Press Releases 1999

21 Septiembre 1999: Students in Susie Townsend's multi-age classroom at Miles Exploratory Learning Center, 1400 E. Broadway Blvd., will work with local astronomers and noted authors Joni Chancer and Gina Rester-Zodrow this Friday, September 24, at 10:00 am. Students will safely observe the Sun and then interpret their observations through art and writing invitations. Townsend's class will be studying the Sun and its impact on Earth throughout the school year using a multi-disciplinary, inquiry approach to learning. The Sun is entering the peak of an 11-year cycle of activity, making this a particularly exciting time to investigate solar behavior.

30 Julio 1999: The National Optical Astronomy Observatories (NOAO) is a partner in a multi-institutional center involved in the rapidly developing field of adaptive optics, which promises to revolutionize astronomy and vision science.

25 Junio 1999: At a ceremony on Mauna Kea today, astronomers revealed some of the sharpest infrared images ever obtained by a ground-based telescope. These first high-resolution images from Gemini North reveal the remarkable power of the telescope's technologies, which minimize distortions that have blurred astronomical images since Galileo first pointed a telescope skyward almost 400 years ago. The clarity of these images is equivalent to resolving the separation between a set of automobile headlights at a distance of 2,000 miles!

25 Junio 1999: At a ceremony in Hawaii today, astronomers revealed some of the sharpest infrared images ever obtained by a ground-based telescope. These first high-resolution images from the new Gemini North Observatory show the remarkable power of the telescope's technologies, which minimize distortions that have blurred astronomical images since Galileo first pointed a telescope skyward almost 400 years ago. The clarity of these images is equivalent to resolving the separation between a set of automobile headlights at a distance of 2,000 miles!

1 Junio 1999: Dr. Mark Giampapa of the National Science Foundation's National Solar Observatory in Tucson, Arizona, has determined that the Sun is in a relatively moderate state of activity. Giampapa's observations of Sun-like stars in M67 suggest that about 40% of the time the Sun is likely to be either significantly more, or significantly less, active. A change to either of these states is likely to cause significant changes in the Earth's climate. These same observations also indicate excursions in the luminosity of the Sun from about 0.2% - 0.5% are possible, compared with the 0.1% variations that have been measured with modern satellite instruments during the 1980s and 1990s. Any variation in what is considered typical or normal solar activity must be taken into account in the study of long-term behavior of the global climate.

31 Mayo 1999: Dr. Samuel Barden, astronomer at the National Science Foundation's National Optical Astronomy Observatories in Tucson, Arizona, has partnered with Mr. Willis Colburn and Mr. James Arns at Kaiser Optical Systems, Inc. (KOSI), Ann Arbor, Michigan for the development of large format spectroscopic gratings using holographic technology for astronomical applications funded by the National Science Foundation through the Advanced Technologies and Instrumentation Program in the division of Astronomy. These new technology gratings can provide information at multiple regions of the spectrum simultaneously, with higher efficiency, less cost, and greater durability than the conventional grating technology that astronomers have relied on for over a hundred years.

31 Mayo 1999: Dr. John W. (Jack) Harvey, astronomer at the National Science Foundations National Solar Observatory (NSO) at Kitt Peak, Arizona, has been awarded the prestigious George Ellery Hale Prize by the American Astronomical Society in recognition of his "outstanding contributions to the field of solar astronomy over an extended period of time".

31 Mayo 1999: The National Science Foundation's National Solar Observatory is preparing for the upcoming solar maximum with SOLIS, a new suite of ground-based solar telescopes that will increase our understanding of solar activity and its effect on Earth's climate and atmosphere.

31 Mayo 1999: The Sun is known to exhibit a maximum of activity, including solar flares and an increased number of sunspots and coronal mass ejections, approximately every 11 years. Dr. Richard C. Altrock announces today his prediction that the next solar maximum will occur between January and April of 2000 based on a new method employing daily observations of high latitude coronal activity. Dr. Altrock, an Air Force Research Laboratory astronomer at the National Science Foundation's National Solar Observatory (NSO) at Sacramento Peak, New Mexico, will present his result today to the American Astronomical Society meeting in Chicago, Illinois. This prediction is of interest to solar astronomers and others who design and operate satellites.

15 Abril 1999: The Gemini Observatory has received $600,000 from the National Science Foundation (NSF) to support a significant expansion of the internet connection speed between its Mauna Kea observatory, its Hilo headquarters in University Park, and the rest of the world. By coordinating the Gemini grant with a similar but different NSF grant recently made to the University of Hawaii's (UH) Information Technology Services, all of the Big Island observatories and UH-Hilo will share in the benefits of this much improved connection.

25 Marzo 1999: Astronomers using the National Science Foundation's (NSF) Kitt Peak National Observatory (KPNO), near Tucson, Arizona, contributed important optical observations of a Gamma-Ray Burst (GRB) discovered on 23 January 1999. The KPNO observations of this particularly powerful and well-observed GRB are included in articles appearing in current issues of the journals Science and Nature. This event was the first GRB detected simultaneously at optical and gamma-ray wavelengths, and may provide the first clear evidence that GRBs emit a stream, or jet, of photons directed out into space like a searchlight.

6 Enero 1999: Astronomers George H. Jacoby and Taft E. Armandroff of the National Optical Astronomy Observatories in Tucson, Arizona, and James E. Davies of The Johns Hopkins University announced today their discovery of a new galaxy in The Local Group, the group of galaxies within 4 million light-years of our own Milky Way. The new galaxy is the second one that the team has found in the past year by using new computer enhancement techniques applied to 10-year old photographs of the sky. Small galaxies of the type found by Jacoby and collaborators are the most common type of galaxy in the universe, yet the region around the Milky Way Galaxy's big brother, the spiral galaxy in Andromeda, had been thought to be highly deficient of these "dwarf" galaxies before the team began their search. The census of the Local Group, though, is now as high as 43 galaxies, meaning that our neighborhood may not be as unusual as was previously thought.