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This video explains albedo - the concept that the brightness of the Earth system (atmosphere, ocean, and land surfaces) determines how much incoming solar energy is immediately reflected back to space. Reflected shortwave energy and land albedo... (View More)
This slide set focuses on the first discovery of an Earth-like planet orbiting a Sun-like star. It is one of a series of short, topical presentations on new developments from NASA astrophysics missions, relevant to introductory astronomy topics.... (View More)
This slide set focuses on the discovery of a massive dust cloud in a supernova remnant. It is one of a series of short, topical presentations on new developments from NASA astrophysics missions, relevant to introductory astronomy topics. These... (View More)
The pedosphere (soil) is the focus of this GLOBE eTraining program module. Protocols for investigating soil temperature, moisture, characterization, density and infiltration are explained. In addition, each module includes interactive digital field... (View More)
The hydrosphere (water, ice, and vapor) is the focus of this GLOBE eTraining module. Protocols for investigating many characteristics of water such as temperature, transparency, electrical conductivity, pH, dissolved oxygen, salinity, nitrates, and... (View More)
Each of us is made from star stuff. But how are stars formed? Take a closer look at the life cycles of stars and learn where stars come from, how they've changed, and what happens to stars when their lives come to an end. Find out about your... (View More)
Using an online interactive platform, learners will explore our solar system from the perspective of the Sun. They will observe the motion of different worlds to determine their location in the solar system. Then they will launch probes to search... (View More)
The basic chemistry of water, along with a brief glimpse into water's origin on Earth, are discussed in this two page article. The article can be used as a "reading to be informed" activity in a stand-alone fashion or can be incorporated into a... (View More)
This online repository includes captioned images designed to tell a story about the science of light. Developed for the United Nation's International Year of Light 2015 (IYL2015), the images showcase the incredible variety of light-based science... (View More)
Twice each day, once during daytime and once at sunset, students observe sky color, visibility, and sky conditions over a one week period. Each observation is recorded on a sky report form (included) for follow-up discussions and comparisons. This... (View More)
