PhysLink.com Logo
12 Days of Deals
12 Days of Deals

Physics & Astronomy News


<p>ESA Astronauts training in terrestrial lava tubes in Lanzarote during the PANGEA 2016 course. Credit: ESA/L. Ricci</p>
Lava Tubes: Human Habitats on the Moon and Mars?
Lava tubes, underground caves created by volcanic activity, could provide protected habitats large enough to house streets on Mars or even towns on the Moon.
<p>PR Image heic1715a</p>

<p>The binary asteroid 288P (artist’s impression)</p>
Hubble Discovers a Unique Type of Object in the Solar System
Astronomers have observed the intriguing characteristics of an unusual type of object in the asteroid belt between Mars and Jupiter.

<p>Professor Kyoung Jin Choi (left) and Yeon Soo Jung (right) are examining a wearable TEG. As shown right, the output voltage of the W-STEG attached to clothes was measured to be 52.3 mV.</p>
Wearable Solar Thermoelectric Generator
UNIST has introduced a new advanced energy harvesting system, capable of generating electricity by simply being attached to clothes, windows, and outer walls of a building.
<p>How Gravity Can Bend Starlight</p>

<p>This illustration reveals how the gravity of a white dwarf star warps space and bends the light of a distant star behind it.</p>

<p>White dwarfs are the burned-out remnants of normal stars. The Hubble Space Telescope captured images of the dead star, called Stein 2051 B, as it passed in front of a background star. During the close alignment, Stein 2051 B deflected the starlight, which appeared offset by about 2 milliarcseconds from its actual position. This deviation is so small that it is equivalent to observing an ant crawl across the surface of a quarter from 1,500 miles away. From this measurement, astronomers calculated that the white dwarf's mass is roughly 68 percent of the sun's mass.</p>

<p>Stein 2051 B resides 17 light-years from Earth. The background star is about 5,000 light-years away. The white dwarf is named for its discoverer, Dutch Roman Catholic priest and astronomer Johan Stein.</p>
Observation confirms Einsteins general theory of relativity.
Astronomers have used NASA Hubble Space Telescope to repeat a century-old test of Einsteins general theory of relativity


Gravitational Wave Kicks Monster Black Hole Out of Galactic Core
Astronomers have uncovered a supermassive black hole that has been propelled out of the center of a distant galaxy by what could be the awesome power of gravitational waves.
Milky Way-like Galaxies in Early Universe Embedded in 'Super Halos'
By harnessing the extreme sensitivity of the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have directly observed a pair of Milky Way-like galaxies seen when the universe was only eight percent of its current age.
Finding the 'Ghost Particles' Might be More Challenging
Results from the NEOS experiment on sterile neutrinos differ partly from the theoretical expectations.

Science Facts

Wernher Von Braun

by NASA Marshall Space Flight Center and ScienceIQ.com

Wernher Von Braun: Image Courtesy NASA Wernher Von Braun was one of the world's first and foremost rocket engineers and a leading authority on space travel. His will to expand man's knowledge through the exploration of space led to the development of the Explorer satellites, the Jupiter and Jupiter-C rockets, Pershing, the Redstone rocket, Saturn rockets, and Skylab, the world's first space station. Additionally, his determination to 'go where no man has gone before' led to mankind setting foot on the moon.

Living in Huntsville, Alabama from 1950 to 1970, Dr. von Braun first directed the technical development of the U.S. Army's ballistic missile program at Redstone Arsenal, and later served as Director of NASA's Marshall Space Flight Center. When he transferred to Washington, D.C., he left Huntsville with a rich legacy: the research institutions at the University of Alabama in Huntsville, the Alabama Space and Rocket Center, and the Von Braun Civic Center.


Hubble Space Telescope in orbit as seen from the Space Shuttle.
Big Fish

The phrase 'big fish eat little fish' may hold true when it comes to planets and stars. Perhaps as many as 100 million of the sun-like stars in our galaxy harbor close-orbiting gas giant planets like ...
continue reading this fact
Galileo at age 38.
Galileo Thermometers

Every substance has the property of 'mass', which is the basic physical presence of matter. Matter occupies space. A physical mass contained within a physical space produces the physical property of ' ...
continue reading this fact
An artist
Ancient Planet

Long before our Sun and Earth ever existed, a Jupiter-sized planet formed around a sun-like star. Now, almost 13 billion years later, NASA's Hubble Space Telescope has precisely measured the mass of t ...
continue reading this fact


Science Quote

'The important thing is not to stop questioning. Curiosity has its own reason for existing. Never lose a holy curiosity.'

Albert Einstein
(1879-1955)


All rights reserved. © Copyright '1995-'2017 PhysLink.com