|The purpose of the Ozarks Amateur Astronomers Club is to create and foster public interest in astronomy through presentations and public observing nights.||
|April 29th 2011 NASA Open House |
NASA observing night will be on Friday, April 29th, 2011, from 8:00 P.M. to 10:30 P.M., weather permitting. This is a wonderful opportunity to do some amazing observing under a dark sky! You will also have an opportunity to look through one of the university’s larger telescopes!
NASA Night is also one of our biggest fundraising nights, so if anyone is interested in briefly helping out, please let Kevin know.
See this link for directions: - NASA Observing Night - - kevcollette
|April 1st, 2011 - Observing Night and Club Meeting |
|We will be heading to Baker Observatory Friday night, April 1st, for a club observing night. We will be meeting there at the observatory at 8:00 PM but in anyone needs a ride let me know in advance so I can make sure we have enough cars available. I will be picking up those needing a ride from in front of Kemper Hall at 7:15 and leaving by 7:25. Those needing help finding Baker Observatory can follow me out from there. - Scott |
|Baker Observatory Clear Sky Chart:|
|This is an astronomers forecast showing when it will be cloudy or clear for the next two days at Baker Observatory. Clicking the image will take you to the image host along with more detailed information and forecasts.|
NASA Watch - Front Row Seat For A Cosmic Coincidence|
NASA Image of the Day |
|Image of the Day" image.
On Dec. 4, 1973, NASA's Pioneer 10 spacecraft sent back images of Jupiter of ever-increasing size. The most dramatic moment was after closest approach and after the spacecraft was hidden behind Jupiter. Here, images gradually build up into a very distorted crescent-shaped Jupiter. "Sunrise on Jupiter," a team member said. The giant planet crescent gradually decreased in size as the spacecraft sped away out of the Jovian system.
Launched on Mar. 2, 1972, Pioneer 10 was the first spacecraft to travel through the asteroid belt, and the first spacecraft to make direct observations and obtain close-up images of Jupiter. Pioneer 10 passed within 81,000 miles of the cloudtopsÂ during its closest encounter with Jupiter. This historic event marked humans' first approach to Jupiter and opened the way for exploration of the outer solar system - for Voyager to tour the outer planets, for Ulysses to break out of the ecliptic, for Galileo to investigate Jupiter and its satellites, and for Cassini to go to Saturn and probe Titan. During its Jupiter encounter, Pioneer 10 imaged the planet and its moons, and took measurements of Jupiter's magnetosphere, radiation belts, magnetic field, atmosphere, and interior. These measurements of the intense radiation environment near Jupiter were crucial in designing the Voyager and Galileo spacecraft.
Image Credit: NASA
This image of the Transantarctic Mountains was taken from the NASA P-3 airborne laboratory on Nov. 27, 2013, near the end of the 2013 IceBridge Antarctic campaign.
NASAâ€™s Operation IceBridge images Earth's polar ice in unprecedented detail to better understand processes that connect the polar regions with the global climate system. IceBridge utilizes a highly specialized fleet of research aircraft and the most sophisticated suite of innovative science instruments ever assembled to characterize annual changes in thickness of sea ice, glaciers, and ice sheets. In addition, IceBridge collects critical data used to predict the response of earthâ€™s polar ice to climate change and resulting sea-level rise. IceBridge also helps bridge the gap in polar observations between NASA's ICESat satellite missions.
> About IceBridge
Image Credit: NASA / Michael Studinger
The sunlit edge of Titan's south polar vortex stands out distinctly against the darkness of the moon's unilluminated hazy atmosphere. The Cassini spacecraft images of the vortex led scientists to conclude that its clouds form at a much higher altitude -- where sunlight can still reach -- than the surrounding haze.
Titan (3,200 miles, or 5,150 kilometers across) is Saturn's largest moon. This view looks toward the trailing hemisphere of Titan. North on Titan is up and rotated 32 degrees to the left. The image was taken with the Cassini spacecraft narrow-angle camera on July 14, 2013 using a spectral filter sensitive to wavelengths of near-infrared light centered at 938 nanometers.
The view was obtained at a distance of approximately 808,000 miles (1.3 million kilometers) from Titan and at a Sun-Titan-spacecraft, or phase, angle of 82 degrees. Image scale is 5 miles (8 kilometers) per pixel.
> View a color image of the south polar vortex on Titan
Image Credit: NASA/JPL-Caltech/Space Science Institute
At the center of spiral galaxy M81 is a supermassive black hole about 70 million times more massive than our sun.
A study using data from Chandra and ground-based telescopes, combined with detailed theoretical models, shows that the supermassive black hole in M81 feeds just like stellar mass black holes, with masses of only about ten times that of the sun. This discovery supports Einstein's relativity theory that states black holes of all sizes have similar properties.
Image Credit: X-ray: NASA/CXC/Wisconsin/D.Pooley & CfA/A.Zezas; Optical: NASA/ESA/CfA/A.Zezas; UV: NASA/JPL-Caltech/CfA/J.Huchra et al.; IR: NASA/JPL-Caltech/CfA
In the early hours of Nov. 27, 2013, Comet ISON entered the field of view of the European Space Agency/NASA Solar and Heliospheric Observatory. In this picture, called a coronagraph, the bright light of the sun itself is blocked so the structures around it are visible. The comet is seen in the lower right; a giant cloud of solar material, called a coronal mass ejection or CME, is seen billowing out under the sun.
Comet ISON, which began its trip from the Oort cloud region of our solar system, will reach its closest approach to the sun on Thanksgiving Day, skimming just 730,000 miles above the sun's surface.
NASA is tracking Comet ISON's journey and hosting events to discuss what the public worldwide may see as the comet traverses the sun. For the latest news and information, visit www.nasa.gov/ison.
Image Credit: ESA/NASA/SOHO
Thanksgiving is a time for family, for feasting, and for gratitude in the United States. It is also a time when the nationâ€™s transportation network is clogged with travelers. According to the American Automobile Association, an estimated 43.4 million Americans will travel 50 miles (80 kilometers) or more during Thanksgiving week, with the average round trip being 600 miles (1,000 kilometers). More than 90 percent of them will use cars or trucks, while the rest will ride planes or trains.
The United States has more roadsâ€”4.1 million miles (6.6 million kilometers)â€”than any other nation in the world, and roughly 40 percent more than second-ranked India. About 47,000 of those U.S. miles are part of the Interstate Highway System, established by President Dwight Eisenhower in the 1950s. The country also has 127,000 miles (204,000 kilometers) of railroad tracks and about 25,000 miles (40,000 kilometers) of navigable rivers and canals (not including the Great Lakes).
The imprint of that transportation web becomes easier to see at night. The Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP (National Polar-orbiting Partnership) satellite acquired two nighttime images early on Oct. 1, 2013, for this natural-light, mosaic view of the continental United States. The VIIRS instrument uses a â€śday-night bandâ€ť of wavelengths that is sensitive to low light levels and manmade light sources. The images were collected just three days before the new moon, so reflected light from space and the atmosphere was relatively low. It was also a rare night when most of the nation was cloud-free.Â
> Read More
Image Credit: NASA Earth Observatory image by Jesse Allen and Robert Simmon, using Suomi NPP VIIRS and DMSP OLS data provided courtesy of Chris Elvidge (NOAA National Geophysical Data Center)
Caption: Mike Carlowicz
How far away is spiral galaxy NGC 4921? Although presently estimated to be about 310 million light years distant, a more precise determination could be coupled with its known recession speed to help humanity better calibrate the expansion rate of the entire visible universe. Toward this goal, several images were taken by the Hubble Space Telescope in order to help identify key stellar distance markers known as Cepheid variable stars. Since NGC 4921 is a member of the Coma Cluster of Galaxies, refining its distance would also allow a better distance determination to one of the largest nearby clusters in the local universe. The magnificent spiral NGC 4921 has been informally dubbed anemic because of its low rate of star formation and low surface brightness. Visible in the above image are, from the center, a bright nucleus, a bright central bar, a prominent ring of dark dust, blue clusters of recently formed stars, several smaller companion galaxies, unrelated galaxies in the far distant universe, and unrelated stars in our Milky Way Galaxy.
Image Credit: Hubble Legacy Archive, ESA, NASA
ISS038-E-003872 (19 Nov. 2013) --- Three nanosatellites, known as Cubesats, are deployed from a Small Satellite Orbital Deployer (SSOD) attached to the Kibo laboratoryâ€™s robotic arm at 7:10 a.m. (EST) on Nov. 19, 2013. Japan Aerospace Exploration Agency astronaut Koichi Wakata, Expedition 38 flight engineer, monitored the satellite deployment while operating the Japanese robotic arm from inside Kibo. The Cubesats were delivered to the International Space Station Aug. 9, aboard Japanâ€™s fourth H-II Transfer Vehicle, Kounotori-4.
Image Credit: NASA
High-resolution global atmospheric modeling provides a unique tool to study the role of weather within Earthâ€™s climate system. NASAâ€™s Goddard Earth Observing System Model (GEOS-5) is capable of simulating worldwide weather at resolutions as fine as 3.5 kilometers.
This visualization shows global winds from a GEOS-5 simulation using 10-kilometer resolution. Surface winds (0 to 40 meters/second) are shown in white and trace features including Atlantic and Pacific cyclones. Upper-level winds (250 hectopascals) are colored by speed (0 to 175 meters/second), with red indicating faster.
This simulation ran on the Discover supercomputer at the NASA Center for Climate Simulation. The complete 2-year â€śNature Runâ€ť simulationâ€”a computer model representation of Earth's atmosphere from basic inputs including observed sea-surface temperatures and surface emissions from biomass burning, volcanoes and anthropogenic sourcesâ€”produces its own unique weather patterns including precipitation, aerosols and hurricanes. A follow-on Nature Run is simulating Earthâ€™s atmosphere at 7 kilometers for 2 years and 3.5 kilometers for 3 months.
Image Credit: William Putman/NASA Goddard Space Flight Center
Related: NASA will showcase more than 30 of the agency's exciting computational achievements at SC13, the international supercomputing conference, Nov. 17-22, 2013 in Denver.
Astronaut James H. Newman waves during a spacewalk preparing for release of the first combined elements of the International Space Station. The Russian-built Zarya module, with its solar array panel visible here, was launched into orbit fifteen years ago on Nov. 20, 1998. Two weeks later, on Dec. 4, 1998, NASA's space shuttle Endeavour launched Unity, the first U.S. piece of the complex. Endeavour's forward section is reflected in Newman's helmet visor in this image. During three spacewalks on the STS-88 mission, the two space modules built on opposite sides of the planet were joined together in space, making the space station truly international.
Since that first meeting of Zarya and Unity, the space station grew piece by piece with additions from each of the international partners built across three continents and leading to the largest and most complex spacecraft ever constructed. The space station, now four times larger than Mir and five times larger than Skylab, represents a collaboration between NASA, Roscosmos, the European Space Agency, the Japanese Aerospace Exploration Agency and the Canadian Space Agency, representing 15 countries in all.
In support of station assembly and maintenance, station and shuttle crews have conducted 174 spacewalks totaling almost 1,100 hours â€“ the equivalent to nearly 46 days of spacewalks to build and maintain the complex. The station, with a mass of almost a million pounds and the size of a football field, is second only to the moon as the brightest object in the night sky.
Over the years, a great deal of research has been done on the space laboratory, which has already yielded tremendous results toward various fields. The science of the space station has provided benefits to humankind in areas such as human health, Earth observation and education. Many more results and benefits for both space exploration and life on Earth are expected in the coming years.
> Celebrating 15 Years Since the Sunrise
Image Credit: NASA|
Last Updated March 15th, 2008 by Scott Maasen CETsr. 2008 Ozarks Amateur Astronomers Club. All Rights Reserved.