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NASA
Hubble Observes Atmospheres of TRAPPIST-1 Exoplanets in the Habitable Zone
Astronomers using the Hubble Space Telescope have conducted the first spectroscopic survey of Earth-sized planets in the TRAPPIST-1 system's habitable zone. Hubble reveals that at least the inner five planets do not seem to...
NASA
Exploring Our Solar System with Dr. Amy Simon
Dr. Amy Simon has always been fascinated with space. From a young age she dreamed of lifting off in the space shuttle, just like her hero, astronaut Sally Ride. Over the years her interest in space remained, and...
Professor Dave Explains
Practice Problem: Density of a Gas
If we can use the ideal gas law to find the molar mass of a gas and therefore identify the gas, what can we do with the density of a gas? Well, pretty much the same thing, it just involves one extra calculation, so let's give it a try!
Catalyst University
General Chemistry | Ideal Gas Law (PV=nRT) [Example #1]
In this video, we will do an example calculation using the ideal gas equation of state, PV=nRT. [Solving for volume, V]
NASA
Hubble Makes First Measurements of Earth-Sized Exoplanet Atmospheres
On May 4th, 2016, the Hubble Space Telescope made the first spectroscopic measurements of two of the three known Earth-sized exoplanets in the TRAPPIST-1 system just 40 light-years away.
Music credit: "Feels Good" by...
Music credit: "Feels Good" by...
Science for Kids
Science Kids: Chemistry Video: Gas Basics Video
Learn the basics of gas and pressure. [3:22]