Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Core Science Systems images.
Example of the Landsat 4-5 TM Collection 2 level-2 science products. Left: Landsat 5 level-2 surface reflectance image. Right: Landsat 5 level-2 surface temperature image. The data was acquired on October 6, 2010 (path 47 row 27).
Example of the Landsat 4-5 TM Collection 2 level-2 science products. Left: Landsat 5 level-2 surface reflectance image. Right: Landsat 5 level-2 surface temperature image. The data was acquired on October 6, 2010 (path 47 row 27).
Example of Landsat 5 Collection 2 data over Bremerton, WA. acquired on October 6, 2010. Left: Level 1 data, middle: Level-2 surface reflectance, right: Level-2 surface temperature.
Example of Landsat 5 Collection 2 data over Bremerton, WA. acquired on October 6, 2010. Left: Level 1 data, middle: Level-2 surface reflectance, right: Level-2 surface temperature.
Remnants of a spruce forest complex following a severe wildfire in the Yukon Flats National Wildlife Refuge, Alaska. Wildfires are the dominant landscape-scale disturbance operating at annual time scales in Alaska, and fires play a major role in the rate and extent of vegetation growth and productivity of a site.
Remnants of a spruce forest complex following a severe wildfire in the Yukon Flats National Wildlife Refuge, Alaska. Wildfires are the dominant landscape-scale disturbance operating at annual time scales in Alaska, and fires play a major role in the rate and extent of vegetation growth and productivity of a site.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Adult red admiral and pearl crescent butterflies drink nectar from a butterfly weed flower in a residential garden.
Adult red admiral and pearl crescent butterflies drink nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
A grey hairstreak butterfly rests on the leaf of a shasta daisy in a residential garden.
An adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
An adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
An adult pearl crescent butterfly drinks nectar from a butterfly weed flower in a residential garden.
A red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
An adult red admiral butterfly drinking nectar from a butterfly weed flower in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A cabbage white butterfly drinking nectar from mint flowers in a residential garden.
A bee forages for pollen on a daisy-like flower in a cultivated garden on a winter day. The daisy is most likely Euryops pectinatus or African bush daisy. Identification assistance provided by Dr Marinda Koekemoer, Taxonomist, National Herbarium (PRE), South African National Biodiversity Institute.
A bee forages for pollen on a daisy-like flower in a cultivated garden on a winter day. The daisy is most likely Euryops pectinatus or African bush daisy. Identification assistance provided by Dr Marinda Koekemoer, Taxonomist, National Herbarium (PRE), South African National Biodiversity Institute.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.
A hollowed out ostrich egg sold as a home decoration or tourist souvenior in southern Africa. This particular egg was on displayed in a basket of hollowed ostrich eggs in the restaurant of a hotel. A hole is made in one end of the egg through which the egg and other fluids are removed while leaving the shell intact.