University Mohamed Khider- Biskra Faculty of letters and
... 9. What best describes a “falling star”? a. A flaming ball of gas b. A star streaking across the sky near the Earth c. A tiny rock vaporizing as it enters the Earth’s atmosphere 10. Which planet has a surface and atmosphere most like the Earth? a. Mars b. Neptune c. Mercury 11. What is the brightes ...
... 9. What best describes a “falling star”? a. A flaming ball of gas b. A star streaking across the sky near the Earth c. A tiny rock vaporizing as it enters the Earth’s atmosphere 10. Which planet has a surface and atmosphere most like the Earth? a. Mars b. Neptune c. Mercury 11. What is the brightes ...
Stars Notes
... 4.b – Students know that the Sun is one of many stars in the Milky Way galaxy and that stars may differ in size, temperature and color 4.d – Students know that stars are the source of light for all bright objects in outer space and that the Moon and planets shine by reflected sunlight, not by thei ...
... 4.b – Students know that the Sun is one of many stars in the Milky Way galaxy and that stars may differ in size, temperature and color 4.d – Students know that stars are the source of light for all bright objects in outer space and that the Moon and planets shine by reflected sunlight, not by thei ...
Main Sequence Star What is happening in the core? How does the
... Main Sequence Star What is happening in the core? How does the star support itself? ...
... Main Sequence Star What is happening in the core? How does the star support itself? ...
Ch. 15 Notes
... – Easily identifiable by the three stars of his belt during the fall and winter – Betelgeuse, the hunter’s right shoulder, is a red supergiant star. If it was in our sun’s place it would extend to the orbit of Jupiter. It will explode in a supernova explosion sometime in the next 1000 years. When th ...
... – Easily identifiable by the three stars of his belt during the fall and winter – Betelgeuse, the hunter’s right shoulder, is a red supergiant star. If it was in our sun’s place it would extend to the orbit of Jupiter. It will explode in a supernova explosion sometime in the next 1000 years. When th ...
Star Light, Star Bright: Exploring how stars are classified
... LP _________________________________________ Date ________ Objectives: • Students will work in small groups to organize stars into different categories based on observations of properties for a collection of stars. Materials: • One set of colored and laminated stars per 4 students: Star Set (pdf) Pr ...
... LP _________________________________________ Date ________ Objectives: • Students will work in small groups to organize stars into different categories based on observations of properties for a collection of stars. Materials: • One set of colored and laminated stars per 4 students: Star Set (pdf) Pr ...
The Galaxy Presentation 2011
... - We are in a quiet “suburb,” but it was not always that way. - Hot X-Ray emitting gas coming from nearby in all directions. Surrounding hot gas is region of cooler gas (100 light years distant) - We and all our stellar neighbors live inside a hot bubble! - The existence of this LOCAL BUBBLE means t ...
... - We are in a quiet “suburb,” but it was not always that way. - Hot X-Ray emitting gas coming from nearby in all directions. Surrounding hot gas is region of cooler gas (100 light years distant) - We and all our stellar neighbors live inside a hot bubble! - The existence of this LOCAL BUBBLE means t ...
Making H-R Diagrams - PLC-METS
... Making an H-R Diagram BACKGOUND INFORMATION: Stars in the sky are not created equal and are composed of different materials, different temperatures, different brightness, different sizes, and different distances from Earth. A star’s mass dictates how bright it will be, how long it will live, its tem ...
... Making an H-R Diagram BACKGOUND INFORMATION: Stars in the sky are not created equal and are composed of different materials, different temperatures, different brightness, different sizes, and different distances from Earth. A star’s mass dictates how bright it will be, how long it will live, its tem ...
Guide to Deep Space Poster PDF
... slightly shorter wavelength, moving through the colours to blue and violet the wavelengths get smaller and smaller. Light waves from moving sources are stretched or compressed by the motion. If an object is coming towards you its light is blueshifted meaning the light waves are squeezed together app ...
... slightly shorter wavelength, moving through the colours to blue and violet the wavelengths get smaller and smaller. Light waves from moving sources are stretched or compressed by the motion. If an object is coming towards you its light is blueshifted meaning the light waves are squeezed together app ...
Stellar Luminosity
... • It is relatively easy to measure apparent brightness of a star • Distance is much harder to measure • For nearby stars (d ≤ 3000 ly) we can use the technique of parallax • You can quickly understand parallax by putting your finger in front of your face ...
... • It is relatively easy to measure apparent brightness of a star • Distance is much harder to measure • For nearby stars (d ≤ 3000 ly) we can use the technique of parallax • You can quickly understand parallax by putting your finger in front of your face ...
Reach_for_the_stars_final_questions.doc
... i. The name of the deep-space object. ii. The portion of the electromagnetic spectrum used to take the image. (gamma ray, x-ray, etc.) iii. The approximate distance from earth, in light years. iv. The constellation in which the object can be found ...
... i. The name of the deep-space object. ii. The portion of the electromagnetic spectrum used to take the image. (gamma ray, x-ray, etc.) iii. The approximate distance from earth, in light years. iv. The constellation in which the object can be found ...
The HR Diagram Interpreted (PowerPoint version)
... Notice that we do not measure these sizes directly: essentially all the stars appear as unresolved points of light. But knowing their intrinsic luminosities (how much total energy they emit) and their surface temperatures tells us their sizes right away! (The study of eclipsing binary stars allows u ...
... Notice that we do not measure these sizes directly: essentially all the stars appear as unresolved points of light. But knowing their intrinsic luminosities (how much total energy they emit) and their surface temperatures tells us their sizes right away! (The study of eclipsing binary stars allows u ...
The HR Diagram Interpreted: Properties of Stars
... Notice that we do not measure these sizes directly: essentially all the stars appear as unresolved points of light. But knowing their intrinsic luminosities (how much total energy they emit) and their surface temperatures tells us their sizes right away! (The study of eclipsing binary stars allows u ...
... Notice that we do not measure these sizes directly: essentially all the stars appear as unresolved points of light. But knowing their intrinsic luminosities (how much total energy they emit) and their surface temperatures tells us their sizes right away! (The study of eclipsing binary stars allows u ...
CyclesOfTheSky
... So the horoscopes are off by about one whole constellation compared to the real sky. Astrologers now tell you that they use a different zodiac that is not aligned with the constellations. That zodiac has 12 “houses” of equal size. I personally give no credence to astrology, think it is wrong and ano ...
... So the horoscopes are off by about one whole constellation compared to the real sky. Astrologers now tell you that they use a different zodiac that is not aligned with the constellations. That zodiac has 12 “houses” of equal size. I personally give no credence to astrology, think it is wrong and ano ...
astrocoursespring2012lec5-1-1
... No more than a few arc secs (or 1/3600 degs) Distance = 1 / theta ( very small angle) For p of 1 arc sec, this distance corresponds to 206,265 AUs or 3.26 light years (63,115 aus/ly) (This is the definition of the parsec Definition of parallax arc-sec - parsec: http://www.youtube.com/watch?v=6zV3JE ...
... No more than a few arc secs (or 1/3600 degs) Distance = 1 / theta ( very small angle) For p of 1 arc sec, this distance corresponds to 206,265 AUs or 3.26 light years (63,115 aus/ly) (This is the definition of the parsec Definition of parallax arc-sec - parsec: http://www.youtube.com/watch?v=6zV3JE ...
Ursa Major
Ursa Major /ˈɜrsə ˈmeɪdʒər/ (also known as the Great Bear and Charles' Wain) is a constellation in the northern celestial hemisphere. One of the 48 constellations listed by Ptolemy (second century AD), it remains one of the 88 modern constellations. It can be visible throughout the year in most of the northern hemisphere. Its name, Latin for ""the greater (or larger) she-bear"", stands as a reference to and in direct contrast with Ursa Minor, ""the smaller she-bear"", with which it is frequently associated in mythology and amateur astronomy. The constellation's most recognizable asterism, a group of seven relatively bright stars commonly known as the ""Big Dipper"", ""the Wagon"" or ""the Plough"" (among others), both mimicks the shape of the lesser bear (the ""Little Dipper"") and is commonly used as a navigational pointer towards the current northern pole star, Polaris in Ursa Minor. The Big Dipper and the constellation as a whole have mythological significance in numerous world cultures, usually as a symbol of the north.The third largest constellation in the sky, Ursa Major is home to many deep-sky objects including seven Messier objects, four other NGC objects and I Zwicky 18, the youngest known galaxy in the visible universe.