NASA
A Trip Through Time With Landsat 9
For half a century, the Landsat mission has shown us Earth from space. Now, come along with us on a "roadtrip" through the decades to see how the technology on this NASA and U.S. Geological Survey partnership has evolved with the times...
NASA
A New Kind of Explosion on the Sun
Scientists have just seen a new type of magnetic explosion, known as forced or controlled magnetic reconnection. Music credit: Light Hearted Angst by Dewey Dellay Video credit: NASA's Goddard Space Flight Center Genna Duberstein (USRA):...
NASA
NASA Satellite Measures Human Impact in Water Storage
To investigate humans’ impact on freshwater resources, scientists have now conducted the first global accounting of fluctuating water levels in Earth’s lakes and reservoirs – including ones previously too small to measure from space....
NASA
How NASA Satellites Help Model the Future of Climate
Continuing key observations of the Earth is really important to see how our atmosphere, land and oceans are changing over time. A long-term record, combined with cutting edge observations from the new NASA Earth System Observatory, will...
NASA
Hubble Directly Images Possible Plumes on Europa
NASA's Hubble Space Telescope took direct ultraviolet images of the icy moon Europa transiting across the disk of Jupiter. Out of ten observations, Hubble saw what may be water vapor plumes on three of the images. This adds another piece...
NASA
A Total Solar Eclipse Revealed Solar Storms 100 Years Before Satellites
Eclipses set the stage for historic science. NASA is taking advantage of the Aug. 21, 2017 eclipse by funding 11 ground-based scientific studies. As our scientists prepare their experiments for next week, we're looking back to an...
NASA
Discovering Eurybates' Satellite
On Jan. 9, 2020, the Lucy Mission officially announced that it would be visiting not seven, but eight asteroids. As it turns out, Eurybates, one of the asteroids along Lucy’s path, has a small satellite. Shortly after the Lucy team...
Mazz Media
Prepare and Observe a Microscope Slide
In this live-action program viewers will learn how to prepare a microscope slide properly. Students will come to understand that when making scientific observations, your methods and observations must be clear to other scientists, so it...
NASA
Connect the Drops with NASA Data
The varied landscapes of the United States have unique relationships with water. On the East Coast, rain is a regular occurrence. In the West, drought is a constant threat. Rivers and lakes fed by rainfall, snowmelt or a mix of both...
Curated Video
The Doppler Effect and the Big Bang Theory
The video discusses the Doppler effect, which is the apparent change in the wavelength of a wave when the source of the wave moves relative to the observer. The narrator explains how the Doppler effect can be observed in everyday life...
Visual Learning Systems
Using the Scientific Method: Test Results and Conclusions
This informative and understandable program uses practical examples to help students understand and use the components of the scientific method. Concepts and terminology: hypothesis, experiment, measuring, data, analysis, and conclusion.
Mister Simplify
Sheldon's Personality Theory - Simplest explanation Ever
William Sheldon's Personality Theory or Body Type Theory Sheldon's Personality or Body type theory tries to link people's personalities with their body types. It is interesting to look at Sheldon's perspective on body types and their...
NASA
NASA | Earth Observing Landsat 5 Turns 25 Years Old
On March 1, the Earth-observing Landsat 5 satellite celebrated 25 years in orbit. Twenty-two years beyond its primary mission lifetime, Landsat 5 is still going strong, making it a keystone of the 37-year Landsat Program. Among Landsat...
Curated Video
The Theory of Evolution and its Challenges: Darwin, Lamarck, and the Science Behind Adaptation
This video discusses Charles Darwin's theory of evolution and how it was received at the time it was published. It starts with Darwin's observations during his world expedition in the 19th century, particularly on the finches of the...
NASA
NASA's Hubble Memorable Moments: Comet Impact
In July 1994, the Hubble Space Telescope was poised to use its newly fixed optics to observe one of the most impressive astronomical events of the century - the 21 fragments of Comet Shoemaker-Levy 9 impacting Jupiter. But these...
NASA
NASA | Observing the 2015 El Niño
People the world over are feeling, or soon will feel, the effects of the strongest El Niño event since 1997-98, currently unfolding in the eastern equatorial Pacific Ocean. New satellite observations are beginning to show scientists its...
NASA
NASA | Megadroughts Projected for American West
NASA scientists used tree rings to understand past droughts and climate models incorporating soil moisture data to estimate future drought risk in the 21st century.
NASA
NASA | ATREX Studies Earth's Ultra-High Super Wind
High in the sky, 60 to 65 miles above Earth's surface, winds rush through a little understood region of Earth's atmosphere at speeds of 200 to 300 miles per hour. Lower than a typical satellite's orbit, higher than where most planes fly,...
Curated Video
Describing Data (Part 2)
Describe a data distribution (number of observations, median, range, mode, maximum and minimum).
Let's Tute
Calculating Mean of Group Data using Step Deviation Method
This video explains how to find the mean of group data using the step deviation method in statistics. It provides a step-by-step guide to organizing the data, calculating mid-values and frequencies, and using the formula to find the...
msvgo
Median of Grouped Data
It explains how to compute the median of continuous frequency distribution and conversion of "less than" type and "more than" type data into cumulative frequency distribution.
Curated Video
Determining Observations in Data through Histograms and Line Plots
In this video, the teacher explains how to determine the number of observations in a set of data by analyzing histograms and line plots. The importance of sample size is emphasized, as a larger sample provides a clearer picture of the...
NASA
NASA’s TESS Delivers New Insights Into an Ultrahot World
Measurements from NASAs Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of the bizarre environment of KELT-9 b, one of the hottest planets known. Located about 670 light-years...
Curated Video
Calculating and Understanding the Mean
Understand and Calculate the mean of a data set.