NASA has been studying NEOs since the 1970s. They are asteroids and comets that have been nudged by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth's neighborhood. Composed mostly of water ice with embedded dust particles, comets originally formed in the cold outer planetary system while most of the rocky asteroids formed in the warmer inner solar system between the orbits of Mars and Jupiter.
Established in 1998, NASA's NEO Observations Program at NASA Headquarters in Washington, is responsible for the Agency’s efforts at finding, tracking, and characterizing NEOs. The agency’s Jet Propulsion Laboratory, in Pasadena Calif., conducts the daily operations of the program.
In 2010, NASA fulfilled a congressional mandate to discover at least 90 percent of 1-kilometer-sized NEOs, and is now working hard to find smaller NEOs. Current national space policy directs NASA to pursue capabilities, in cooperation with other departments, agencies, and commercial partners, to detect, track, catalog, and characterize NEOs. To do so, NASA’s NEO budget has increased substantially from $4 million to $40 million.
A NEO Impact Working Group, which includes NASA and the Federal Emergency Management Agency (FEMA), is being formed to review disaster response plans for NEO impact scenarios. NASA and FEMA conducted a joint NEO-impact tabletop exercise in 2013.
Posted by Megaan Austin at 2:51:00 AM
Labels: WISE spacecraft
The four-ton spacecraft released onboard a Japanese people H-IIA bomb from Tanegashima Space Middle on Tanegashima Isle in Southeast Asia. The GPM spacecraft divided from the bomb 16 moments after release, at an elevation of 247 kilometers (398 kilometers). The solar power arrays implemented 10 moments after spacecraft separating, to power the spacecraft.
"With this release, we have taken another massive jump in offering the globe with an unmatched image of our world's rain and snowfall," said NASA Administrator Charles Bolden. "GPM will help us better understand our ever-changing environment, improve predictions of excessive weather activities like flooding, and assist decision creators all over the globe to better handle h2o sources."
The GPM Primary Observatory will take a significant step in enhancing upon the abilities of the Exotic Rainfall fall Statistic Mission (TRMM), a combined NASA-JAXA objective released in 1997 and still in function. While TRMM calculated precipitation in the tropics, the GPM Primary Observatory increases the protection area from the Arctic Group to the Antarctic Group. GPM will also be able to identify light rain and snowfall, a significant source of available h2o in some areas.
"It is very interesting to see this spacecraft release," said GPM Venture Administrator Art Azarbarzin of NASA's Goddard Space Journey Middle in Greenbelt, Md. "This is the moment that the GPM Group has been working toward since 2006. The GPM Primary Observatory is the product of a devoted team at Goddard, JAXA and others globally. Soon, as GPM starts to gather precipitation findings, we'll see this equipment at work offering real-time information for the researchers about the intensification of stormy weather, rainfall in distant areas and so much more."
Posted by Megaan Austin at 10:13:00 PM
The particular Mars Atmosphere and Volatile Evolution (MAVEN) quest is made to check out Mars' higher ambiance. It will ascertain the purpose that evade of gasoline from your ambiance to be able to place features played inside modifying the environment through the entire earth's heritage. MAVEN premiered with November. eighteen, 2013, and may enter into orbit around Mars about the evening of Sept. twenty one, 2014 (10 p. m. EDT).
Following a five-week commissioning stage inside orbit, when it will eventually wind up in it's science-mapping orbit, use it's booms, in addition to perform a last checkout from the science tools, it will eventually execute the one-Earth-year quest. It will take notice of the design in addition to arrangement from the higher ambiance, ascertain the pace of evade of gasoline to be able to place right now and also the functions curbing it, in addition to produce dimensions that will let your catch ascertain the quantity of gasoline lost to be able to place after a while.
"Successful checkout from the spacecraft in addition to tools is often a important landmark inside undertaking each of our quest, " mentioned Medical professional. Bruce Jakosky, MAVEN key private investigator from your University of Colorado inside Boulder. "While it is possible to many things that contain to happen effectively prior to all of us get to Mars which enable it to complete the mission's science, we are the place we have to become right now. ".
Posted by Megaan Austin at 11:24:00 PM
The first flare (below) was classified as an M6.4 and it peaked at 4:58 p.m EST on Dec. 31. The second (above) was categorized as an M9.9 and peaked at 1:52 p.m. EST on Jan. 1. Both flares emerged from the same active region on the sun, AR1936.
Imagery of the flares was captured by NASA's Solar Dynamics Observatory, which keeps a constant watch on the sun, collecting new data every 12 seconds.
Posted by Megaan Austin at 11:17:00 PM
Labels: Solar Flares
This is the first hexagon movie of its kind, using color filters, and the first to show a whole view of the top of Saturn down to about 70 degrees latitude. Spanning about 20,000 miles (30,000 kilometers) across, the hexagon is a wavy jet stream of 200-mile-per-hour winds (about 322 kilometers per hour) with a massive, rotating storm at the center. There is no climate mark exactly, constantly like this anyplace else in the solar system.
"The hexagon is just a recent of air, and weather features out there that share similarities to this are notoriously turbulent and unstable," said Andrew Ingersoll, a Cassini imaging team member at the California Institute of Technology in Pasadena. "A hurricane on Earth typically lasts a week, but this has been here for decades and who knows maybe centuries."
Weather patterns on Earth are interrupted when they encounter friction from landforms or ice caps. Scientists suspect the stability of the hexagon has something to do with the lack of solid landforms on Saturn, which is essentially a giant ball of gas.
Better views of the hexagon are available now because the sun began to illuminate its interior in late 2012. Cassini captured images of the hexagon over a 10-hour time span with high-resolution cameras, giving scientists a good look at the motion of cloud structures within.
Posted by Megaan Austin at 11:14:00 PM
Labels: NASA's Cassini Spacecraft
The Zarya was the first piece of the International Space Station to furthermore known as the Functional Cargo Block (FGB), it would provide a nucleus of orientation control, relations and electrical power while the station waited for its other elements, as well as the Zvezda service module and Unity.
We were in the manage center in Houston that night to watch Zarya launch, along with a good quality number of people from the program, said Bill Bastedo, who is at this time senior vice president of Booz Allen Hamilton at the time, Bastedo had the technically demanding task of launch pack up manager for Unity, also known as Node 1. “It was truly, for us, exciting to have Zarya on orbit so we can get our chance to effect our mission.”
Posted by Megaan Austin at 2:45:00 AM
Labels: Russian space agency