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2014/09/22

Universe Today - 10 new stories for 2014/09/23

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10 new stories for 2014/09/23

2 Days Out from the Red Planet, India's MOM Probe Test Fires Main Engine for Mars Orbit Insertion

India's Mars Orbiter Mission (MOM) is closing in on the Red Planet and the Mars Orbit Insertion engine firing when it arrives on September 24, 2014 after its 10 month interplanetary journey. Credit ISRO

India's Mars Orbiter Mission (MOM) is closing in on the Red Planet and the Mars Orbit Insertion engine firing when it arrives on September 24, 2014 after its 10 month interplanetary journey. Credit ISRO
See cool trajectory animation below

Two days out from her history making date with destiny, India's Mars Orbiter Mission (MOM) successfully completed a crucial test firing of the spacecraft’s main liquid engine to confirm its operational readiness for the critical Mars Orbital Insertion (MOI) engine firing on Wednesday morning Sept. 24 IST (Tuesday evening Sept. 23 EDT).

Engineers at the Indian Space Research Organization (ISRO) which designed and developed MOM successfully fired the probes 440 Newton Liquid Apogee Motor (LAM) earlier today, Sept. 22, 2014, for a duration of 3.968 seconds at 1430 hrs IST (Indian Standard Time), according to today's announcement from ISRO.(...)
Read the rest of 2 Days Out from the Red Planet, India’s MOM Probe Test Fires Main Engine for Mars Orbit Insertion (801 words)


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Beautiful Astrophoto: Jupiter at Dawn

Jupiter at Dawn from the Savannah Skies Observatory in Australia, taken on September 20, 2014. Credit and copyright: Joseph Brimacombe.

Jupiter at Dawn from the Savannah Skies Observatory in Australia, taken on September 20, 2014. Credit and copyright: Joseph Brimacombe.

Prolific astrophotographer Joseph Brimacombe from Australia shot this beauty from his Savannah Skies Observatory near Cairns. He notes on Flickr that “Jupiter has been enhanced for effect,” but what a lovely effect! Plus what a great view of the landscape in Queensland.
(...)
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Rosetta's Philae Lander: A Swiss Army Knife of Scientific Instruments

Rosetta's Philae lander is Like a modern-day Swiss Army Knife, now prepared for a November 11th dispatch to a comet's surface.

Rosetta’s Philae lander includes a carefully selected set of instruments and is being prepared for a November 11th dispatch to analyze a comet’s surface. (Credit: ESA, Composite – T.Reyes)

When traveling to far off lands, one packs carefully. What you carry must be comprehensive but not so much that it is a burden. And once you arrive, you must be prepared to do something extraordinary to make the long journey worthwhile.

The previous Universe Today article “How do you land on a Comet?” described Philae’s landing technique on comet 67P/Churyumov-Gerasimenko. But what will the lander do once it arrives and gets settled in its new surroundings? As Henry David Thoreau said, “It is not worthwhile to go around the world to count the cats in Zanzibar.” So it is with the Rosetta lander Philae. With the stage set – a landing site chosen and landing date of November 11th, the Philae lander is equipped with a carefully thought-out set of scientific instruments. Comprehensive and compact, Philae is a like a Swiss Army knife of tools to undertake the first on-site (in-situ) examination of a comet.

(...)
Read the rest of Rosetta’s Philae Lander: A Swiss Army Knife of Scientific Instruments (2,876 words)


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NASA Explains: The Difference Between CMEs and Solar Flares

This is a question we are often asked: what is the difference between a coronal mass ejection (CME) and a solar flare? We discussed it in a recent astrophoto post, but today NASA put out a video with amazing graphics that explains it — and visualizes it — extremely well.

“CMEs and solar flares are both explosions that occur on the Sun,” the folks at NASA’s Goddard Spaceflight Center’s Scientific Visualization Studio explain. “Sometimes they occur together, but they are not the same thing.”
(...)
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Astronomy Cast Ep. 353: Seasons on Saturn

Visit the Astronomy Cast Page to subscribe to the audio podcast!

We record Astronomy Cast as a live Google+ Hangout on Air every Monday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.


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MESSENGER Completes Second Burn to Maintain Mercury Orbit

Illustration of MESSENGER in orbit around Mercury (NASA/JPL/APL)

A little over a week before NASA’s MAVEN spacecraft fired its rockets to successfully enter orbit around Mars, MESSENGER performed a little burn of its own – the second of four orbit correction maneuvers (OCMs) that will allow it to remain in orbit around Mercury until next March. Although it is closing in on the end of its operational life it’s nice to know we still have a few more months of images and discoveries from MESSENGER to look forward to!

(...)
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Carnival of Space #372

Carnival of Space. Image by Jason Major.

Carnival of Space. Image by Jason Major.

The tent is up! This week's Carnival of Space is hosted by Pamela Hoffman at the Everyday Spacer blog.

Click here to read Carnival of Space #372.
(...)
Read the rest of Carnival of Space #372 (89 words)


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MAVEN Arrives at Mars! Parks Safely in Orbit

The control room at Lockheed Martin shortly before MAVEN successfully entered Mars orbit tonight September 21, 2014. Credit: NASA-TV

Tension and concentration in the control room at Lockheed Martin shortly before MAVEN successfully entered Mars orbit tonight September 21, 2014. Credit: NASA-TV

138 million miles and 10 months journey from planet Earth, MAVEN moved into its new home around the planet Mars this evening. Flight controllers at Lockheed Martin Space Systems in Littleton, Colorado anxiously monitored the spacecraft’s progress as onboard computers successfully eased the Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft into Mars orbit at 10:24 p.m. Eastern Daylight Time. (...)
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© Bob King for Universe Today, 2014. | Permalink | One comment |
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Watch Live as MAVEN Meets Mars!

MAVEN Meets Mars on Sept. 21, 2014. Credit: NASA.

MAVEN Meets Mars on Sept. 21, 2014. Credit: NASA.

Watch here live, below, for the Mars orbital insertion of the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft, on Sunday, September 21 (or early Sept. 22 depending on your time zone) from 9:30 to 10:45 p.m. EDT, 01:30 to 02:45 UTC). The NASA TV broadcast feed will originate from the Lockheed Martin Facility in Littleton, Colorado, and will feature live camera views of mission control, interviews with senior NASA officials and mission team members, and mission video footage. The spacecraft’s mission timeline will place the spacecraft in orbit at approximately 9:50 p.m. EDT (01:50 UTC).
(...)
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Spectacular Nighttime Blastoff Boosts SpaceX Cargo Ship Loaded with Science and Critical Supplies for Space Station

A SpaceX Falcon 9 rocket carrying a Dragon cargo capsule packed with science experiments and station supplies blasts off from Space Launch Complex 40 at Cape Canaveral Air Force Station, Florida, at 1:52 a.m. EDT on Sept. 21, 2014 bound for the ISS.  Credit: Ken Kremer/kenkremer.com

A SpaceX Falcon 9 rocket carrying a Dragon cargo capsule packed with science experiments and station supplies blasts off from Space Launch Complex 40 at Cape Canaveral Air Force Station, Florida, at 1:52 a.m. EDT on Sept. 21, 2014 bound for the ISS. Photo taken from the VAB roof.
Credit: Ken Kremer/kenkremer.com

KENNEDY SPACE CENTER, FL – A SpaceX Falcon 9 rocket blazed aloft on a spectacular middle of the night blastoff that turned night into day along the Florida Space coast today, Sept. 21, 2014, boosting a commercial cargo ship for NASA and loaded with 2.5 tons of ground breaking science experiments, 20 'mousetronauts' and critical supplies for the human crew residing aboard the International Space Station (ISS).

The SpaceX Dragon cargo vessel on the CRS-4 mission thundered to space on the company’s Falcon 9 rocket from Space Launch Complex-40 at Cape Canaveral Air Force Station in Florida at 1:52 a.m. EDT Sunday, Sept. 21, just hours after a deluge of widespread rain showers inundated central Florida. (...)
Read the rest of Spectacular Nighttime Blastoff Boosts SpaceX Cargo Ship Loaded with Science and Critical Supplies for Space Station (1,026 words)


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