HR Diagram
... 2. Refer to figure 10 on page 132 in Prentice Hall Science Explorer, Astronomy. Use colored pencils to label the following three regions on your diagram: giants/supergiants, main sequence stars, and white dwarfs. 3. To which group do most of the stars on your diagram belong (Circle one): giants/supe ...
... 2. Refer to figure 10 on page 132 in Prentice Hall Science Explorer, Astronomy. Use colored pencils to label the following three regions on your diagram: giants/supergiants, main sequence stars, and white dwarfs. 3. To which group do most of the stars on your diagram belong (Circle one): giants/supe ...
absolute magnitude
... – If a star is actually closer than 10pc, its absolute magnitude will be a bigger number, i.e. it is intrinsically dimmer than it appears – If a star is farther than 10pc, its absolute magnitude will be a smaller number, i.e. it is intrinsically brighter than it appears ...
... – If a star is actually closer than 10pc, its absolute magnitude will be a bigger number, i.e. it is intrinsically dimmer than it appears – If a star is farther than 10pc, its absolute magnitude will be a smaller number, i.e. it is intrinsically brighter than it appears ...
Stars
... characters from mythology. The formations appear at different times of the year. Each season earth can view a different sets of constellations. Also the earth views a different set of constellations on the northern and southern hemispheres. Like in August they have different sets of constellations t ...
... characters from mythology. The formations appear at different times of the year. Each season earth can view a different sets of constellations. Also the earth views a different set of constellations on the northern and southern hemispheres. Like in August they have different sets of constellations t ...
Part 1—Stages of Human Life
... 1. Make an educated guess of the life cycle of the images of the stars. Guess the stages of life for this high mass star. 2. Shuffle the images and place them in order from youngest to oldest, but do NOT glue them down yet. 3. List the logic and the reasons for why you placed the images in the order ...
... 1. Make an educated guess of the life cycle of the images of the stars. Guess the stages of life for this high mass star. 2. Shuffle the images and place them in order from youngest to oldest, but do NOT glue them down yet. 3. List the logic and the reasons for why you placed the images in the order ...
Introduction to the sky
... make a star catalogue or star chart that is useful for observers at any location on the Earth. For example, the coordinates of Betelgeuse in the year 2000 were RA = 5 hours 55 minutes 10.3 seconds, DEC = +7 deg 24' 25”. ...
... make a star catalogue or star chart that is useful for observers at any location on the Earth. For example, the coordinates of Betelgeuse in the year 2000 were RA = 5 hours 55 minutes 10.3 seconds, DEC = +7 deg 24' 25”. ...
Organize Your Space PowerPoint.
... mass of the earth and if all the asteroids were combined together their diameter would be only half the diameter of our moon. ...
... mass of the earth and if all the asteroids were combined together their diameter would be only half the diameter of our moon. ...
eneb_form
... the light coming from the Sun. The tail has to always point away from the Sun, regardless of how the comet moving. ...
... the light coming from the Sun. The tail has to always point away from the Sun, regardless of how the comet moving. ...
1. Neutron stars 2. Black holes
... Novae and supernovae are two different types of beasts. A nova is an increase in the brightness of an accreting white dwarf star that is undergoing a surface explosion. The temporary and rapid change in luminosity can occur over a period of a few days. On the average, 2 or 3 novae are observed ...
... Novae and supernovae are two different types of beasts. A nova is an increase in the brightness of an accreting white dwarf star that is undergoing a surface explosion. The temporary and rapid change in luminosity can occur over a period of a few days. On the average, 2 or 3 novae are observed ...
Gemini South telescope makes the case for multiple Earth
... that the star is host to these Earth-sized planets depends on the star’s being a single object (i.e., not a binary, or twin, star). The Gemini data show no star companions to the primary “host” star, to within a distance that is less than that of Mercury from our Sun. Faint “M-class” stars such as T ...
... that the star is host to these Earth-sized planets depends on the star’s being a single object (i.e., not a binary, or twin, star). The Gemini data show no star companions to the primary “host” star, to within a distance that is less than that of Mercury from our Sun. Faint “M-class” stars such as T ...
AST121 Introduction to Astronomy
... • Local space-time is curved by the presence of mass – light (and everything else) travels in a curved space-time. – objects left to themselves travel in straight lines – a straight-line on a curved surface is a geodesic, or great circle ...
... • Local space-time is curved by the presence of mass – light (and everything else) travels in a curved space-time. – objects left to themselves travel in straight lines – a straight-line on a curved surface is a geodesic, or great circle ...
Parallax - High Point University
... • Local space-time is curved by the presence of mass – light (and everything else) travels in a curved space-time. – objects left to themselves travel in straight lines – a straight-line on a curved surface is a geodesic, or great circle ...
... • Local space-time is curved by the presence of mass – light (and everything else) travels in a curved space-time. – objects left to themselves travel in straight lines – a straight-line on a curved surface is a geodesic, or great circle ...
The Universe
... A star’s stable phase ends when most of its hydrogen has been consumed by fusion. The reduction in fusion causes the core to cool. This lowers the pressure causing the star to collapse upon itself under its own gravity. As the outer layers contract, they heat up. This triggers the fusion of the rema ...
... A star’s stable phase ends when most of its hydrogen has been consumed by fusion. The reduction in fusion causes the core to cool. This lowers the pressure causing the star to collapse upon itself under its own gravity. As the outer layers contract, they heat up. This triggers the fusion of the rema ...
The Sky from Your Point of View
... north celestial pole: +90º celestial equator: 0º south celestial pole: -90º ...
... north celestial pole: +90º celestial equator: 0º south celestial pole: -90º ...
Nuclear Interactions in Supernovae .
... • The outer layers expand because when the carbonoxygen core contracts, the increased pressure causes a rise in heat, which excites the molecules in the outer layers of the star. This excitation gives the molecules more room to move and causes them to ...
... • The outer layers expand because when the carbonoxygen core contracts, the increased pressure causes a rise in heat, which excites the molecules in the outer layers of the star. This excitation gives the molecules more room to move and causes them to ...
Integrative Studies 410 Our Place in the Universe
... fuel to burn) we can obtain the lifetime • Large hot blue stars: ~ 20 million years • The Sun: 10 billion years • Small cool red dwarfs: trillions of years ...
... fuel to burn) we can obtain the lifetime • Large hot blue stars: ~ 20 million years • The Sun: 10 billion years • Small cool red dwarfs: trillions of years ...
The Sun Compared to Other Stars
... The Sun Compared to Other Stars • Hertzsprung-Russell (HR) Diagram: A graph plot indicating individual stars as points, with stellar luminosity on the vertical axis & surface temperature (spectral type) on the horizontal axis • We can use spectroscopy to determine the spectral type & luminosity of a ...
... The Sun Compared to Other Stars • Hertzsprung-Russell (HR) Diagram: A graph plot indicating individual stars as points, with stellar luminosity on the vertical axis & surface temperature (spectral type) on the horizontal axis • We can use spectroscopy to determine the spectral type & luminosity of a ...
Test 2, Nov. 17, 2015 - Physics@Brock
... 23. Which of the following stars has the hottest surface? (a) K. (b) G. (c) B. (d) F. 24. The center of mass in a binary system is closer to (a) the more massive of the two stars. (b) less massive of the two stars. 25. The spectral lines of an approaching star are (a) broadened. (b) narrowed. (c) bl ...
... 23. Which of the following stars has the hottest surface? (a) K. (b) G. (c) B. (d) F. 24. The center of mass in a binary system is closer to (a) the more massive of the two stars. (b) less massive of the two stars. 25. The spectral lines of an approaching star are (a) broadened. (b) narrowed. (c) bl ...
Stars and Temperature and Color
... • The color indicates the temperature of the surface of the star. • The same is true for the filament in a light bulb or any other hot object. In general, we call radiation from a hot body `black body’ radiation (do demonstration 6B40.10). ...
... • The color indicates the temperature of the surface of the star. • The same is true for the filament in a light bulb or any other hot object. In general, we call radiation from a hot body `black body’ radiation (do demonstration 6B40.10). ...
3 sr -1
... 1 mag. difference gives a factor of 2.512 in apparent brightness (larger magnitude = fainter object!) 1st mag. stars appear 100 times brighter than 6th mag. stars ...
... 1 mag. difference gives a factor of 2.512 in apparent brightness (larger magnitude = fainter object!) 1st mag. stars appear 100 times brighter than 6th mag. stars ...
Ursa Minor
Ursa Minor (Latin: ""Smaller She-Bear"", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the northern sky. Like the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, hence the name Little Dipper. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and remains one of the 88 modern constellations. Ursa Minor has traditionally been important for navigation, particularly by mariners, due to Polaris being the North Star.Polaris, the brightest star in the constellation, is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging from apparent magnitude 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magnitude of 2.08, only slightly fainter than Polaris. Kochab and magnitude 3 Gamma Ursae Minoris have been called the ""guardians of the pole star"". Planets have been detected orbiting four of the stars, including Kochab. The constellation also contains an isolated neutron star—Calvera—and H1504+65, the hottest white dwarf yet discovered with a surface temperature of 200,000 K.