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  • A full moon sets above the partially frozen Chilkat River near Haines, Alaska. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Chilkat River setting moon.jpg
  • Sun rises on Denali and the Alaska Range as seen from Wonder Lake in Denali National Park and Preserve in Alaska. Also pictured is the setting moon, above Denali. Denali is North America's tallest peak at 20,310 feet and towers over 18,000 feet above the surrounding lowlands. Other mountain peaks pictured include: Mount Brooks, Mount Silverthrone, Mount Tatum, Mount Carpe and Mount Foraker. SPECIAL NOTE: This image is a panorama composite consisting of multiple overlapping images stitched together.
    Denali sunrise moon panorama.jpg
  • A bald eagle awaits sunrise as the moon sets at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Bald eagle with setting moon.jpg
  • A bald eagle watches the sun rise as the moon sets at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Bald eagle with setting moon-2.jpg
  • Sun rises on Denali and the Alaska Range as seen from Wonder Lake in Denali National Park and Preserve in Alaska. Also pictured is the setting moon, above Denali. Denali is North America's tallest peak at 20,310 feet and towers over 18,000 feet above the surrounding lowlands. Other mountain peaks pictured include: Mount Brooks, Mount Silverthrone, Mount Tatum, Mount Carpe and Mount Foraker. SPECIAL NOTE: This image is a panorama composite consisting of multiple overlapping images stitched together.
    Denali sunrise moon panorama.jpg
  • Sun rises on Denali and the Alaska Range as seen from Wonder Lake in Denali National Park and Preserve in Alaska. Also pictured is the setting moon, above Denali. Denali is North America's tallest peak at 20,310 feet and towers over 18,000 feet above the surrounding lowlands.
    Denali sunrise with moon.jpg
  • A pair of bald eagles perched in a tree near an eagle nest overlooking the Cattail Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Pair of bald eagles with setting moo...jpg
  • A pair of bald eagles perched in a tree overlooking the Cattail Pool at Loess Bluffs NWR (formerly known as Squaw Creek). Loess Bluffs is a wildlife refuge managed by the U.S. Fish and Wildlife Service. The 7,440-acre refuge, located in northwest Missouri is known for the migrating waterfowl, particularly Snow Geese. Fall and Spring migration can bring millions of Snow Geese to the refuge. Also, bald eagles and an occasional golden eagle pass through the area during the fall and winter months. <br />
<br />
The 10-mile auto tour around the waterways and marshes of the refuge is an excellent way to spot birds of prey, waterfowl, beavers, otters, and muskrats.
    Pair of bald eagles with setting moo...jpg
  • A full moon rises above Mount Ernest Gruering and the Herbert Glacier near Juneau, Alaska as the final rays of the sun at sunset baths mountain tops in alpenglow light. The view is from the Alaska Marine Highway System ferry FVF Fairweather as it traveled down the Lynn Canal from Haines.
    Moonrise over Herbert Glacier-2.jpg
  • A full moon rises above Mount Ernest Gruering and the Herbert Glacier near Juneau, Alaska as the final rays of the sun at sunset baths mountain tops in alpenglow light. The view is from the Alaska Marine Highway System ferry FVF Fairweather as it traveled down the Lynn Canal from Haines.
    Moonrise over Herbert Glacier.jpg
  • Under the setting moon, rising sun and a bald eagle flying above, Steve Lewis, Raptor Management Coordinator, U.S. Fish & Wildlife Service (left) and Rachel Wheat, a graduate student at the University of California Santa Cruz wait for bald eagles to land on the traps they set on the gravel bar of the Chilkat River. Each morning under the cover of darkness they would set their traps. The traps are being used to capture bald eagles that will be used in a study being conducted by Wheat. Once the traps are set, it is a matter of waiting -- and waiting. On some days no eagles were caught, on others, only one or two were caught. Wheat is conducting a bald eagle migration study of eagles that visit the Chilkat River for her doctoral dissertation. She hopes to learn how closely eagles track salmon availability across time and space. The bald eagles are being tracked using solar-powered GPS satellite transmitters (also known as a PTT - platform transmitter terminal) that attach to the backs of the eagles using a lightweight harness. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world.
    Bald eagle migration research - 68.jpg
  • The moon sets over the Chilkat River during sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. During late fall, bald eagles congregate along the Chilkat River to feed on salmon. This gathering of bald eagles in the Alaska Chilkat Bald Eagle Preserve is believed to be one of the largest gatherings of bald eagles in the world. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Setting moon on Chilkat River.jpg
  • The moon sets over Four Winds Mountain during sunrise in the Alaska Chilkat Bald Eagle Preserve near Haines, Alaska. One of the largest gatherings of bald eagles in the world occurs in November along the Chilkat River. A close examination of this photo shows approximately 66 bald eagles on the Chilkat River gravel bar. In 1982, the 48,000 acre area was designated as the Alaska Chilkat Bald Eagle Preserve.
    Setting moon on Four Winds Mountain.jpg
  • The moon sets over the Fairweather mountain range in Glacier Bay National Park and Preserve in this view seen from Kidney Island, located in the Beardslee Islands of the park in southeast Alaska.
    Fairweather range moon.jpg
  • The “diamond ring effect” is visible in this photo taken during a total eclipse of the sun. The diamond ring effect, typically lasting only a few seconds, is visible at the beginning and end of totality. It is caused by sunlight passing through the valleys on the moon’s circumference edge, a phenomenon known as Baily’s beads. The diamond of the ring is formed when one of Baily's beads is much brighter than the others.<br />
<br />
Also visible are solar prominences (electric pink in color). Solar prominences are formed from hot hydrogen gas rising from the lower regions of the sun’s atmosphere known as the <br />
chromosphere. Rising from tens of thousands of miles above the sun’s surface, they can be seen past the moon during a total solar eclipse.<br />
<br />
This photo was taken in Columbia Mo. at the Columbia Audubon Nature Sanctuary in Columbia, Mo. on August 21.<br />
<br />
A solar eclipse occurs when a full moon passes between the sun and Earth and blocks the sun when they are in alignment with each other as seen from Earth. The astronomical term for this alignment is known as syzygy.<br />
<br />
The August 21, 2017 eclipse was viewed by millions as it raced across the continental United States from Oregon to South Carolina. The last total eclipse in the continental United States was in 1979. The last total eclipse in Missouri was in 1869. While total solar eclipses will hit any one spot on Earth every 375 years, they take place somewhere about once every 18 months.<br />
<br />
The next total eclipse to have its path through Missouri will occur in 2024.
    Diamond ring effect during total sol...jpg
  • Solar prominences (electric pink in color) are visible in this photo taken during a total eclipse of the sun. Solar prominences are formed from hot hydrogen gas rising from the lower regions of the sun’s atmosphere known as the chromosphere. Rising from tens of thousands of miles above the sun’s surface, they can be seen past the moon during a total solar eclipse.<br />
<br />
Also visible is the white corona that surrounds the sun. This photo was taken in Columbia Mo. at the Columbia Audubon Nature Sanctuary in Columbia, Mo. on August 21.<br />
<br />
A solar eclipse occurs when a full moon passes between the sun and Earth and blocks the sun when they are in alignment with each other as seen from Earth. The astronomical term for this alignment is known as syzygy.<br />
<br />
The August 21, 2017 eclipse was viewed by millions as it raced across the continental United States from Oregon to South Carolina. The last total eclipse in the continental United States was in 1979. The last total eclipse in Missouri was in 1869. While total solar eclipses will hit any one spot on Earth every 375 years, they take place somewhere about once every 18 months.<br />
<br />
The next total eclipse to have its path through Missouri will occur in 2024.
    Solar prominences during total solar...jpg