News tagged with spectrometer

Protecting astronauts from space radiation

(Phys.org)—The complexities of traveling to and working in space present challenges to astronauts that NASA scientists and engineers have been working on since Neil Armstrong and Buzz Aldrin first stepped ...

Nov 09, 2012
5 / 5 (8) 2 | with audio podcast

Hidden galactic nuclei

(Phys.org) -- At the core of most galaxies including our own Milky Way is a massive black hole. Material falling into the environment of the black hole heats up, and can radiate dramatically, sometimes also ...

Aug 10, 2012
5 / 5 (7) 19 | with audio podcast

Cassini to dip into Enceladus spray again

(Phys.org) -- Less than three weeks after its last visit to the Saturnian moon Enceladus, NASA's Cassini spacecraft returns for an encore. At closest approach on April 14, the spacecraft will be just as low ...

Apr 16, 2012
4.7 / 5 (3) 1 | with audio podcast

Gases drawn into particles stay there

(Phys.org) -- Contrary to expectations, formation and growth of complex organic particles generated during oxidation of volatile organic molecules by ozone and nitrate follows a non-equilibrium path, according ...

Apr 09, 2012
5 / 5 (2) 0 | with audio podcast

Possible water in the atmosphere of a super-Earth

A "super-Earth" is an exoplanet (a planet around another star) whose mass is between about two and ten Earth-masses. Planets larger than this are closer to Uranus and Neptune in size (and perhaps in other ...

Mar 05, 2012
4.6 / 5 (10) 1 | with audio podcast

New picture of atomic nucleus emerges

(PhysOrg.com) -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between ...

Mar 02, 2012
4.3 / 5 (31) 14 | with audio podcast

A bad day on Venus gets even worse

Contrary to its alluring name, Venus is the planet from hell, with an atmosphere so hot, toxic and heavy that any visitor would risk being simultaneously melted, suffocated and crushed.

Feb 29, 2012
5 / 5 (6) 3