Search results for “dust”

ScienceCasts: Desert Dust Feeds Amazon Forests

Visit http://science.nasa.gov/ for more. The Amazon rainforest and the Sahara desert seem utterly different. Yet NASA satellites have discovered a surprising connection that intimately links these two disparate parts of our planet. Click here to see more videos: https://alugha.com/NASA

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

ScienceCasts: Monitoring Air Quality

A global effort to monitor air quality is in the works as the US, Korea, and the European Union prepare to launch geostationary satellites capable of monitoring pollutants and other aerosols. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

The Evolution of the Kuiper Belt | NASA Planetary Sciences

Learn about Neptune's gravitational effect on dust contained in the Kuiper belt and discover how it could help astronomers look for planets around other stars. This video from NASA explores the idea that if would-be alien astronomers were looking for planets around the Sun, they could potentially de

The Formation of Stars | NASA Planetary Sciences

Discover how the James Webb Space Telescope will help us better understand solar system formation in this video from NASA. Images from the Hubble Space Telescope show star-forming regions within the Eagle nebula: visible light images show vast clouds of gas and dust, and infrared images provide a gl

ScienceCasts: A Good Year for Perseid Meteors

This week, Earth passes through a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. Forecasters say the show could be especially good this year because the Moon is nearly new when the shower peaks on Aug. 12-13. Visit http://science.nasa.gov/ for more. Click her

ScienceCasts: Earth Day Meteor Shower

At the end of a day devoted to Earth, people can look to the heavens for a beautiful shower of Lyrid meteors. Visit http://science.nasa.gov/ for more. http://www.nasa.gov/content/earth-right-now/ Click here to see more videos: https://alugha.com/NASA

What Hubble Taught Us About The Planets

Learn about the Hubble Space Telescope's contributions to our scientific understanding of the solar system in this video from NASA. Hubble has studied all of the planets in the solar system except Mercury. Some of Hubble's notable accomplishments include observations of the climate of Venus, dust st

Wind and Radiation on Mars | NASA Planetary Sciences

Discover how and why Curiosity, the Mars rover, measures wind and radiation on Mars. Mars Science Laboratory scientist Ashwin Vasavada describes two of the instruments onboard the rover that study Mars' present environment. The Radiation Assessment Detector (RAD) measures high-energy radiation from

Swift and Hubble Probe an Asteroid Crash

Discover how astronomers determined the unexpected brightening of an asteroid named Scheila was likely the result of an impact with a much smaller asteroid. This video from NASA looks at how the Swift satellite and the Hubble Space Telescope helped astronomers investigate what they thought was an un