Origin of stars
... “The stars of our own galaxy, the Milky Way, rotate about the galactic center with different speeds, the inner ones rotating faster than the outer ones. The observed rotation speeds are so fast that if our galaxy were more than a few hundred million years old, it would be a featureless disc of stars ...
... “The stars of our own galaxy, the Milky Way, rotate about the galactic center with different speeds, the inner ones rotating faster than the outer ones. The observed rotation speeds are so fast that if our galaxy were more than a few hundred million years old, it would be a featureless disc of stars ...
epsilon Aur
... that of the Earth’s orbit around the Sun. The secondary object is a mystery. It orbits the primary star every 27 years, at a distance similar to that of Neptune from our Sun. These eclipses last for nearly two years – so the object involved must be huge ! Despite this, the spectrum of the primary st ...
... that of the Earth’s orbit around the Sun. The secondary object is a mystery. It orbits the primary star every 27 years, at a distance similar to that of Neptune from our Sun. These eclipses last for nearly two years – so the object involved must be huge ! Despite this, the spectrum of the primary st ...
Doppler Effect - SAVE MY EXAMS!
... The initial discovery of the planet was made using the radial velocity method which involved measuring a Doppler shift in the spectrum of the star. Explain how an orbiting planet causes a Doppler shift in the spectrum of a star. ...
... The initial discovery of the planet was made using the radial velocity method which involved measuring a Doppler shift in the spectrum of the star. Explain how an orbiting planet causes a Doppler shift in the spectrum of a star. ...
The Unified Theory of Stellar Evolution
... During a supernova, a massive star transitions from an exothermic star to an endothermic star. An exothermic star releases energy (sunlight/starlight) through the process of nuclear fusion. An endothermic ...
... During a supernova, a massive star transitions from an exothermic star to an endothermic star. An exothermic star releases energy (sunlight/starlight) through the process of nuclear fusion. An endothermic ...
Chapter 3 Cosmology 3.1 The Doppler effect
... in Andromeda that he had identified. He then used data obtained on Cepheid variables of known absolute magnitudes to find the absolute magnitude and hence the distance to each Cepheid variable in Andromeda. He found that Andromeda is about 900 kiloparsec away, far beyond the Milky Way galaxy which w ...
... in Andromeda that he had identified. He then used data obtained on Cepheid variables of known absolute magnitudes to find the absolute magnitude and hence the distance to each Cepheid variable in Andromeda. He found that Andromeda is about 900 kiloparsec away, far beyond the Milky Way galaxy which w ...
The Bible and big bang cosmology
... “The stars of our own galaxy, the Milky Way, rotate about the galactic center with different speeds, the inner ones rotating faster than the outer ones. The observed rotation speeds are so fast that if our galaxy were more than a few hundred million years old, it would be a featureless disc of stars ...
... “The stars of our own galaxy, the Milky Way, rotate about the galactic center with different speeds, the inner ones rotating faster than the outer ones. The observed rotation speeds are so fast that if our galaxy were more than a few hundred million years old, it would be a featureless disc of stars ...
Astronomy
... 6. You just got off a plane in an unknown location somewhere in the Northern Hemisphere. Once you locate Polaris in your sky, how can you use that to figure out your latitude? Your latitude will be the same as how high Polaris is above the northern horizon. We are at 40 degrees latitude and Polaris ...
... 6. You just got off a plane in an unknown location somewhere in the Northern Hemisphere. Once you locate Polaris in your sky, how can you use that to figure out your latitude? Your latitude will be the same as how high Polaris is above the northern horizon. We are at 40 degrees latitude and Polaris ...
Lesson Plan - ScienceA2Z.com
... contains the signs of the zodiac. In space, most of the stars we see have little or no relation to one another, but can appear to be grouped in the night sky. A star pattern may be widely known but may not be recognized by the International Astronomical Union; such a pattern of stars is called an as ...
... contains the signs of the zodiac. In space, most of the stars we see have little or no relation to one another, but can appear to be grouped in the night sky. A star pattern may be widely known but may not be recognized by the International Astronomical Union; such a pattern of stars is called an as ...
The Sun - Super Teacher Worksheets
... “solar energy.” They’re probably talking about the technology that powers a house or heats a swimming pool. But there’s only one place that you can find true “solar energy”—the sun! Without the sun, there wouldn’t be life on earth. The sun provides us with both light and heat. It’s at the very cente ...
... “solar energy.” They’re probably talking about the technology that powers a house or heats a swimming pool. But there’s only one place that you can find true “solar energy”—the sun! Without the sun, there wouldn’t be life on earth. The sun provides us with both light and heat. It’s at the very cente ...
PH607 – Galaxies 2
... molecular clouds which orbit the Centre in a ring with an inner radius of about 2 pc. Hot dust is also observed. 3.. Strong magnetic fields (milliGauss) as compared to elsewhere in the Galaxy 4.. A compact radio source called SgrA* which is quite unlike any another radio source in the Galaxy. 5.. Ra ...
... molecular clouds which orbit the Centre in a ring with an inner radius of about 2 pc. Hot dust is also observed. 3.. Strong magnetic fields (milliGauss) as compared to elsewhere in the Galaxy 4.. A compact radio source called SgrA* which is quite unlike any another radio source in the Galaxy. 5.. Ra ...
The Zodiac - Alchemical.org
... It seems unlikely that Pollux has brightened since Bayer's time (1572-1625). Pollux is an orange-coloured, giant K star. Castor and Pollux were the twin sons of Leda in classical mythology. Castor: The second-brightest star in the constellation. Its magnitude as seen by the naked eye is 1.6, but thi ...
... It seems unlikely that Pollux has brightened since Bayer's time (1572-1625). Pollux is an orange-coloured, giant K star. Castor and Pollux were the twin sons of Leda in classical mythology. Castor: The second-brightest star in the constellation. Its magnitude as seen by the naked eye is 1.6, but thi ...
ph512-11-lec5
... motion that cause the positions to change with time, and corrections to the positions due to distortions in the optics, atmosphere refraction, and aberration caused by the Earth’s motion. Astronomers use astrometric techniques for the tracking of nearEarth objects. It has been also been used to dete ...
... motion that cause the positions to change with time, and corrections to the positions due to distortions in the optics, atmosphere refraction, and aberration caused by the Earth’s motion. Astronomers use astrometric techniques for the tracking of nearEarth objects. It has been also been used to dete ...
Learning About Stars
... remember that Earth is doing A LOT of moving around. In this satellite photo, we can see the line of light and shadow that makes day and night. http://yoga108.org/images/blog/2006/earth_day_night_big.jpg ...
... remember that Earth is doing A LOT of moving around. In this satellite photo, we can see the line of light and shadow that makes day and night. http://yoga108.org/images/blog/2006/earth_day_night_big.jpg ...
PHYS-638-07f: Problem set #0 Solutions
... Remembering that the brightest stars are around magnitude zero, we see that the sun would still be a very bright star, about 10,000 times brighter than the brightest actual star! (Since m=-10 is 10 magnitudes brighter than m=0, and each difference of 5 in magnitude represents a factor 100 in brightn ...
... Remembering that the brightest stars are around magnitude zero, we see that the sun would still be a very bright star, about 10,000 times brighter than the brightest actual star! (Since m=-10 is 10 magnitudes brighter than m=0, and each difference of 5 in magnitude represents a factor 100 in brightn ...
the curious incident of the dog in the night-time
... Astronomical compact objects that include black holes, neutron stars, and white dwarfs, are thought to result from the explosive death of normal stars (supernovae). What controls which compact object forms is the original mass of the progenitor star. Black holes originate from the collapse of the mo ...
... Astronomical compact objects that include black holes, neutron stars, and white dwarfs, are thought to result from the explosive death of normal stars (supernovae). What controls which compact object forms is the original mass of the progenitor star. Black holes originate from the collapse of the mo ...
What do “yellowballs” have to do with the birth of new stars?
... wind moves at velocities of several hundred kilometers/second. ...
... wind moves at velocities of several hundred kilometers/second. ...
Refuges for Life in a - University of Arizona
... solar system orbit the sun. The halo and thick disk tend to contain older, metal-poor stars; it is unlikely that terrestrial planets as large as Earth have formed around them. Stars in the bulge have a wide range of metallicities, but cosmic radiation levels are higher there. The thin disk is the su ...
... solar system orbit the sun. The halo and thick disk tend to contain older, metal-poor stars; it is unlikely that terrestrial planets as large as Earth have formed around them. Stars in the bulge have a wide range of metallicities, but cosmic radiation levels are higher there. The thin disk is the su ...
R136a1
RMC 136a1 (usually abbreviated to R136a1) is a Wolf-Rayet star located at the center of R136, the central condensation of stars of the large NGC 2070 open cluster in the Tarantula Nebula. It lies at a distance of about 50 kiloparsecs (163,000 light-years) in the Large Magellanic Cloud. It has the highest mass and luminosity of any known star, at 265 M☉ and 8.7 million L☉, and also one of the hottest at over 50,000 K.