... Earlier observers used "all-sky cameras" to photograph a reflection of the entire sky in a convex mirror, and nowadays video cameras are often used. ...
... P a s t seminars . Seminar council . " Deep Impact: Excaving Comet Tempel 1 " . ... On 4 July 2005 Deep Impact collided with comet Tempel 1, excaving a crater. ... Deep Impact consisted of two fully functional spacecraft: an impacting spacecraft ...
... Other stars rise and set, or at least move across the sky. ... which are close to the southern pole of the sky, and which are never seen from the ... It sits at the tip of a deep bay: in 1964 an earthquake driven ocean wave ("tsunami ...
... Other stars rise and set, or at least move across the sky. ... which are close to the southern pole of the sky, and which are never seen from the ... It sits at the tip of a deep bay: in 1964 an earthquake driven ocean wave ("tsunami ...
... and their more energetic fragments register even in deep mines, a mile underground ... arrive evenly from all directions in the sky, but this does not necessarily mean ...
... No one of course can observe what happens deep inside the Sun, but a theory has been developed about the interior of stars, suggesting heat in the deepest layers travels by radiation. ...