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NASA Pictures - UPDATING
- Thread starter lkdood
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The atmosphere brims with tiny aerosol particles--such as sea salt, sulfates, and dust--that come from both natural and human activities. Though they aren't always visible to the human eye, satellite sensors can reveal global patterns. This image, created using NASA MODIS data highlights the global distribution of the particles.
Along with marine aerosols, mineral dust from deserts is one of the largest sources of aerosols in the atmosphere. Dust is typically comprised of a variety of minerals, each with different light-scattering properties, making it hard to determine their impact on climate. While large dust particles often settle quickly back to earth, intense dust storms can inject particles high into the atmosphere, where fast-blowing winds can carry them thousands of miles in a short time.
Vast sand seas cover much of the Arabian Peninsula. This picture shows dust plumes blowing southeast from Oman over the Arabian Sea. A look at the higher resolution images reveals some patterns in the blown dust, likely created by the wind. The plumes of sand are being blown over Masirah Island, from the approximate direction of an inland salt flat. Slightly to the north are the Wahiba Sands.
power of the sun
Clouds of tan and blue and green line Italy’s eastern shore in this natural-color image from April 6, 2010. The color is sediment billowing out from the shore into the Adriatic Sea. High concentrations of sediment are tan. As the dirt disperses, the water turn pale blue green.
Hubble has snapped a spectacular view of M 66, the largest "player" of the Leo Triplet, and a galaxy with an unusual anatomy: it displays asymmetric spiral arms and an apparently displaced core. The peculiar anatomy is most likely caused by the gravitational pull of the other two members of the trio.
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