Light Years Away
... 6. The Oort cloud, is a spherical cloud of ______ situated about 50,000 AU from the Sun. A. Comets B. Asteroids C. Meteors D. Stars ...
... 6. The Oort cloud, is a spherical cloud of ______ situated about 50,000 AU from the Sun. A. Comets B. Asteroids C. Meteors D. Stars ...
Essay One - Physics & Astronomy
... A day measured by the slight shift of the stars positions from one evening to the next. This is roughly 23h, 56min. the Solar Day is approximately 4min. longer than the sidereal day. ...
... A day measured by the slight shift of the stars positions from one evening to the next. This is roughly 23h, 56min. the Solar Day is approximately 4min. longer than the sidereal day. ...
Astronomy from the ancients to the Renaissance
... notion of the “harmony of the spheres”. Philolaus (ca. 470-385 BC) – first to advocate that the Earth was in motion around a “central fire” ...
... notion of the “harmony of the spheres”. Philolaus (ca. 470-385 BC) – first to advocate that the Earth was in motion around a “central fire” ...
3observing3s
... Equator -Tropic of Capricorn -- 23 1/2 degrees south of the equator, Sun overhead on ...
... Equator -Tropic of Capricorn -- 23 1/2 degrees south of the equator, Sun overhead on ...
The Sky from Your Point of View
... Best telescopes usually scheduled months in advance: • must be able to predict when an object will be up • light from Sun, Moon should not interfere ...
... Best telescopes usually scheduled months in advance: • must be able to predict when an object will be up • light from Sun, Moon should not interfere ...
Day-6
... Circumpolar Star: A star which stays above the horizon at all times at the observers location. Zenith: The point directly overhead, 90° from all horizons (assuming they are flat). It does NOT have an azimuth associated with it. Nadir: The point directly under your feet, opposite the zenith Altitude: ...
... Circumpolar Star: A star which stays above the horizon at all times at the observers location. Zenith: The point directly overhead, 90° from all horizons (assuming they are flat). It does NOT have an azimuth associated with it. Nadir: The point directly under your feet, opposite the zenith Altitude: ...
UNIT 4 STUDY GUIDE Objectives
... How does the sun create its energy? Explain how it works and where it occurs. Name & describe the three layers of the sun’s interior? (inner to outer) Name & describe the three layers of the sun’s atmosphere? (inner to outer layers) Name and define the four features found on the sun. Name the inner ...
... How does the sun create its energy? Explain how it works and where it occurs. Name & describe the three layers of the sun’s interior? (inner to outer) Name & describe the three layers of the sun’s atmosphere? (inner to outer layers) Name and define the four features found on the sun. Name the inner ...
Planetarium Key Points
... Latitude is the elevation of the visible pole and, roughly, of Polaris The motion of the sphere seems uniform, for this reason it was the source for time telling, but the time scale that comes from is NOT uniform: rotation is slowing down, the day is longer and longer at the rate of 2 ms a centu ...
... Latitude is the elevation of the visible pole and, roughly, of Polaris The motion of the sphere seems uniform, for this reason it was the source for time telling, but the time scale that comes from is NOT uniform: rotation is slowing down, the day is longer and longer at the rate of 2 ms a centu ...
May 2016 night sky chart
... For Darwin and similar locations the chart will still apply, but some stars will be lost off the southern edge while extra stars will be visible to the north. Stars down to a brightness or magnitude limit of 4.5 are shown on the star chart. To use this star chart, rotate the chart so that the direct ...
... For Darwin and similar locations the chart will still apply, but some stars will be lost off the southern edge while extra stars will be visible to the north. Stars down to a brightness or magnitude limit of 4.5 are shown on the star chart. To use this star chart, rotate the chart so that the direct ...
Astronomy PPT
... Positions in the sky Stars appear to be fixed on a spherical shell (the celestial sphere) that surrounds Earth Equatorial system of location • A coordinate system that divides the celestial sphere • Similar to the latitude-longitude system that is used on Earth's surface ...
... Positions in the sky Stars appear to be fixed on a spherical shell (the celestial sphere) that surrounds Earth Equatorial system of location • A coordinate system that divides the celestial sphere • Similar to the latitude-longitude system that is used on Earth's surface ...
Volcanoes and Igneous Activity Earth - Chapter 4
... Positions in the sky Stars appear to be fixed on a spherical shell (the celestial sphere) that surrounds Earth Equatorial system of location • A coordinate system that divides the celestial sphere • Similar to the latitude-longitude system that is used on Earth's surface ...
... Positions in the sky Stars appear to be fixed on a spherical shell (the celestial sphere) that surrounds Earth Equatorial system of location • A coordinate system that divides the celestial sphere • Similar to the latitude-longitude system that is used on Earth's surface ...
SECTION 8: STARS- OBSERVING CONSTELLATIONS INTRODUCTION
... A light year is a unit of measure for distance in space and equals the distance light travels in 1 year. Light travels 300,000 km (186,000 miles) per second. It takes 8 ½ minutes for light to reach us from our Sun and 4.5 light years for light to reach us from the next closest star, Centauri Proxima ...
... A light year is a unit of measure for distance in space and equals the distance light travels in 1 year. Light travels 300,000 km (186,000 miles) per second. It takes 8 ½ minutes for light to reach us from our Sun and 4.5 light years for light to reach us from the next closest star, Centauri Proxima ...
Document
... – Wait a while and “your” star will rise – Bummer: if you have to wait too long, the Sun will rise, too, and outshine your star. ...
... – Wait a while and “your” star will rise – Bummer: if you have to wait too long, the Sun will rise, too, and outshine your star. ...
The Milky Way
... • Those monuments were probably used as calendars or even to predict eclipses. ...
... • Those monuments were probably used as calendars or even to predict eclipses. ...
THE CELESTIAL SPHERE
... Due to rotation of the earth, the entire celestial sphere appears to rotate around the earth, once in about 24 hours. There are two points on the sphere, which do not move – they are the celestial north and south poles. If we extend the axis of the earth to meet the celestial sphere, it would cut th ...
... Due to rotation of the earth, the entire celestial sphere appears to rotate around the earth, once in about 24 hours. There are two points on the sphere, which do not move – they are the celestial north and south poles. If we extend the axis of the earth to meet the celestial sphere, it would cut th ...
Engineering the Heavens
... had no scientific proof that the earth orbits the sun. Indeed, he was incorrect in sticking to the Aristotelian concept that planets followed perfectly circular orbits centered on the sun. Over the next 180 years, Johannes Kepler derived three mathematical laws that described planetary orbits as ell ...
... had no scientific proof that the earth orbits the sun. Indeed, he was incorrect in sticking to the Aristotelian concept that planets followed perfectly circular orbits centered on the sun. Over the next 180 years, Johannes Kepler derived three mathematical laws that described planetary orbits as ell ...
Document
... • Made systematic measurements as early as ~2000 BC • By ~ 800–400 BC – State support for the calendar and astrology – Compiled the first star catalogs and began longterm records of planetary motions – Were able to predict lunar and solar eclipses ...
... • Made systematic measurements as early as ~2000 BC • By ~ 800–400 BC – State support for the calendar and astrology – Compiled the first star catalogs and began longterm records of planetary motions – Were able to predict lunar and solar eclipses ...
Stars and The Universe
... at http://sunearth.gsfc.nasa.gov/eclipse/OH/OH2005.html. Note specifically what did/will observers here in the SF Bay Area see of each eclipse? Whey did we see (or not see) the eclipses? How long did the eclipses last? What do you noticed about the interval between the solar and lunar eclipses durin ...
... at http://sunearth.gsfc.nasa.gov/eclipse/OH/OH2005.html. Note specifically what did/will observers here in the SF Bay Area see of each eclipse? Whey did we see (or not see) the eclipses? How long did the eclipses last? What do you noticed about the interval between the solar and lunar eclipses durin ...
Volume XXVI - Royal Asiatic Society
... [page 8] Chosen 朝鮮 which means, “It received the sunlight earlier than the others.” Pi-sa 秘詞 an astronomical or astrological work was written in 2247 B. C. by Sin Chi 神誌, who may be styled the first astronomer of Chosen. This work is listed in the Mun-hon-pi-go 文獻備考 1908, Book 246, p. 29, with some ...
... [page 8] Chosen 朝鮮 which means, “It received the sunlight earlier than the others.” Pi-sa 秘詞 an astronomical or astrological work was written in 2247 B. C. by Sin Chi 神誌, who may be styled the first astronomer of Chosen. This work is listed in the Mun-hon-pi-go 文獻備考 1908, Book 246, p. 29, with some ...
The Milky Way
... • Those monuments were probably used as calendars or even to predict eclipses. ...
... • Those monuments were probably used as calendars or even to predict eclipses. ...
29 Jan: Maps of the Sky
... for 2010: 221,600 miles or 356,600 km, 7 % less than its average distance. This will make the full Moon appear slightly larger than usual. “ ...
... for 2010: 221,600 miles or 356,600 km, 7 % less than its average distance. This will make the full Moon appear slightly larger than usual. “ ...
friends of the planetarium newsletter
... among astronomers for many years. It is one of the largest asteroids in the solar system and has a strange spectrum of reflected light that doesn't look quite like any other asteroid. This photo was taken at closest approach, just over 3000 km. When the opportunity presented itself for Rosetta to pa ...
... among astronomers for many years. It is one of the largest asteroids in the solar system and has a strange spectrum of reflected light that doesn't look quite like any other asteroid. This photo was taken at closest approach, just over 3000 km. When the opportunity presented itself for Rosetta to pa ...
Chinese astronomy
Astronomy in China has a very long history, with historians indicating that the Chinese were the most persistent and accurate observers of celestial phenomena anywhere in the world before the Arabs. Star names later categorized in the twenty-eight mansions have been found on oracle bones unearthed at Anyang, dating back to the middle Shang Dynasty (Chinese Bronze Age), and the mansion (xiù:宿) system's nucleus seems to have taken shape by the time of the ruler Wu Ding (1339-1281 BC).Detailed records of astronomical observations began during the Warring States period (fourth century BC) and flourished from the Han period onward. Chinese astronomy was equatorial, centered as it was on close observation of circumpolar stars, and was based on different principles from those prevailing in traditional Western astronomy, where heliacal risings and settings of zodiac constellations formed the basic ecliptic framework.Some elements of Indian astronomy reached China with the expansion of Buddhism after the Eastern Han Dynasty (25–220 AD), but the most detailed incorporation of Indian astronomical thought occurred during the Tang Dynasty (618-907), when numerous Indian astronomers took up residence in the Chinese capital, and Chinese scholars, such as the great Tantric Buddhist monk and mathematician Yi Xing, mastered its system. Islamic astronomers collaborated closely with their Chinese colleagues during the Yuan Dynasty, and, after a period of relative decline during the Ming Dynasty, astronomy was revitalized under the stimulus of Western cosmology and technology after the Jesuits established their missions. The telescope was introduced in the seventeenth century. In 1669, the Peking observatory was completely redesigned and refitted under the direction of Ferdinand Verbiest. Today, China continues to be active in astronomy, with many observatories and its own space program.