Tuesday, June 25, 2013

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Five years of stereo imaging for NASA's TWINS

Posted: 24 Jun 2013 11:16 AM PDT

Surrounding Earth is a dynamic region called the magnetosphere. The region is governed by magnetic and electric forces, incoming energy and material from the sun, and a vast zoo of waves and processes unlike what is normally experienced in Earth-bound physics. Nestled inside this constantly changing magnetic bubble lies a donut of charged particles generally aligned with Earth's equator. Known as the ring current, its waxing and waning is a crucial part of the space weather surrounding our planet, able to induce magnetic fluctuations on the ground as well as to transmit disruptive surface charges onto spacecraft.

Messier 61 looks straight into Hubble's camera

Posted: 24 Jun 2013 11:13 AM PDT

The NASA/ESA Hubble Space Telescope has captured a new image of nearby spiral galaxy Messier 61, also known as NGC 4303. The galaxy, located only 55 million light-years away from Earth, is roughly the size of the Milky Way, with a diameter of around 100,000 light-years.

Billion-pixel view of Mars comes from Curiosity rover

Posted: 24 Jun 2013 10:52 AM PDT

A billion-pixel view from the surface of Mars, from NASA's Mars rover Curiosity, offers armchair explorers a way to examine one part of the Red Planet in great detail.

Mystery of the gigantic storm on Saturn

Posted: 24 Jun 2013 04:57 AM PDT

We now understand the nature of the giant storms on Saturn. Through the analysis of images as well as the computer models of the storms and the examination of the clouds therein, astronomers have managed to explain the behavior of these storms for the very first time.
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