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...

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...

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...

A mysterious anomaly in the Earth’s magnetic field that stretches from South America to Africa is spreading.

This nugget explains the discovery of International system of units. It also explains SI system in detail.

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...

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...

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...

How do scientists plan to get astronauts to Mars when space radiation is so strong? What can be done about it?

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...

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...

The first in a series of episodes looking at the instruments and applications of the Aqua satellite.<b<b<br/>r/>r/>

Parker Solar Probe is NASA's mission to the Sun. The spacecraft will launch summer 2018.



Music credit: Luminous Skies [Underscore] by Andr

ew Prahlow

Credit: NASA's Goddard
Space Flight Center
Genna...

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,...

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...

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 CM

Es affect the...

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...

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...

Humans have long been shaping Earth's landscape, but now scientists know we can shape our near-space environment as well. A certain type of communications -- very low frequency, or VLF, radio communications -- have been...

When a stream of charged particles known as the solar wind careens into the Moon’s surface at nearly 280 miles per second (450 kilometers per second), it enriches it in ingredients that could make water....

Sun Sends Out Moderate Solar Flare



The sun emitted a moderate solar flare on July 19, 2012, beginning at 1:13 AM EDT and peaking at 1:58 AM. Solar flares are gigantic bursts of radiation that cannot pass through...

Neutron stars are formed from the core of some starrs. Neutron stars generally have a radius of only around 12 km. With masses exceeding 1.4 times that of the Sun, these are some of the densest objects in the Universe. A tablespoonful of...

Depending on the circumstances of death in space, the body could be frozen, dried out, slowly rotting, or decomposing normally. With the increasing interest in space travel, it's important to consider the possibility of death in space...

The video discusses various applications of ionizing radiation in our daily life, including irradiation of food, sterilization of equipment, smoke alarms, thickness gauging, and medical applications like tracers, PET scanners, and cancer...