What is it? - Carmenes - Calar Alto Observatory
... a larger radial velocity reflex motion that could be measured with current technology. ...
... a larger radial velocity reflex motion that could be measured with current technology. ...
Solar Observing Curriculum Guide
... above, we have one data point. To continue, two paths can be taken: a. To complete the lesson in one day, head inside and use provided images of the Sun/sunspots from the SDO. i. The teacher can use the two provided images, or can download fresh images from: http://sdo.gsfc.nasa.gov/data/aiahmi/. Wh ...
... above, we have one data point. To continue, two paths can be taken: a. To complete the lesson in one day, head inside and use provided images of the Sun/sunspots from the SDO. i. The teacher can use the two provided images, or can download fresh images from: http://sdo.gsfc.nasa.gov/data/aiahmi/. Wh ...
Part I Light, Telescopes, Atoms and Stars
... • Digitizes data which is stored rapidly on computers. The images can be manipulated later ...
... • Digitizes data which is stored rapidly on computers. The images can be manipulated later ...
JRASC, June 2014 Issue (PDF, low resolution)
... deviation from the strong equivalence principle at a sensitivity several orders of magnitude greater than ever before available. “Finding a deviation from the strong equivalence principle would indicate a breakdown of general relativity and would point us toward a new, revised theory of gravity,” sa ...
... deviation from the strong equivalence principle at a sensitivity several orders of magnitude greater than ever before available. “Finding a deviation from the strong equivalence principle would indicate a breakdown of general relativity and would point us toward a new, revised theory of gravity,” sa ...
Astrophotography
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.