Astronomy and Space Science
... C rises barely above the eastern horizon, moves along the southern horizon, and sets in the West D rises straight up in the East, passes directly overhead, and descends straight down in the West 13 Parallax can be used to measure a star’s— ...
... C rises barely above the eastern horizon, moves along the southern horizon, and sets in the West D rises straight up in the East, passes directly overhead, and descends straight down in the West 13 Parallax can be used to measure a star’s— ...
Our Place in the Cosmos Elective Course Autumn 2006
... • Responsible for seasons and changing patterns of stars through the year • Overhead at midnight, one is looking away from the Sun • This direction changes throughout the year and so we see different stars - six months from now we will be looking in the opposite direction at midnight ...
... • Responsible for seasons and changing patterns of stars through the year • Overhead at midnight, one is looking away from the Sun • This direction changes throughout the year and so we see different stars - six months from now we will be looking in the opposite direction at midnight ...
No Slide Title
... are really three stars all orbiting each other. One of these stars Proxima Centauri is the closest star to Earth next to our sun. There are many kinds of stars, big and small, close and far, bright and dim, some even change in brightness in a matter of hours (these are called pulsating stars). When ...
... are really three stars all orbiting each other. One of these stars Proxima Centauri is the closest star to Earth next to our sun. There are many kinds of stars, big and small, close and far, bright and dim, some even change in brightness in a matter of hours (these are called pulsating stars). When ...
wk02noQ
... 3. The Sun orbits in the Milky Way The sun (and nearby stars) orbit the center of the Milky Way once per 230,000,000 years. How do we know? (motion of other stars in the Milky Way wrt the Sun; careful study of stellar positions over time) ...
... 3. The Sun orbits in the Milky Way The sun (and nearby stars) orbit the center of the Milky Way once per 230,000,000 years. How do we know? (motion of other stars in the Milky Way wrt the Sun; careful study of stellar positions over time) ...
Gingin Observatory July 2015 Newsletter
... 18th the 2-day old slender crescent Moon forms a triangle with Jupiter and Venus, or a quadrilateral if you include the 1st magnitude star Regulus (Alpha Leonis). Jupiter motion across Leo takes it directly toward Regulus and at month end the pair is only 2.5 apart and even close next month. Saturn ...
... 18th the 2-day old slender crescent Moon forms a triangle with Jupiter and Venus, or a quadrilateral if you include the 1st magnitude star Regulus (Alpha Leonis). Jupiter motion across Leo takes it directly toward Regulus and at month end the pair is only 2.5 apart and even close next month. Saturn ...
File
... Its builders had made sure that we would. The monolithic marker that stood above the entrance was now a fused stump, but even the first long-range photographs told us that here was the work of intelligence. A little later we detected the continent-wide pattern of radioactivity that had been buried i ...
... Its builders had made sure that we would. The monolithic marker that stood above the entrance was now a fused stump, but even the first long-range photographs told us that here was the work of intelligence. A little later we detected the continent-wide pattern of radioactivity that had been buried i ...
Sizing Up The Universe
... Small Magellanic Cloud. They were all at approximately the same distance, so their relative luminosity as a function of their period of variability could be determined. From 1923 to 1924 Edwin Hubble (1889–1953) observed the Andromeda galaxy (M31) with the 100-inch-diameter telescope on Mount Wilson ...
... Small Magellanic Cloud. They were all at approximately the same distance, so their relative luminosity as a function of their period of variability could be determined. From 1923 to 1924 Edwin Hubble (1889–1953) observed the Andromeda galaxy (M31) with the 100-inch-diameter telescope on Mount Wilson ...
Apparent size (apparent diameter)
... 1. The changing angle of insolation completes one full cycle per year. a. Intensity of insolation (maximum at solar noon): i. Solar noon insolation in the northern hemisphere increases from December 21st through June 21st. This is opposite in the southern hemisphere. ii. Solar noon insolation in the ...
... 1. The changing angle of insolation completes one full cycle per year. a. Intensity of insolation (maximum at solar noon): i. Solar noon insolation in the northern hemisphere increases from December 21st through June 21st. This is opposite in the southern hemisphere. ii. Solar noon insolation in the ...
Celestial Objects
... Seasonal Motion 23 – A slower cycle of the Sun and stars (constellations) from east to west can be observed. This cycle brings back the same stars to the same place at the same time each year. Therefore, each season is characterized by a particular group of constellations. The seasonal motion is a m ...
... Seasonal Motion 23 – A slower cycle of the Sun and stars (constellations) from east to west can be observed. This cycle brings back the same stars to the same place at the same time each year. Therefore, each season is characterized by a particular group of constellations. The seasonal motion is a m ...
TRANSIT
... It had a magnifying power of about x 20 and a small field of view. But it did show the craters of the Moon. That was in 1951 when we had no money. In 1957 when “Sky at Night” started, Patrick showed where to look for the “Arnold-Rowland” comet. We saw it with that telescope. I thought it looked like ...
... It had a magnifying power of about x 20 and a small field of view. But it did show the craters of the Moon. That was in 1951 when we had no money. In 1957 when “Sky at Night” started, Patrick showed where to look for the “Arnold-Rowland” comet. We saw it with that telescope. I thought it looked like ...
Exploring the Moon and Stars
... • The Moon is illuminated by sunlight. • The portions of the Moon facing the Earth but not visible during many of the phases are hidden in the Moon’s own shadow. ...
... • The Moon is illuminated by sunlight. • The portions of the Moon facing the Earth but not visible during many of the phases are hidden in the Moon’s own shadow. ...
Astronomical Imaging: Overview
... – decrease of 5 magnitudes from one star to another star increase in brightness by factor 100 – decrease of 2.5 magnitudes from one star to another increase in brightness by factor 10 ...
... – decrease of 5 magnitudes from one star to another star increase in brightness by factor 100 – decrease of 2.5 magnitudes from one star to another increase in brightness by factor 10 ...
PDF version (two pages, including the full text)
... the zenith is the Scorpion, with the reddish star Antares at its heart. Antares (or 'rival of Mars') is a huge star 600 light years away, shining in visible light with 12000 times the power output of our own sun. But Antares is also so much cooler than the sun (hence the red colour) that most of its ...
... the zenith is the Scorpion, with the reddish star Antares at its heart. Antares (or 'rival of Mars') is a huge star 600 light years away, shining in visible light with 12000 times the power output of our own sun. But Antares is also so much cooler than the sun (hence the red colour) that most of its ...
+ RA(*)
... Azimuth. A measurement of angle increasing from north through east. Altitude (astronomical). A measurement of angular distance from the true horizon upwards. Ecliptic. The great circle in the sky along which the Sun appears to move because of Earth’s orbit about it. Right Ascension. A celestial co-o ...
... Azimuth. A measurement of angle increasing from north through east. Altitude (astronomical). A measurement of angular distance from the true horizon upwards. Ecliptic. The great circle in the sky along which the Sun appears to move because of Earth’s orbit about it. Right Ascension. A celestial co-o ...
Frostburg State Planetarium presents
... • Special FSU Planetarium programs for Tri-State schools – free, call (301) 687-7799 and leave message of desired date & time • Free Special programs arranged for special groups, clubs, scouts, etc. – call above # • Dr. Doyle talks to clubs, groups as well, no fee • FSU Planetarium has served area f ...
... • Special FSU Planetarium programs for Tri-State schools – free, call (301) 687-7799 and leave message of desired date & time • Free Special programs arranged for special groups, clubs, scouts, etc. – call above # • Dr. Doyle talks to clubs, groups as well, no fee • FSU Planetarium has served area f ...
Exam 1 Astronomy 100, Section 3 Select the most appropriate
... (C) Tides are caused by the tilt of the Earth’s rotation axis. (D) Tides are caused primarily by the gravitational force of the Sun. (E) Tides are caused on the side of the Earth nearest the Moon because the Moon’s gravity attracts the water. 37. Everything looks red through a red filter because (A) ...
... (C) Tides are caused by the tilt of the Earth’s rotation axis. (D) Tides are caused primarily by the gravitational force of the Sun. (E) Tides are caused on the side of the Earth nearest the Moon because the Moon’s gravity attracts the water. 37. Everything looks red through a red filter because (A) ...
Barycenter of Solar System Moon orbits
... To find the planet locations … • Pick a planet .. (poor Pluto too tough, but too far away) • Pick a date … • Pick a coordinate system … – Heliocentric = measured from the Sun (center) • Earth-Sun plane – “point of Aries” (Earth-Sun: Spring) ...
... To find the planet locations … • Pick a planet .. (poor Pluto too tough, but too far away) • Pick a date … • Pick a coordinate system … – Heliocentric = measured from the Sun (center) • Earth-Sun plane – “point of Aries” (Earth-Sun: Spring) ...
celestial equator
... constellations, some ancient, some relatively recent (18th century). The twelve constellations of the zodiac (Capricornus, Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, and Sagittarius) are already familiar to you. ...
... constellations, some ancient, some relatively recent (18th century). The twelve constellations of the zodiac (Capricornus, Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, and Sagittarius) are already familiar to you. ...
ANSWER KEY Evaluating Scientific Explanations: Why do we have
... g. We have seasons because of the tilt of the earth’s axis. When it is summer in the northern hemisphere, the earth is learning toward the sun, so the northern hemisphere is closer to the sun and the southern hemisphere is farther from the sun. In the spring and fall, both hemispheres are equally ...
... g. We have seasons because of the tilt of the earth’s axis. When it is summer in the northern hemisphere, the earth is learning toward the sun, so the northern hemisphere is closer to the sun and the southern hemisphere is farther from the sun. In the spring and fall, both hemispheres are equally ...
Prep/Review Questions - Faculty Web Sites at the University
... the maximum altitude of the full Moon at the time of the Vernal Equinox. Is this possible without having professional tables of the Moon’s coordinates? [Hint: what declination will the Moon have in this situation?] Suppose the Moon is in its "crescent" phase. If you were standing on the Moon’s surfa ...
... the maximum altitude of the full Moon at the time of the Vernal Equinox. Is this possible without having professional tables of the Moon’s coordinates? [Hint: what declination will the Moon have in this situation?] Suppose the Moon is in its "crescent" phase. If you were standing on the Moon’s surfa ...
Astro 4 Practice Test 1
... d. It is one of about 10 regions in space where we can observe bright stars, which all seem to cluster near each other. 3. A friend of yours from a distant country is visiting you. While going for a walk one night, you point out the North Celestial Pole. They remark that they’ve never seen either ce ...
... d. It is one of about 10 regions in space where we can observe bright stars, which all seem to cluster near each other. 3. A friend of yours from a distant country is visiting you. While going for a walk one night, you point out the North Celestial Pole. They remark that they’ve never seen either ce ...
What, and Why, is the International Astronomical Union?
... bright stars used in navigation. Astronomical Telegrams (Comm. 6): These announced new astronomical discoveries, observations, and calculations, and astronomers agreed to release things this way first (even before the New York Times). The Bureau, originally located in Copenhagen, is now at the Cente ...
... bright stars used in navigation. Astronomical Telegrams (Comm. 6): These announced new astronomical discoveries, observations, and calculations, and astronomers agreed to release things this way first (even before the New York Times). The Bureau, originally located in Copenhagen, is now at the Cente ...