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Wasps Threaten Hawaiian Forests
On the Hawaiian island Maui, more rain falls on the northern slopes than the southern slopes, producing a dramatic difference in forest types on the island’s flanks. The drier, southern slopes are home to forests that are often dominated by…
Cassini Significant Events — 06/08/06 – 06/14/06
Cassini Significant Events — 06/08/06 – 06/14/06 June 16, 2006 (Source: Cassini Project) The most recent spacecraft telemetry was acquired Wednesday, June 14, fromthe Goldstone tracking stations. The Cassini spacecraft is in an excellentstate of health and is operating normally.…
Dust Storm over the Aral Sea
Straddling the border between Kazakhstan in the north and Uzbekistan in the south, the Aral Sea was once the fourth-largest lake in the world. Soviet-era irrigation diverted water, shrinking the Sea to less than half of its 1960 extent. Even…
High and Low Tides in Bay of Fundy
Tucked into a pocket between the Canadian provinces of New Brunswick and Nova Scotia, the Bay of Fundy is famous for having dramatic differences between its high and low tides. In fact, the tides observed here are tied with Ungava…
Hubble Eyes Star Birth in the Extreme
Staring into the crowded, dusty core of two merging galaxies, NASA’s Hubble Space Telescope has uncovered a region where star formation has gone wild. The interacting galaxies appear as a single, odd-looking galaxy called Arp 220. The galaxy is a…
Tropical Storm Alberto
Alberto began as a tropical depression on the morning of June 10, 2006, having formed from an area of low air pressure over the northwestern Caribbean Sea. This depression moved generally northwestward through the Yucatan Channel between western Cuba and…
Sunglint Features, Lake Erie, United States
Sunglint results when the Sun’s light bounces off the water’s surface and into the satellite sensor or camera. In this astronaut photograph, taken near noon on May 28th, 2006, sunglint highlights features on the surface of Lake Erie, about 50…
Machaba Balu Preserve, Florida
In northeastern Florida, just north of fast-growing Jacksonville, the Nassau, the St. Marys, and the St. Johns Rivers flow lazily toward the Atlantic Ocean through a broad maze of islands, canals, and tidal marshes. Hammocks of land rise above the…
Ocean Vortex off Western Australia
Scientists recently discovered a huge spinning vortex in the Indian Ocean off the coast of Western Australia near Perth. The circling current is sweeping fish larvae and coastal plants out to sea, says Anya Waite, the biological oceanographer from the…
The Rising Sea Level
Rising or falling sea level can reshape the world’s coastlines and affect some of the most densely populated areas on Earth. Not surprisingly, scientists want to understand sea level as thoroughly as possible. They have discovered that the ocean’s behavior…
Cassini Significant Events — 06/01/06 – 06/07/06
Cassini Significant Events — 06/01/06 – 06/07/06 June 9, 2006 (Source: Cassini Project) The most recent spacecraft telemetry was acquired Wednesday, June 7, fromthe Goldstone tracking stations. The Cassini spacecraft is in an excellentstate of health and is operating normally.…
Remembering Yoram Kaufman
Kaufman served as program manager for NASA’s Earth Observatory from its launch in April 1999, through January 2006.
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Descobertas, missões espaciais, pesquisas e avanços tecnológicos da agência espacial americana.