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NASA reports Rosetta Spacecraft to release Philae Lander to Comet’s surface November 12th

 

Written by DC Agle/Guy Webster
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – The European Space Agency’s Rosetta mission will deploy its lander, Philae, to the surface of comet 67P/Churyumov-Gerasimenko on November 12th.

Rosetta is an international mission spearheaded by the European Space Agency with support and instruments provided by NASA.

Philae’s landing site, currently known as Site J, is located on the smaller of the comet’s two “lobes,” with a backup site on the larger lobe. The sites were selected just six weeks after Rosetta’s August 6th arrival at the comet, following the spacecraft’s 10-year journey through the solar system.

Image depicts the primary landing site on comet 67P/Churyumov-Gerasimenko chosen for the European Space Agency's Rosetta mission. (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

Image depicts the primary landing site on comet 67P/Churyumov-Gerasimenko chosen for the European Space Agency’s Rosetta mission. (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

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NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft ready to enter Mars orbit

 

Written by Izumi Hansen and Elizabeth Zubritsky
NASA’s Goddard Space Flight Center

NASA - National Aeronautics and Space AdministrationGreenbelt, MD – NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft is nearing its scheduled September 21st insertion into Martian orbit after completing a 10-month interplanetary journey of 442 million miles (711 million kilometers).

Flight Controllers at Lockheed Martin Space Systems in Littleton, Colorado, will be responsible for the health and safety of the spacecraft throughout the process. The spacecraft’s mission timeline will place the spacecraft in orbit at approximately 6:50pm PDT (9:50pm EDT).

NASA's MAVEN spacecraft is quickly approaching Mars on a mission to study its upper atmosphere. When it arrives on September 21, 2014, MAVEN's winding journey from Earth will culminate with a dramatic engine burn, pulling the spacecraft into an elliptical orbit.

NASA’s MAVEN spacecraft is quickly approaching Mars on a mission to study its upper atmosphere. When it arrives on September 21, 2014, MAVEN’s winding journey from Earth will culminate with a dramatic engine burn, pulling the spacecraft into an elliptical orbit.

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NASA reports landing site for Rosetta Spacecraft’s Philae lander on comet set

 

Written by DC Agle and Dwayne Brown
NASA

NASA - National Aeronautics and Space AdministrationPasadena, CA – The European Space Agency’s Rosetta’s lander, Philae, will target Site J, an intriguing region on comet 67P/Churyumov-Gerasimenko that offers unique scientific potential, with hints of activity nearby, and minimum risk to the lander compared to the other candidate sites.

The 220-pound (100-kilogram) lander is scheduled to reach the surface on November 11th, where it will perform in-depth measurements to characterize the nucleus. Rosetta is an international mission spearheaded by the European Space Agency with support and instruments provided by NASA.

Image depicts the primary landing site on comet 67P/Churyumov-Gerasimenko chosen for the European Space Agency's Rosetta mission. (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

Image depicts the primary landing site on comet 67P/Churyumov-Gerasimenko chosen for the European Space Agency’s Rosetta mission. (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

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NASA Instrument “Alice” aboard Rosetta Orbiter has sent first data back to Earth about Comet 67P/Churyumov-Gerasimenko

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – A NASA instrument aboard the European Space Agency’s (ESA’s) Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko.

The instrument, named Alice, began mapping the comet’s surface last month, recording the first far-ultraviolet light spectra of the comet’s surface. From the data, the Alice team discovered the comet is unusually dark — darker than charcoal-black — when viewed in ultraviolet wavelengths. Alice also detected both hydrogen and oxygen in the comet’s coma, or atmosphere.

Artist's impression of the Rosetta orbiter at comet 67P/Churyumov-Gerasimenko. The image is not to scale. (ESA/ATG Medialab)

Artist’s impression of the Rosetta orbiter at comet 67P/Churyumov-Gerasimenko. The image is not to scale. (ESA/ATG Medialab)

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NASA reports International Space Station to monitor Lake Erie Algae Growth problem

 

Written by Jessica Nimon
International Space Station Program Science Office
NASA’s Johnson Space Center

NASA - National Aeronautics and Space AdministrationHouston, TX – The green stuff that clouds up fish tanks – it’s not just an aesthetic annoyance. In fact, if you’ve been watching recent news of algal bloom concerns in Lake Erie, you know that the right conditions for algae can lead to contamination of local water sources, potentially impacting aquatic life and humans.

What you might not have known is that among the resources to help study this problem you will find the International Space Station’s Hyperspectral Imager for the Coastal Ocean (HICO).

A Hyperspectral Imager for the Coastal Ocean (HICO) image of western Lake Erie, Aug. 15, 2014, taken from the orbital perspective of the International Space Station. (HICO Team/Naval Research Laboratory)

A Hyperspectral Imager for the Coastal Ocean (HICO) image of western Lake Erie, Aug. 15, 2014, taken from the orbital perspective of the International Space Station. (HICO Team/Naval Research Laboratory)

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NASA’s Soil Moisture Active Passive (SMAP) satellite to help Farmers manage Drought conditions

 

Written by Alan Buis
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – About 60 percent of California is experiencing “exceptional drought,” the U.S. Drought Monitor’s most dire classification. The agency issued the same warning to Texas and the southeastern United States in 2012. California’s last two winters have been among the driest since records began in 1879. Without enough water in the soil, seeds can’t sprout roots, leaves can’t perform photosynthesis, and agriculture can’t be sustained.

Currently, there is no ground- or satellite-based global network monitoring soil moisture at a local level. Farmers, scientists and resource managers can place sensors in the ground, but these only provide spot measurements and are rare across some critical agricultural areas in Africa, Asia and Latin America.

For several months, California has been in a state of "exceptional drought." The state's usually verdant Central Valley produces one-sixth of the U.S.'s crops. (White House via Wikimedia Commons)

For several months, California has been in a state of “exceptional drought.” The state’s usually verdant Central Valley produces one-sixth of the U.S.’s crops. (White House via Wikimedia Commons)

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NASA reports Rosetta Spacecraft takes new image of Comet 67P/Churyumov-Gerasimenko showing surface details

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – A new image of comet 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet’s nucleus.

It was taken by the Rosetta spacecraft’s OSIRIS narrow-angle camera on August 7th, 2014. At the time, the spacecraft was 65 miles (104 kilometers) away from the 2.5-mile-wide (4-kilometer) nucleus.

In the image, the comet’s head (in the top half of the image) exhibits parallel linear features that resemble cliffs, and its neck displays scattered boulders on a relatively smooth, slumping surface.

Image of 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet's nucleus. (ESA/Rosetta/NAVCAM)

Image of 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet’s nucleus. (ESA/Rosetta/NAVCAM)

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NASA reports Rosetta spacecraft arrives at Comet 67P/Churyumov-Gerasimenko

 

Written by Tony Phillips
Science at NASA

NASA - National Aeronautics and Space AdministrationWashington, D.C. – Today, after a decade-long journey chasing its target, the European Space Agency’s Rosetta probe, carrying three NASA instruments, became the first spacecraft to rendezvous with a comet, 67P/Churyumov-Gerasimenko.

“After 10 years, five months and four days travelling towards our destination, looping around the sun five times and clocking up 6.4 billion kilometers, we are delighted to announce finally we are here,” said Jean-Jacques Dordain, ESA’s director General.

Comet 67P/Churyumov-Gerasimenko by Rosetta’s OSIRIS narrow-angle camera on August 3, 2014, from a distance of 177 miles (285 kilometers). (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

Comet 67P/Churyumov-Gerasimenko by Rosetta’s OSIRIS narrow-angle camera on August 3, 2014, from a distance of 177 miles (285 kilometers). (ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)

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Clarksville Gas and Water reports Cynthia Drive Water Outage

 

Clarksville Gas and Water Department - CGWClarksville, TN – Clarksville Gas and Water has turned off water service on Cynthia Drive from Dover Road to Inver Road to repair a water main leak. The work is anticipated to be finished by approximately 3:30 p.m.

The road will be open to traffic.

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Prove It Clarksville: Day Four: Lessons Learned

 

An exercise in homelessness.

Clarksville, TN – I got off to a good start this morning: I woke up, wrote a bit, and then caught the bus to my street corner for the day (at Madison Street and Memorial Drive).

I just had a thought: when I was a kid, I spent a lot of time standing in the corner, and now I’m standing on the corner. Some things just make you go hmm.

Well, you’ll be glad to know I didn’t have to buy a flashlight because two sweet ladies each brought me one—one is bigger, so I can use it in my camp, and the other is smaller and will fit in my backpack.

Vicki snapped this photo right before she left me at the bus stop cause she thought it was funny that my pack was so wide. (Vicki York)

Vicki snapped this photo right before she left me at the bus stop cause she thought it was funny that my pack was so wide. (Vicki York)

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