News tagged with mass ejections

Sun delivered curveball of powerful radiation at Earth

A potent follow-up solar flare, which occurred Friday (Jan. 17, 2012), just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade, delivered a powerful radiation punch ...

Space & Earth / Space Exploration

created Feb 01, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

SwRI-led RAD measures radiation from solar storm

The largest solar particle event since 2005 hit the Earth, Mars and the Mars Science Laboratory spacecraft travelling in-between, allowing the onboard Radiation Assessment Detector to measure the radiation a human astronaut ...

Space & Earth / Space Exploration

created Jan 28, 2012 | popularity 5 / 5 (1) | comments 0

Classifying solar eruptions

(PhysOrg.com) -- Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ...

Space & Earth / Space Exploration

created Jan 26, 2012 | popularity 5 / 5 (3) | comments 0

Flights rerouted as massive solar storm slams Earth

Solar radiation from a massive sun storm -- the largest in nearly a decade -- collided with the Earth's atmosphere, prompting an airline to reroute flights and skywatchers to seek out spectacular light displays.

Space & Earth / Space Exploration

created Jan 25, 2012 | popularity 4.7 / 5 (3) | comments 0

Can solar flares hurt astronauts?

Solar flares, coronal mass ejections, high-energy photons, cosmic rays… space is full of various forms of radiation that a human wouldn’t want to be exposed to for very long. Energized particles ...

Space & Earth / Space Exploration

created Jan 24, 2012 | popularity 4.7 / 5 (3) | comments 0

NRL's SoloHI instrument selected for flight on solar orbiter mission

The Naval Research Laboratory's Solar Orbiter Heliospheric Imager (SoloHI), part of the Solar Orbiter mission, is headed for space. The European Space Agency (ESA) has chosen the Solar Orbiter mission as the ...

Space & Earth / Space Exploration

created Jan 24, 2012 | popularity not rated yet | comments 0

SDO helps measure magnetic fields on the sun's surface

(PhysOrg.com) -- Science nuggets are a collection of early science results, new research techniques, and instrument updates that further our attempt to understand the sun and the dynamic space weather system ...

Space & Earth / Space Exploration

created Jan 20, 2012 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

NASA Goddard spacecraft cleanroom goes green

When it launches in 2014, NASA's new Magnetospheric Multiscale (MMS) mission will give scientists unprecedented insights into a little-understood physical process at the heart all space weather. This process, ...

Space & Earth / Space Exploration

created Jan 14, 2012 | popularity 3 / 5 (4) | comments 0

Preparing for future human exploration, RAD measures radiation on journey to Mars

The Radiation Assessment Detector, the first instrument on NASA's next rover mission to Mars to begin science operations, was powered up and began collecting data Dec. 6, almost two weeks ahead of schedule. ...

Space & Earth / Space Exploration

created Dec 13, 2011 | popularity 5 / 5 (4) | comments 6

Beautiful red Aurora

(PhysOrg.com) -- A coronal mass ejection (CME) shot off the sun late in the evening of October 21 and hit Earth on October 24 at about 2 PM ET. The CME caused strong magnetic field fluctuations near Earth's ...

Space & Earth / Space Exploration

created Oct 27, 2011 | popularity 5 / 5 (1) | comments 1

Sunspot 1302: It's big. It's bad. And it's coming our way

(PhysOrg.com) -- Behemoth sunspot 1302 unleashed another strong flare on Saturday morning--an X1.9-category blast at 5:40 am EDT. NASA's Solar Dynamics Observatory (SDO) recorded the extreme ultraviolet flash.

Space & Earth / Space Exploration

created Sep 26, 2011 | popularity 5 / 5 (8) | comments 13

An X1.4 Solar Flare and a CME

(PhysOrg.com) -- A large coronal mass ejection (CME) shot off the West (right) side of the sun at 6:24 PM ET on September 21, 2011. The CME is moving away from Earth at about 900 miles per second.

Space & Earth / Space Exploration

created Sep 23, 2011 | popularity 4.7 / 5 (3) | comments 2

Six coronal mass ejections in 24 hours

The sun let loose with at least six coronal mass ejections (CMEs) -- solar phenomena that can send solar particles into space and affect electronic systems in satellites -- from 7 PM ET on September 18, 2011 ...

Space & Earth / Space Exploration

created Sep 22, 2011 | popularity 5 / 5 (6) | comments 11

Sunspot 1283 bristling with flares: An X1.8 and an M6.7

A third and fourth flare have erupted from sunspot 1283. The third came on September 7 at 6:36 PM ET, and was categorized as an X1.8 by the GOES spacecraft, making it the second X-class flare within 24 hours.

Space & Earth / Space Exploration

created Sep 08, 2011 | popularity 4.7 / 5 (3) | comments 10

Moderate Labor Day solar flare eruption

At 9:35 PM ET on September 5, 2011, the sun emitted an Earth-directed M5.3 class flare as measured by the GOES satellite. The flare erupted from a region of the sun that appears close to dead center from Earth's ...

Space & Earth / Space Exploration

created Sep 07, 2011 | popularity 5 / 5 (1) | comments 0