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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 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.
The Maui Space Surveillance Complex (MSSC) [2] is a U.S. Space Force operating location for the 15th Space Surveillance Squadron and the Air Force Research Laboratory (AFRL) at Haleakala Observatory on Maui, Hawaii, with a twofold mission .
ASTER data is used to create detailed maps of surface temperature of land, emissivity, reflectance, and elevation. [1] In April 2008, the SWIR detectors of ASTER began malfunctioning and were publicly declared non-operational by NASA in January 2009. All SWIR data collected after 1 April 2008 has been marked as unusable. [2]
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.
Watch live as the Kilauea volcano erupts on Hawaii's Big Island after a three-month pause. This live feed, which began late on Saturday night local time (10 June) from the, shows lava spewing from ...
Hawaii wildfires burn homes and force evacuations, while strong winds complicate the fight Several schools closed Wednesday amid fires and evacuations 14:39 , Gustaf Kilander
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.