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ASTER Level 2 Surface Kinetic Temperature (AST_08) over Kīlauea Crater, Hawaii, acquired on 2025-08-09 at 07:30:32 UTC. The image shows a semi-transparent thermal overlay on an Esri satellite basemap. A concentrated hotspot of temperatures exceeding 100°C is visible near the center of the crater floor, displayed in deep red, surrounded by a gradient of orange and yellow tones indicating elevated but cooler surface temperatures. The surrounding terrain shows ambient temperatures near 0°C. The spatial ex

Exploring AST 08 Surface Kinetic Temperature

This Jupyter Notebook shows users how to find, access, process and display ASTER Level-2 Surface Kinetic Temperature (AST_08) data.
External Resource
Jupyter Notebook
May 14, 2026
image collage of satellite data images of Earth

Finding and Accessing ASTER Version 4 Data

This tutorial provides an outline on how to programmatically search, access, and filter Terra ASTER Version 4 data using the earthaccess Python library.
External Resource
Jupyter Notebook
May 11, 2026
False‑color composite (ASTER bands 4, 6, and 8) of Railroad Valley, Nevada, showing a bright, irregular salt‑flat basin surrounded by dark, rugged mountain terrain.

Exploring ASTER L1T Radiance

This Jupyter Notebook shows users how to find and access ASTER Level-1 Precision Terrain Corrected Registered at Sensor Radiance (AST_L1T) data.
External Resource
Jupyter Notebook
May 8, 2026
SHOWING 8 OF 235

Terra News

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This thumbnail shows a part of the initial screen a user sees when accessing TESViS's FIxed Subset Tool. There is a grapscale map of the world, showing continents in white. In several places over the land masses are green dots representing the location of the more than 3,000 field and flux tower sites whose data is used in the validation of models and remote sensing products.

Data Tool in Focus: TESViS

Terrestrial Ecology Subsetting and Visualization Services (TESViS) supports ecological field research in easy-to-use formats.
Feature Article
June 30, 2023
A headshot of Dr. Eric Wilcox, Research Professor of Atmospheric Science at the Desert Research Institute. Dr. Wilcox, who is wearing glasses and a light blue oxford shirt is standing, arms crossed, before a tree-filled background.

Dr. Eric Wilcox

NASA Earth science data help scientists like Dr. Eric Wilcox investigate how the interaction of aerosols and clouds impacts climate.
Data User Story
June 29, 2023
False color image of fires and smoke in Nova Scotia, Canada on 29 May 2023 from the MODIS instrument aboard the Terra satellite

Fires in Nova Scotia, Canada

Image captured on May 29, 2023, by the MODIS instrument aboard the Terra satellite.
Worldview Image of the Week
June 1, 2023
Headshot of Dr. Helen Poulos, Adjunct Associate Professor in Wesleyan University's College of the Environment

Dr. Helen Poulos

Data from NASA’s Land Processes DAAC help Dr. Helen Poulos understand climate-induced change in the forests of the Southwestern U.S.
Data User Story
May 25, 2023
image of TERRA, AQUA and AURA satellites

Terra, Aqua, and Aura Data Continuity Workshop

The May 23-25, 2023, online workshop will determine needs, evaluate current capabilities, identify gaps, and specify potential actions for NASA’s Terra, Aqua, and Aura mission data.
News
April 30, 2023
Headshot of Dr. Fadji Z. Maina, Associate Research Scientist, Hydrological Sciences Laboratory, NASA Goddard Space Flight Center and the University of Maryland–Baltimore County.

Dr. Fadji Z. Maina

Data from NASA’s NSIDC DAAC help scientists like Dr. Fadji Z. Maina research hydrological change in High Mountain Asia.
Data User Story
April 27, 2023
SHOWING 8 OF 450

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