billion years ago). We need a good theory. We can try to check it against other forming solar systems. What must it explain? - Solar system is very flat. - Almost all moons and planets (and Sun) rotate and revolve in the same direction. - Pl ...
Solar System worksheet
... This is a gas giant that actually spins in its orbit on its side. It is thought that the surface of this planet is so cold that it is made of rock and ice. Average Temperature: -180°C Hours in a Day: 17 SIZE (radius): 25,362km Number of Moons: 27 Neptune This is the smallest of the gas giant planets ...
... This is a gas giant that actually spins in its orbit on its side. It is thought that the surface of this planet is so cold that it is made of rock and ice. Average Temperature: -180°C Hours in a Day: 17 SIZE (radius): 25,362km Number of Moons: 27 Neptune This is the smallest of the gas giant planets ...
The Laws of Planetary Motion
... will travel further and further before returning to earth. Newton reasoned that if the cannon projected the cannon ball with exactly the right velocity, the projectile would travel completely around the Earth, always falling in the gravitational field but never reaching the Earth, which is curving a ...
... will travel further and further before returning to earth. Newton reasoned that if the cannon projected the cannon ball with exactly the right velocity, the projectile would travel completely around the Earth, always falling in the gravitational field but never reaching the Earth, which is curving a ...
Astro 001 Spring 2002
... A. angles to the Sun from locations a measured distance apart. B. angles to the Moon from locations a measured distance apart. C. its angular size and distance from the Sun. D. its orbital speed and distance from the Sun. E. its calculated rotational speed. (19) A minute of arc is A. a measure of ho ...
... A. angles to the Sun from locations a measured distance apart. B. angles to the Moon from locations a measured distance apart. C. its angular size and distance from the Sun. D. its orbital speed and distance from the Sun. E. its calculated rotational speed. (19) A minute of arc is A. a measure of ho ...
Lesson 3: Calculating distances to stars
... parallax angle, which is the angle used in the trigonometric equation, is half the angle the star has been observed to move in six months, for example between winter and summer. The distance between the Earth and the Sun is called an Astronomical unit (AU). Therefore, since we know the distance betw ...
... parallax angle, which is the angle used in the trigonometric equation, is half the angle the star has been observed to move in six months, for example between winter and summer. The distance between the Earth and the Sun is called an Astronomical unit (AU). Therefore, since we know the distance betw ...
The Rotational Period of the Sun (Higher Level)
... calculated by using its spectrum. Stars like the Sun often show strong hydrogen emission lines such as Hα, Hβ and Hγ (below). By measuring the wavelengths of these observed lines and comparing them to their rest wavelengths we can tell whether the part of the Sun we are looking at is redshifted or b ...
... calculated by using its spectrum. Stars like the Sun often show strong hydrogen emission lines such as Hα, Hβ and Hγ (below). By measuring the wavelengths of these observed lines and comparing them to their rest wavelengths we can tell whether the part of the Sun we are looking at is redshifted or b ...
instructor notes: week 5
... caused by hot bubbles of gas at the Sun’s surface. Spicule. A spikey jet of hot gas from the solar chromosphere erupting into the solar corona. Prominence. Huge gaseous eruptions of arching clouds of ionized particles streaming between sunspots of opposite polarity through the corona. Filament. The ...
... caused by hot bubbles of gas at the Sun’s surface. Spicule. A spikey jet of hot gas from the solar chromosphere erupting into the solar corona. Prominence. Huge gaseous eruptions of arching clouds of ionized particles streaming between sunspots of opposite polarity through the corona. Filament. The ...
slides
... historic times: • Day: based on the daily movement of the Sun. • Month: initially based on the 29 day lunar phase cycle ...
... historic times: • Day: based on the daily movement of the Sun. • Month: initially based on the 29 day lunar phase cycle ...
1-A swimmer wants to swim straight across a river with
... The observer is in the stationary frame S. The space ship is moving with a speed of 0.7 c. As this speed remains constant, we treat the space ship as an inertial frame S’. When proton gun is fired away from the stationary observer (i.e. in the direction of motion of the space ship): Speed of protons ...
... The observer is in the stationary frame S. The space ship is moving with a speed of 0.7 c. As this speed remains constant, we treat the space ship as an inertial frame S’. When proton gun is fired away from the stationary observer (i.e. in the direction of motion of the space ship): Speed of protons ...
Guided Notes
... Most Satellites/Moons orbit ______________________ (some orbit dwarf planets or even asteroids) ...
... Most Satellites/Moons orbit ______________________ (some orbit dwarf planets or even asteroids) ...
Scientific Revolution - Kapteyn Astronomical Institute
... corresponding to the six known planets ...
... corresponding to the six known planets ...
