AAVSO Alert Notice 506<br /> Observations of the eclipsing binary b Persei<br /> January 5, 2015 <p>Dr. Robert Zavala (USNO-Flagstaff) and collaborators request observations of the bright variable star b Persei for the
<p style="text-align:center"></p> <p>Using the powerful eye of NASA’s Hubble Space Telescope, two teams of scientists have found faint signatures of water in the atmospheres of five distant planets.</p> <p>The presence of atmospheric
<p style="text-align:center"></p> <p>Astronomers using NASA’s Chandra X-ray Observatory have taken a major step in explaining why material around the giant black hole at the center of the Milky Way Galaxy is
<p style="text-align:center" class="small"></p> <p>SETI, the Search for Extra-Terrestrial Intelligence, is an almost uniquely American affair. There was a time when it was funded by the US government, but that funding resource
<p>In 1948, astronomer <a href="http://en.wikipedia.org/wiki/Fritz_Zwicky" target="_blank">Fritz Zwicky</a>, the esteemed co-discoverer of dark matter, speculated that “fusion jets” could be used by a future civilization to navigate our sun and solar
<p>New views of the Horsehead Nebula and its turbulent environment have been unveiled by ESA’s Herschel space observatory and the NASA/ESA Hubble space telescope. </p> <p style="text-align:center" class="small" style="margin-bottom:8px;"><br /> Stunning new
<p>Newly released Hubble Space Telescope images of a vast debris disk encircling the nearby star Fomalhaut, and of a mysterious planet circling it, may provide forensic evidence of a titanic
<p>ESA’s Herschel Space Observatory has studied the dusty belt around the nearby star Fomalhaut. The dust appears to be coming from collisions that destroy up to thousands of icy comets
<p>Astronomers have announced the discovery of a fifth planet circling <strong>55 Cancri</strong>, a star beyond our solar system. The star now holds the record for number of confirmed extrasolar planets orbiting