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ASTR 104.3 - University of Saskatchewan
... 3. Apply theory of atoms and spectra to the Sun and explain physical features such as its temperature and chemical composition, sunspots, its 11- and 22-year cycles, and the source of solar energy Module 6: Moon and Mercury 1. Explore similarities and differences between the Moon and Mercury, such a ...
... 3. Apply theory of atoms and spectra to the Sun and explain physical features such as its temperature and chemical composition, sunspots, its 11- and 22-year cycles, and the source of solar energy Module 6: Moon and Mercury 1. Explore similarities and differences between the Moon and Mercury, such a ...
astro2_lec1 - Astronomy & Astrophysics Group
... Hubble then embarked on a systematic classification of nearby galaxies. He identified three main types: o Spirals o Ellipticals o Irregulars The spirals also subdivide into barred and unbarred ...
... Hubble then embarked on a systematic classification of nearby galaxies. He identified three main types: o Spirals o Ellipticals o Irregulars The spirals also subdivide into barred and unbarred ...
Physics 1025: Lecture 18 Stellar Magnitudes, Absolute Magnitudes
... instantaneous detector. Eye estimates of brightness are called visual magnitudes, mv It is better to use photographs which can have long exposures and thus integrate up the light; these are typically quoted for one specific wavelength. So we have photographic magnitudes, m p, picked to measure e.g. ...
... instantaneous detector. Eye estimates of brightness are called visual magnitudes, mv It is better to use photographs which can have long exposures and thus integrate up the light; these are typically quoted for one specific wavelength. So we have photographic magnitudes, m p, picked to measure e.g. ...
Angular Measurement
... • If the Moon were twice as far away, it would appear half as big—15´ across—even though its actual size would be the same. • Thus, angular size by itself is not enough to determine the actual diameter of an object—the distance must also be known. ...
... • If the Moon were twice as far away, it would appear half as big—15´ across—even though its actual size would be the same. • Thus, angular size by itself is not enough to determine the actual diameter of an object—the distance must also be known. ...
Full 11x8.5" Calendar, High Resolution - Chandra X
... The intense gravity of a supermassive black hole can be tapped to produce immense power in the form of jets moving at millions of miles per hour. A composite image shows this happening in the galaxy known as 4C+29.30 where X-rays from Chandra (blue) have been combined with optical (gold) and radio ( ...
... The intense gravity of a supermassive black hole can be tapped to produce immense power in the form of jets moving at millions of miles per hour. A composite image shows this happening in the galaxy known as 4C+29.30 where X-rays from Chandra (blue) have been combined with optical (gold) and radio ( ...
Collaborative Research Projects for Amateur Astronomers
... Detection of Extra-Solar Planets: STARE Telescope (currently in Canary Islands) The current STARE telescope, as of July, 1999, is a field-flattened Schmidt working aperture of 4 in, (f/2.9). The telescope is coupled to a Pixelvision 2K x 2K CCD (Charge-Coupled Device) camera to obtain images with a ...
... Detection of Extra-Solar Planets: STARE Telescope (currently in Canary Islands) The current STARE telescope, as of July, 1999, is a field-flattened Schmidt working aperture of 4 in, (f/2.9). The telescope is coupled to a Pixelvision 2K x 2K CCD (Charge-Coupled Device) camera to obtain images with a ...
Big Universe, Big Data: Machine Learning and
... TB of images being produced per night, efficient and accurate detection will be a major challenge. Figure 1 shows how data rates have increased and will continue to increase as new surveys are initiated. What do the data look like? Surveys usually make either spectroscopic or photometric observation ...
... TB of images being produced per night, efficient and accurate detection will be a major challenge. Figure 1 shows how data rates have increased and will continue to increase as new surveys are initiated. What do the data look like? Surveys usually make either spectroscopic or photometric observation ...
- ORIGINS Space Telescope
... THE RISE OF METALS OST will utilize the unique power of the infrared fine-structure emission lines to trace the rise of metals from the first galaxies until today. The present day Universe is rich in metals heavier than helium that enable efficient cooling of gas in the ISM in order to form stars, c ...
... THE RISE OF METALS OST will utilize the unique power of the infrared fine-structure emission lines to trace the rise of metals from the first galaxies until today. The present day Universe is rich in metals heavier than helium that enable efficient cooling of gas in the ISM in order to form stars, c ...
Astrophotography
![](https://commons.wikimedia.org/wiki/Special:FilePath/Orion_Belt.jpg?width=300)
Astrophotography is a specialized type of photography for recording images of astronomical objects and large areas of the night sky. The first photograph of an astronomical object (the Moon) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography. Besides being able to record the details of extended objects such as the Moon, Sun, and planets, astrophotography has the ability to image objects invisible to the human eye such as dim stars, nebulae, and galaxies. This is done by long time exposure since both film and digital cameras can accumulate and sum light photons over these long periods of time. Photography revolutionized the field of professional astronomical research, with long time exposures recording hundreds of thousands of new stars and nebulae that were invisible to the human eye, leading to specialized and ever larger optical telescopes that were essentially big cameras designed to collect light to be recorded on film. Direct astrophotography had an early role in sky surveys and star classification but over time it has given way to more sophisticated equipment and techniques designed for specific fields of scientific research, with film (and later astronomical CCD cameras) becoming just one of many forms of sensor.Astrophotography is a large sub-discipline in amateur astronomy where it is usually used to record aesthetically pleasing images, rather than for scientific research, with a whole range of equipment and techniques dedicated to the activity.