Practice Questions for Exam 3
... Which of the following is the best answer to the question "Why does the Sun shine?" A. As the Sun was forming, nuclear fusion reactions in the shrinking clouds of gas slowly became stronger and stronger, until the Sun reached its current luminosity. B. The Sun initially began making energy through c ...
... Which of the following is the best answer to the question "Why does the Sun shine?" A. As the Sun was forming, nuclear fusion reactions in the shrinking clouds of gas slowly became stronger and stronger, until the Sun reached its current luminosity. B. The Sun initially began making energy through c ...
Test 1, Feb. 2, 2016 - Brock physics
... 6. The wavelength of a source of light approaching the event horizon of a black hole is (a) blueshifted. (b) redshifted. (c) unchanged. 7. About one quarter of material in a nebula is (a) dust. (b) hydrogen. (c) helium. 8. Which one of these stars spends more time in protostar stage? (a) 1 solar mas ...
... 6. The wavelength of a source of light approaching the event horizon of a black hole is (a) blueshifted. (b) redshifted. (c) unchanged. 7. About one quarter of material in a nebula is (a) dust. (b) hydrogen. (c) helium. 8. Which one of these stars spends more time in protostar stage? (a) 1 solar mas ...
Constellations, Star Names, and Magnitudes
... The Magnitude Scale The magnitude scale system can be extended towards negative numbers (very bright) and numbers > 6 (faint objects): ...
... The Magnitude Scale The magnitude scale system can be extended towards negative numbers (very bright) and numbers > 6 (faint objects): ...
Significance of the 27 August 2016 Venus Jupiter Conjunction A
... Incredibly, the 27 August 2016 conjunction will give us (the wise men of today) an opportunity to see and photograph what the conjunction looked like when the planets merge into a single star, as it would have appeared over Israel, and how it appeared to the wise men when they were still in the east ...
... Incredibly, the 27 August 2016 conjunction will give us (the wise men of today) an opportunity to see and photograph what the conjunction looked like when the planets merge into a single star, as it would have appeared over Israel, and how it appeared to the wise men when they were still in the east ...
Antares - Emmi
... Antares is in the constellation scorpio The Scorpio constellations story is an ancient Greek myth. Orion the hunter was the best hunter in the world and the most handsome man. He bragged that he would kill every animal on Earth. Apollo guardian of the cows pleaded with Hera the queen of the gods t ...
... Antares is in the constellation scorpio The Scorpio constellations story is an ancient Greek myth. Orion the hunter was the best hunter in the world and the most handsome man. He bragged that he would kill every animal on Earth. Apollo guardian of the cows pleaded with Hera the queen of the gods t ...
Stars
... Now radioactive decay provides a heat source. Both Type I and Type II supernovae produce large amounts of radioactive 56Co (cobalt), which decays to iron with a half-life of 77 days. The luminosity of the supernova remnant decreases at just the rate expected for 56Co decay. Later, radioactive elemen ...
... Now radioactive decay provides a heat source. Both Type I and Type II supernovae produce large amounts of radioactive 56Co (cobalt), which decays to iron with a half-life of 77 days. The luminosity of the supernova remnant decreases at just the rate expected for 56Co decay. Later, radioactive elemen ...
Section 1 Notes on Stars
... of term – this is about the birth, life and death of stars and that is NOT evolution)? 2. What kind of matter exists in the spaces between the stars? 3. In what kind of nebulae do new stars form? 4. What steps are involved in forming a star like the ...
... of term – this is about the birth, life and death of stars and that is NOT evolution)? 2. What kind of matter exists in the spaces between the stars? 3. In what kind of nebulae do new stars form? 4. What steps are involved in forming a star like the ...
Document
... of term – this is about the birth, life and death of stars and that is NOT evolution)? 2. What kind of matter exists in the spaces between the stars? 3. In what kind of nebulae do new stars form? 4. What steps are involved in forming a star like the ...
... of term – this is about the birth, life and death of stars and that is NOT evolution)? 2. What kind of matter exists in the spaces between the stars? 3. In what kind of nebulae do new stars form? 4. What steps are involved in forming a star like the ...
Scientific Notation Worksheet
... 29. Draw a longitudinal wave (compression wave) and label the direction that energy is moving and the direction that particles or the medium are moving. ...
... 29. Draw a longitudinal wave (compression wave) and label the direction that energy is moving and the direction that particles or the medium are moving. ...
Nebula Beginnings - University of Dayton
... titanic supernova explosions scatter this material back into space where it is used to create new generations of stars. This is the mechanism by which the gas and dust that formed our solar system became enriched with the elements that sustain life on this planet. Hubble spectroscopic observations w ...
... titanic supernova explosions scatter this material back into space where it is used to create new generations of stars. This is the mechanism by which the gas and dust that formed our solar system became enriched with the elements that sustain life on this planet. Hubble spectroscopic observations w ...
Lives of Stars - Amazon Web Services
... these stages, but you know the stages exist. Astronomers have a similar problem in trying to understand how stars age. They can't watch a single star for billions of years. Instead, they study many stars and other objects in space. Over time, astronomers have figured out that these objects represent ...
... these stages, but you know the stages exist. Astronomers have a similar problem in trying to understand how stars age. They can't watch a single star for billions of years. Instead, they study many stars and other objects in space. Over time, astronomers have figured out that these objects represent ...
Properties of Stars
... two or more stars bound together by gravity orbit a common centre of mass may appear as one star ...
... two or more stars bound together by gravity orbit a common centre of mass may appear as one star ...
December 2015
... have been called the Fox Fur Nebula. In the center is a shape called the Snowflake Nebula. Rather like a Christmas Tree decoration. Most of the illuminated gas cloud nebulas seen in our skies are emission nebulae. The light emission arises from gases ionized by high energy photons emitted from stars ...
... have been called the Fox Fur Nebula. In the center is a shape called the Snowflake Nebula. Rather like a Christmas Tree decoration. Most of the illuminated gas cloud nebulas seen in our skies are emission nebulae. The light emission arises from gases ionized by high energy photons emitted from stars ...
Stellar Evolution Review
... c) they only emit infrared radiation d) they are all moving away from Earth so fast that their visible light is Doppler shifted into the infrared ...
... c) they only emit infrared radiation d) they are all moving away from Earth so fast that their visible light is Doppler shifted into the infrared ...
Unit 3 - Section 8.9 Life of Stars
... Other forms of electromagnetic radiation are radio waves and x-rays. Waves with different wavelengths make up the electrostatic spectrum. Other devices have been invented that will detect wavelengths different than those detected by the eyes (e.g., infra-red). The Brightness of Stars - The luminosit ...
... Other forms of electromagnetic radiation are radio waves and x-rays. Waves with different wavelengths make up the electrostatic spectrum. Other devices have been invented that will detect wavelengths different than those detected by the eyes (e.g., infra-red). The Brightness of Stars - The luminosit ...
SN 1054
SN 1054 is a supernova that was first observed on 4 July 1054 A.D. (hence its name), and that lasted for a period of around two years. The event was recorded in contemporary Chinese astronomy, and references to it are also found in a later (13th-century) Japanese document, and in a document from the Arab world. Furthermore, there are a number of proposed, but doubtful, references from European sources recorded in the 15th century, and perhaps a pictograph associated with the Ancestral Puebloan culture found near the Peñasco Blanco site in New Mexico.The remnant of SN 1054, which consists of debris ejected during the explosion, is known as the Crab Nebula. It is located in the sky near the star Zeta Tauri (ζ Tauri). The core of the exploding star formed a pulsar, called the Crab Pulsar (or PSR B0531+21). The nebula and the pulsar it contains are the most studied astronomical objects outside the Solar System. It is one of the few Galactic supernovae where the date of the explosion is well known. The two objects are the most luminous in their respective categories. For these reasons, and because of the important role it has repeatedly played in the modern era, SN 1054 is the best known supernova in the history of astronomy.The Crab Nebula is easily observed by amateur astronomers thanks to its brightness, and was also catalogued early on by professional astronomers, long before its true nature was understood and identified. When the French astronomer Charles Messier watched for the return of Halley's Comet in 1758, he confused the nebula for the comet, as he was unaware of the former's existence. Due to this error, he created his catalogue of non-cometary nebulous objects, the Messier Catalogue, to avoid such mistakes in the future. The nebula is catalogued as the first Messier object, or M1.