Telescopes are expensive devices. The Giant Magellan Telescope, currently under construction in the Atacama Desert in Chile, will have a 25-meter mirror at a cost of around $1 billion. The ...

Yan Bétrémieux, Mark R. Swain(Submitted on 2 Jan 2018) Atmospheric regions below a refractive boundary are hidden in limb observations. Refraction thus creates a gray continuum in the planet’s ...

Joseph Gubler, David Tytler, Differential Atmospheric Refraction and Limitations on theRelative Astrometric Accuracy of LargeTelescopes, Publications of the Astronomical Society of the Pacific, Vol.

The features observed in VHS 1256b’s atmosphere include water, methane, carbon monoxide, carbon dioxide, sodium, and potassium. The methane features are not as strong as expected compared to similar ...

One of the main limitations to image quality after wavefront correction comes from atmospheric refraction. An atmospheric dispersion compensator (ADC) is employed to correct for atmospheric refraction ...

For those with advanced telescopes and imaging sensors, this is an exciting opportunity to put your gear to the test. It’s a great chance to experiment with imaging, atmospheric filtering, and ...

Martian astronomy has some advantages. The surface pressure is near 8 millibars — less than 1 percent of Earth’s surface pressure — meaning that atmospheric refraction is insignificant.