... October 8, 1996 . ROSAT Explores the X-Ray Sky . Credit: S. Digel and S. Snowden ( GSFC ), ROSAT Project , MPE, NASA . ... the orbiting ROSAT observatory explored the Universe by viewing the entire sky in x-rays - photons with about 1,000 times more ...
... April 3, 1999 . The Radio Sky: Tuned to 408MHz . Credit: C. Haslam et al., MPIfR , SkyView . ... Explanation: Tune your radio telescope to 408MHz (408 million cycles per second) and check out the Radio Sky! ...
... For education and public outreach, the Arcetri Astrophysical Observatory opens its doors to the general public by organizing guided visits with observations of the sky. ...
... However a simple sky subtraction is almost never enough to properly eliminate the bright OH lines whose intensity varies on time scales comparable with object and sky observations. ...
... horizon at sunset and Jupiter and Saturn high in the east by early evening, November's night sky is filled with bright planets ... October's sky featured bright planets as well and, triggered by the active Sun, some lovely auroral displays . ...
... Although some of its data is available through the web as part of the Digitized Sky Survey, the great bulk of this resource is kept at the Royal Observatory, Edinburgh (ROE). ...
... Credit: DMR , COBE , NASA , Two-Year Sky Map . ... Explanation: Above is a microwave image of the entire sky. ... This historic all-sky map is based on the first two years of data from NASA's COsmic ...
... The scale is 1 arcsec per pixel, with sky coverage of more than 4 arcmin times 4 arcmin on the NICMOS 3 (256 X 256 pixels, 40 m side( detector array. ...