NASA
NASA/NOAA | A Weather Satellite Watches The Sun
GOES is a series of weather satellites providing continuous delivery of real time data helping meteorologists predict weather on Earth with great accuracy. The GOES satellites also look at the Sun and send critical data to space weather...
NASA
NASA | A Black Widow Pulsar Consumes its Mate
Black widow spiders and their Australian cousins, known as redbacks, are notorious for an unsettling tendency to kill and devour their male partners. Astronomers have noted similar behavior among two rare breeds of binary system that...
Next Animation Studio
Japan radiation exposure: a comparison
On March 16th, increased levels of radiation were detected at the Fukushima Daiichi Nuclear Power Plant. Four hundred mSv equate to 40 chest scans. At the gate of the plant, only 1.9mSv were detected on Wednesday.
Weatherthings
Weather Things: The Sun's Role
The 3 simple ingredients of sun, air and water lead to every type of weather on Earth. The atmosphere is constantly trying to balance heat from the sun with water vapor and air to create a dynamic planet. The unique properties of the...
NASA
Five Things about Radiation Donuts
Have more questions about Earth’s radiation donuts? Ask our scientists in the comments below! Join Van Allen Probes scientists Feb. 12 from 1-3 p.m. EST10 a.m. - 12 p.m. PST to get your questions answered! Earth is surrounded by giant,...
NASA
Magnetic Bubbles on the Moon Reveal Evidence of "Sunburn"
Every object, planet or person traveling through space has to contend with the Sun's damaging radiation -- and the Moon has the scars to prove it. Research using data from NASA's ARTEMIS mission — short for Acceleration, Reconnection,...
Healthcare Triage
Going to the Dentist? You Might Not Need Those Bite Wing X-Rays
I'm sure you've heard this when you're sitting in the dentist's chair: "Would you like bitewing X-rays?" They likely recommend them every year. They're painless, they don't take much time, and, they won't cost you penny if you're covered...
Curated Video
Thermoregulation: How the Body Controls Temperature
This video provides an overview of the body's thermoregulation process, which is responsible for maintaining optimal body temperature for enzyme function. The video explains how the brain's thermoregulatory sensor and temperature...
NASA
#EZScience: Exploring the X-ray Universe
By studying X-rays in deep space, we can learn about some of the most violent and extreme objects in the universe, such as black holes and the remains of stars that have exploded. NASA’s Imaging X-Ray Polarimetry Explorer, IXPE, will...
msvgo
The International System of Units
This nugget explains the discovery of International system of units. It also explains SI system in detail.
Next Animation Studio
Mysterious weak spot in the Earth’s magnetic field is spreading: ESA
A mysterious anomaly in the Earth’s magnetic field that stretches from South America to Africa is spreading.
NASA
NASA | OLYMPEX Scientists in the Field: Rachael Kroodsma
Rachael Kroodsma is the instrument scientist for the CoSMIR on board NASA's DC-8 airborne laboratory as part of the OLYMPEX field campaign. From November 10 through December 21, NASA and university scientists are taking to the field to...
NASA
NASA | How Sunlight Pushes Asteroids
Rotating asteroids have a tough time sticking to their orbits. Their surfaces heat up during the day and cool down at night, giving off radiation that can act as a sort of mini-thruster. This force, called the Yarkovsky effect, can cause...
Curated Video
Interactions of Electromagnetic Waves with Charged Particles
In this video, the presenter discusses the interaction between electromagnetic waves and charged particles. The video covers examples of radio waves interacting with electrons and how they can create alternating currents in appropriate...
Astrum
How bad is the radiation on Mars?
How do scientists plan to get astronauts to Mars when space radiation is so strong? What can be done about it?
NASA
Supercharging the Radiation Belts
On March 17, 2015, an interplanetary shock – a shockwave created by the driving force of a coronal mass ejection, or CME, from the sun – struck the outermost radiation belt, triggering the greatest geomagnetic storm of the preceding...
NASA
NASA's Guide To Black Hole Safety
Have you ever thought about visiting a black hole? We sure hope not. However, if you're absolutely convinced that a black hole is your ideal vacation spot, watch this video before you blast off to learn more about them and (more...
NASA
NASA | An Introduction to Aqua
The first in a series of episodes looking at the instruments and applications of the Aqua satellite.
NASA
Parker Solar Probe Trailer
Parker Solar Probe is NASA's mission to the Sun. The spacecraft will launch summer 2018. Music credit: Luminous Skies [Underscore] by Andrew Prahlow Credit: NASA's Goddard Space Flight Center Genna Duberstein (USRA): Lead Producer Steve...
NASA
NASA | Van Allen Probes Reveal Previously Undetected Radiation Belt Around Earth
These two nearly identical spacecraft launched in August 2012 and with only six months in operation, they may well be rewriting science textbooks. The probes study the Van Allen belts, gigantic radiation belts surrounding Earth, which...
Higgsino Physics
Why you can live in Hiroshima but not in Chernobyl
Radiation and fallout in Hiroshima vs in the Chernobyl accident. Hiroshima and Chernobyl both suffered a major atomic disaster, where radioactive atoms was released. Hiroshima was nuked by the uranium fissile atomic bomb, little boy with...
NASA
NASA | Scientists Answer Top Space Weather Questions, Part II
NASA scientists answer some common questions about the sun, space weather, and how they affect the Earth. This is a two-part series. Part Two addresses: 1. Do all flares and CMEs affect the Earth? 2. What happens when a flare or CME hits...
Curated Video
Hazards of Radioactivity: Types of Ionizing Radiation and their Impact on Living Organisms
The video is a lecture on the hazards of radioactivity. It discusses the four main types of ionizing radiation (alpha particles, beta particles, gamma rays, and neutrons), how ionizing radiation can cause tissue damage in living...
NASA
NASA | Glory: Glory's Suncatcher
The Sun's energy is one of the biggest forcings on Earth's climate, and for years satellites have measured total solar irradiance. Glory will continue collection of this critical climate data, which will contribute to the long-term...