Module G - U1_ L3 - Life Cycle of Stars
... all its nuclear fuel is used up. The core then rapidly collapses and heats up. This halts the collapse, and the supergiant becomes a supernova. A supernova is a gigantic explosion in which a high-mass star collapses, throwing its outer layers into space. But its core remains. Compare the sizes of th ...
... all its nuclear fuel is used up. The core then rapidly collapses and heats up. This halts the collapse, and the supergiant becomes a supernova. A supernova is a gigantic explosion in which a high-mass star collapses, throwing its outer layers into space. But its core remains. Compare the sizes of th ...
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... ____________ 22. small hot stars that are dimmer than the sun ____________ 23. high-temperature stars that quickly use up their hydrogen ____________ 24. cool stars with high absolute magnitude ...
... ____________ 22. small hot stars that are dimmer than the sun ____________ 23. high-temperature stars that quickly use up their hydrogen ____________ 24. cool stars with high absolute magnitude ...
h-r_diagram_online_lab
... Step 2: Convert the Spectral class types into numbers, such that O is 0, B is 1, A is 2, et cetera. Highlight the data in the column labeled “Type.” Go to the “Edit” menu and choose “Replace.” In the pop-up search window, type “O” in the “Replace” line and “0.” in the “Replace with” line. (Don’t for ...
... Step 2: Convert the Spectral class types into numbers, such that O is 0, B is 1, A is 2, et cetera. Highlight the data in the column labeled “Type.” Go to the “Edit” menu and choose “Replace.” In the pop-up search window, type “O” in the “Replace” line and “0.” in the “Replace with” line. (Don’t for ...
Basic Properties of the Stars
... parallax shifts with respect to the distant background of stars. Tycho Brahe improved positional measures from +/- 10 arc minutes to as good as +/- 1 arc minute, but he could measure no parallaxes. This implied either that the stars were more than 3000 Astronomical Units away, or that the Earth was ...
... parallax shifts with respect to the distant background of stars. Tycho Brahe improved positional measures from +/- 10 arc minutes to as good as +/- 1 arc minute, but he could measure no parallaxes. This implied either that the stars were more than 3000 Astronomical Units away, or that the Earth was ...
Famous Constellations
... • Star maps are made of brightest stars and patterns that are seen • In the United States, we see constellations only in the Milky Way • They help us find certain constellations ...
... • Star maps are made of brightest stars and patterns that are seen • In the United States, we see constellations only in the Milky Way • They help us find certain constellations ...
PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the
... PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the best answer to the following questions on the answer sheet provided. 1. Magnetic fields inside sunspots are __________ those in surrounding regions. a) much stronger than, b) slightly stronger than, c) the same as, d) much weaker th ...
... PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the best answer to the following questions on the answer sheet provided. 1. Magnetic fields inside sunspots are __________ those in surrounding regions. a) much stronger than, b) slightly stronger than, c) the same as, d) much weaker th ...
Introduction to the sky
... Mars, Jupiter, Saturn, and even Uranus. Occasionally, a bright comet is visible. On certain nights of the year there are many meteors (shooting stars) to be seen. Sometimes man-made debris falls back to Earth and burns up in the atmosphere. Space Shuttle fuel tank reentry, April, 1984. Lava from Kil ...
... Mars, Jupiter, Saturn, and even Uranus. Occasionally, a bright comet is visible. On certain nights of the year there are many meteors (shooting stars) to be seen. Sometimes man-made debris falls back to Earth and burns up in the atmosphere. Space Shuttle fuel tank reentry, April, 1984. Lava from Kil ...
Astronomy Quiz 12 “Stars
... B. yellow dwarfs / red supergiant D. red dwarfs / blue supergiant _____3. The actual 3D motion of stars relative to each other in a rotating and swirling galaxy is called __ motion. A. radial B. proper C. real D. transverse _____4. How far away is a star that shows 1” (1 arc second) of parallax moti ...
... B. yellow dwarfs / red supergiant D. red dwarfs / blue supergiant _____3. The actual 3D motion of stars relative to each other in a rotating and swirling galaxy is called __ motion. A. radial B. proper C. real D. transverse _____4. How far away is a star that shows 1” (1 arc second) of parallax moti ...
The Warrumbungle Observer The Warrumbungle Observer
... Jupiter is the brightest object excluding the moon in the evening sky this month. It can be found in the constellation Capricorn which looks like the letter ‘D’ in the eastern evening sky. Careful observations of Jupiter’s position each night will show Jupiter moving compared to the other stars in C ...
... Jupiter is the brightest object excluding the moon in the evening sky this month. It can be found in the constellation Capricorn which looks like the letter ‘D’ in the eastern evening sky. Careful observations of Jupiter’s position each night will show Jupiter moving compared to the other stars in C ...
Student Worksheet - Indiana University Astronomy
... The red emission nebula, glowing with the characteristic light of hot hydrogen gas, hides a young star cluster near its center. The dust lanes appear dark because they obscure visible light, and are thus seen in silhouette against the brighter, glowing, hydrogen gas. Surrounding the red nebula is a ...
... The red emission nebula, glowing with the characteristic light of hot hydrogen gas, hides a young star cluster near its center. The dust lanes appear dark because they obscure visible light, and are thus seen in silhouette against the brighter, glowing, hydrogen gas. Surrounding the red nebula is a ...
ppt
... Therefore stars have an extremely large gravitational attraction that keeps their plasma held together. As gravity acts equally in all directions the plasma that forms the star is moulded into a sphere. But there must be some force keeping the star from collapsing in on itself. Because stars are so ...
... Therefore stars have an extremely large gravitational attraction that keeps their plasma held together. As gravity acts equally in all directions the plasma that forms the star is moulded into a sphere. But there must be some force keeping the star from collapsing in on itself. Because stars are so ...
Night sky
... Precession causes celestial coordinates to change slowly with time. When observing, one must have coordinates for the correct epoch. ...
... Precession causes celestial coordinates to change slowly with time. When observing, one must have coordinates for the correct epoch. ...
Solution Key
... With interstellar reddening, we modify the distance formula to be 12.5 - MV = 5 logd - 5 + AV where we can determine AV from the amount of reddening, that is ...
... With interstellar reddening, we modify the distance formula to be 12.5 - MV = 5 logd - 5 + AV where we can determine AV from the amount of reddening, that is ...
Corona Australis
Corona Australis /kɵˈroʊnə ɒˈstreɪlɨs/ or Corona Austrina /kɵˈroʊnə ɒˈstraɪnə/ is a constellation in the Southern Celestial Hemisphere. Its Latin name means ""southern crown"", and it is the southern counterpart of Corona Borealis, the northern crown. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations. The Ancient Greeks saw Corona Australis as a wreath rather than a crown and associated it with Sagittarius or Centaurus. Other cultures have likened the pattern to a turtle, ostrich nest, a tent, or even a hut belonging to a rock hyrax.Although fainter than its namesake, the oval- or horseshoe-shaped pattern of its brighter stars renders it distinctive. Alpha and Beta Coronae Australis are the two brightest stars with an apparent magnitude of around 4.1. Epsilon Coronae Australis is the brightest example of a W Ursae Majoris variable in the southern sky. Lying alongside the Milky Way, Corona Australis contains one of the closest star-forming regions to our Solar System—a dusty dark nebula known as the Corona Australis Molecular Cloud, lying about 430 light years away. Within it are stars at the earliest stages of their lifespan. The variable stars R and TY Coronae Australis light up parts of the nebula, which varies in brightness accordingly.