Astronomy Assignment #1
... determined from the table in the text’s appendix. Thus, Alpha Centauri A is slightly larger than the Sun with a diameter of 1.23 solar diameters. Alpha Centauri B is (60/85) = 0.706 times smaller than Alpha Centauri A. based on the ratio of their angular sizes (and the fact that they are at the same ...
... determined from the table in the text’s appendix. Thus, Alpha Centauri A is slightly larger than the Sun with a diameter of 1.23 solar diameters. Alpha Centauri B is (60/85) = 0.706 times smaller than Alpha Centauri A. based on the ratio of their angular sizes (and the fact that they are at the same ...
Constellations - Jolie McLaine`s Senior Project
... at this same moment, Perseus, was traveling along the coast. Perseus noticed the beautiful woman and fell in love with her. Learning of Andromeda's story, he offered to rescue her if her parents agreed to let him marry their daughter. With the help of some magical sandals that allowed Perseus to fly ...
... at this same moment, Perseus, was traveling along the coast. Perseus noticed the beautiful woman and fell in love with her. Learning of Andromeda's story, he offered to rescue her if her parents agreed to let him marry their daughter. With the help of some magical sandals that allowed Perseus to fly ...
Introduction to the sky
... (DEC) It is the analogue of latitude on the sky. The analogue of longitude is called right ascension (RA). While the RA and DEC of a star change slowly with time, these changes are very small fractions of a degree each year. Thus, we can make a star catalogue or star chart that is useful for observe ...
... (DEC) It is the analogue of latitude on the sky. The analogue of longitude is called right ascension (RA). While the RA and DEC of a star change slowly with time, these changes are very small fractions of a degree each year. Thus, we can make a star catalogue or star chart that is useful for observe ...
Introduction to the sky
... (DEC) It is the analogue of latitude on the sky. The analogue of longitude is called right ascension (RA). While the RA and DEC of a star change slowly with time, these changes are very small fractions of a degree each year. Thus, we can make a star catalogue or star chart that is useful for observe ...
... (DEC) It is the analogue of latitude on the sky. The analogue of longitude is called right ascension (RA). While the RA and DEC of a star change slowly with time, these changes are very small fractions of a degree each year. Thus, we can make a star catalogue or star chart that is useful for observe ...
Astronomy Final Study Guide – Name: **This will be the biggest test
... 21. How are protostars different from main sequence stars? 22. How does the atmosphere protect us from dangerous forms of radiation? Which forms does it protect us from? Be able to draw a diagram explaining how this happens. ...
... 21. How are protostars different from main sequence stars? 22. How does the atmosphere protect us from dangerous forms of radiation? Which forms does it protect us from? Be able to draw a diagram explaining how this happens. ...
charts_set_7
... would have if placed at a standard distance (10 pc) from the Earth = dependent on luminosity only ...
... would have if placed at a standard distance (10 pc) from the Earth = dependent on luminosity only ...
AST 341 Final Exam and Solutions
... a “normal” main sequence star would indeed be filling (or overfilling) its Roche lobe, and accreting onto the white dwarf. (You should be able to estimate the radius of the Sun in a number of ways, either from the solar constant, Tef f m and the luminosity, or the angular diameter and the distance, ...
... a “normal” main sequence star would indeed be filling (or overfilling) its Roche lobe, and accreting onto the white dwarf. (You should be able to estimate the radius of the Sun in a number of ways, either from the solar constant, Tef f m and the luminosity, or the angular diameter and the distance, ...
ANSWER
... ANSWER: Terrestrial planets are smaller than gas giant planets. 7. What is the difference between the distance between the terrestrial and gas giant planets? ANSWER: The distances between the gas giant planets are much larger than the distances between the terrestrial planets. 8. What is the differe ...
... ANSWER: Terrestrial planets are smaller than gas giant planets. 7. What is the difference between the distance between the terrestrial and gas giant planets? ANSWER: The distances between the gas giant planets are much larger than the distances between the terrestrial planets. 8. What is the differe ...
The Hertzsprung-Russell Diagram
... 5. Circle the group of ten stars above the main sequence. 6. Label these stars as the “red giant stars.” 7. Circle the group of five stars below the main sequence. 8. Label these stars as the “white dwarf stars.” ...
... 5. Circle the group of ten stars above the main sequence. 6. Label these stars as the “red giant stars.” 7. Circle the group of five stars below the main sequence. 8. Label these stars as the “white dwarf stars.” ...
te acher`s guide te acher`s guide
... What are the signs of the zodiac? The signs of the zodiac are twelve different groups of stars that are named after animals or mythical creatures.They are constellations — patterns of stars in the night sky — that appear to create outlines of pictures when viewed from Earth. How are stars born? At f ...
... What are the signs of the zodiac? The signs of the zodiac are twelve different groups of stars that are named after animals or mythical creatures.They are constellations — patterns of stars in the night sky — that appear to create outlines of pictures when viewed from Earth. How are stars born? At f ...
Lecture 10a Neutron Star and Black Holes (Test 2 overview)
... • 10-20 supernovas occur every1000 years in a galaxy the size of the Milky Way (~200 billion stars) with ~15% being type Ia • 8 observed in last 2000 years (185, 386, ...
... • 10-20 supernovas occur every1000 years in a galaxy the size of the Milky Way (~200 billion stars) with ~15% being type Ia • 8 observed in last 2000 years (185, 386, ...
Opakování z minulého cvičení
... Comets are thought to originate in a spherical shell or halo, beyond the orbits of the planets and about halfway to the nearest star (tens of thousands of astronomical units from the Sun). Comets may have been stored in this Oort cloud since the formation of the Solar System; a rival theory suggests ...
... Comets are thought to originate in a spherical shell or halo, beyond the orbits of the planets and about halfway to the nearest star (tens of thousands of astronomical units from the Sun). Comets may have been stored in this Oort cloud since the formation of the Solar System; a rival theory suggests ...
TMSP Stellar Evolution & Life
... complex but similar to a prism). We’ll keep it simple and just deal ...
... complex but similar to a prism). We’ll keep it simple and just deal ...
Powerpoint for today
... (as Main Sequence Stars)? A star on Main Sequence has fusion of H to He in its core. How fast depends on mass of H available and rate of fusion. Mass of H in core depends on mass of star. Fusion rate is related to luminosity (fusion reactions make the radiation energy). ...
... (as Main Sequence Stars)? A star on Main Sequence has fusion of H to He in its core. How fast depends on mass of H available and rate of fusion. Mass of H in core depends on mass of star. Fusion rate is related to luminosity (fusion reactions make the radiation energy). ...
Lecture 10: The Milky Way
... Some star clusters contain types of unstable AGB stars that have regular pulsations (they lie on the ‘instability strip’). The most important of these variables are Cepheid variables – with luminosities of up to 104 L they can be seen in distant galaxies (Polaris is a nearby Cepheid variable). Thei ...
... Some star clusters contain types of unstable AGB stars that have regular pulsations (they lie on the ‘instability strip’). The most important of these variables are Cepheid variables – with luminosities of up to 104 L they can be seen in distant galaxies (Polaris is a nearby Cepheid variable). Thei ...
File - YEAR 11 EBSS PHYSICS DETAILED STUDIES
... 1 parsec is the distance to a star that would show 1 arcsec of parallax. (206 265 AU) ...
... 1 parsec is the distance to a star that would show 1 arcsec of parallax. (206 265 AU) ...
Other Galaxies, their Distances, and the Expansion of the Universe
... Elliptical galaxies display a huge variety of sizes and masses Giant elliptical galaxies can be 20 times larger than the Milky Way n Dwarf elliptical galaxies are extremely common and can contain as few as a million stars n ...
... Elliptical galaxies display a huge variety of sizes and masses Giant elliptical galaxies can be 20 times larger than the Milky Way n Dwarf elliptical galaxies are extremely common and can contain as few as a million stars n ...
constellations are not real!
... 5th magnitude stars are about the faintest you can see on a good night. There are about 1500 of these stars, but less than 100 of them appear on the charts. f. Some 6th magnitude stars can be seen by the “keen of sight” in constellations such as the Dolphin, Cup, and the Fishes. g. For anything fain ...
... 5th magnitude stars are about the faintest you can see on a good night. There are about 1500 of these stars, but less than 100 of them appear on the charts. f. Some 6th magnitude stars can be seen by the “keen of sight” in constellations such as the Dolphin, Cup, and the Fishes. g. For anything fain ...
THE CELESTIAL SPHERE
... The stars are at a very large distance from us. So the relative movement between them is of no consequence to day-to-day observations. We therefore imagine the stars to remain fixed on a sphere of very large radius with the earth at its centre. We call this sphere the celestial sphere. At any point ...
... The stars are at a very large distance from us. So the relative movement between them is of no consequence to day-to-day observations. We therefore imagine the stars to remain fixed on a sphere of very large radius with the earth at its centre. We call this sphere the celestial sphere. At any point ...
Lyra
Lyra (/ˈlaɪərə/; Latin for lyre, from Greek λύρα) is a small constellation. It is one of 48 listed by the 2nd century astronomer Ptolemy, and is one of the 88 constellations recognized by the International Astronomical Union. Lyra was often represented on star maps as a vulture or an eagle carrying a lyre, and hence sometimes referred to as Aquila Cadens or Vultur Cadens. Beginning at the north, Lyra is bordered by Draco, Hercules, Vulpecula, and Cygnus. Lyra is visible from the northern hemisphere from spring through autumn, and nearly overhead, in temperate latitudes, during the summer months. From the southern hemisphere, it is visible low in the northern sky during the winter months.The lucida or brightest star—and one of the brightest stars in the sky—is the white main sequence star Vega, a corner of the Summer Triangle. Beta Lyrae is the prototype of a class of stars known as Beta Lyrae variables, binary stars so close to each other that they become egg-shaped and material flows from one to the other. Epsilon Lyrae, known informally as the Double Double, is a complex multiple star system. Lyra also hosts the Ring Nebula, the second-discovered and best-known planetary nebula.