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Ground motion hazard map for Hawaii, based on a 2% probability of exceeding 0.2 second spectral acceleration at 5 Hz in 50 years. Spectral acceleration (SA) is a unit measured in g (the acceleration due to Earth's gravity, equivalent to g-force) that describes the maximum acceleration in an earthquake on an object – specifically a damped, harmonic oscillator moving in one physical dimension.
The Air Force Maui Optical and Supercomputing site at Haleakala Observatory in Hawaii. Facilities shown include the Advanced Electro-Optical Telescope, the Maui Space Surveillance System, and one of three Ground-based Electro-Optical Deep Space Surveillance sites.
The primary scientific driver of SpeX was to provide maximum simultaneous wavelength coverage at a spectral resolving power which is well-matched to many planetary, stellar and galactic features, and at resolving power which adequately separates sky emission lines and disperses sky continuum.
In spectroradiometry, spectral features can be recognized and quantified by making use of the spectra containing different parameters measured by spectroradiometers. [2] The most widely used spectral parameter in spectroradiometry for applications in geosciences is reflectance. [2] [7] Spectroradiometry can be imaging and non-imaging in practice.
As artificial light forms a light cloud above the land, the excess light disrupts the clear pictures taken by the telescopes. On July 1, 2013, the Hawaii Night Sky Protection Act was initiated, affecting both the Big Island and Maui. A large difference between the Hawaiian islands and the mainland United States can be observed: street lighting.
Deadly wildfires have been raging across Hawaii and the island of Maui County - here’s what we know so far
The Haleakalā Observatory, also known as the Haleakalā High Altitude Observatory Site, is Hawaii's first astronomical research observatory. [1] It is located on the island of Maui and is owned by the Institute for Astronomy of the University of Hawaiʻi, which operates some of the facilities on the site and leases portions to other organizations.
Fatalities confirmed on Maui as firefighters struggle to bring devastating wildfires under control, Bevan Hurley reports