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Sunrise at Haleakalā. Haleakalā (/ ˌ h ɑː l i ˌ ɑː k ə ˈ l ɑː /; Hawaiian: Hawaiian pronunciation: [ˈhɐlɛˈjɐkəˈlaː]), or the East Maui Volcano, is a massive, active shield volcano that forms more than 75% of the Hawaiian Island of Maui.
Haleakalā National Park is a national park of the United States located on the island of Maui, Hawaii.Named after Haleakalā, a dormant volcano within its boundaries, the park covers an area of 33,265 acres (52.0 sq mi; 134.6 km 2), [1] of which 24,719 acres (38.6 sq mi; 100.0 km 2) is a wilderness area. [3]
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.
The ancient district of Kula. Kula roughly extends from Haleakala Highway (Hawaii Route 37) in the north to Keokea in the south—a distance of about 16 miles (26 km) around 20°47'32" N, 156°19'37" W. [4] The largely rural area known as Upper Kula includes the region up-slope (southeast) from Lower Kula, the more densely populated area spread along the Kula Highway.
[4] At this time, the trail was also marked by guideposts every 500 feet in order to assist travelers finding their way in the fog, which is a common occurrence in the area. [5] In 1935, with the completion of State of Hawaii road 378, the current access to Haleakalā National Park, the Haleakala Trail fell into disuse. [6]
The time of actual sunset is defined in astronomy as two minutes before the upper limb of the Sun disappears below the horizon. [1] Near the horizon, atmospheric refraction causes sunlight rays to be distorted to such an extent that geometrically the solar disk is already about one diameter below the horizon when a sunset is observed.
Williams now holds the record for the woman with the most cumulative time spent on spacewalks, with 62 hours and 6 minutes. NASA astronaut Peggy Whitson was the previous record-holder.
The above relation implies that on the same day, the lengths of daytime from sunrise to sunset at and sum to 24 hours if =, and this also applies to regions where polar days and polar nights occur. This further suggests that the global average of length of daytime on any given day is 12 hours without considering the effect of atmospheric ...