This summer will bring nature’s greatest spectacle to more Americans than ever in history when day turns into night from sea to shining sea. On August 21 the shadow of the moon will sweep across the United States from Oregon to
A world-wide effort to build new telescopes promises to revolutionize our understanding of the origin and evolution of the Universe. For the first time, we will be able to see—not merely make theories about—the formation of the very first stars
That question rises above all others when it comes to our place in a vast and ancient Universe. With a billion habitable locations in the Milky Way galaxy alone, and more than 10 billion years for biological experiments to play
The Arizona Senior Academy is honored and privileged to present an encore of the UA College of Science’s “Life in the Universe” lecture by Professor Laird Close. His talk, entitled “Amazing Discoveries: A Billion Earth-Like Worlds,” will be presented, free
What do astronomy and the arts have to do with each other? That’s the topic to be explored in an Arizona Senior Academy lecture to be given at 3:30 p.m. Wednesday (March 19) in Academy Village. Eight of the nine
In the distant past, the appearance of comets in the sky was taken as an omen (usually bad) of events to come. The ancient Chinese knew that if there was an eclipse of the Sun they could scare it away
“Then felt I like some watcher of the skies, when a new planet swims into his ken,” wrote John Keats, describing the discovery of Uranus by William Herschel 50 years before. Here was the first planet to be found since
Curiosity, the first robotic rover sent to another planet capable of scooping up and analyzing rock and dust samples, has been hard at work on the surface of Mars since last August. On Wednesday (April 24), a scientist involved in
We all know the universe is big. But how do we know? That will be the topic of the lecture to be given by Desika Narayanan, astronomer at the Steward Observatory.
Photographer and astronomer Stephen Strom looks at our planet with a unique vision. He has spent most of his professional life as an astronomer, searching out patterns encoded in the light from distant stars in the hope of understanding
On a daily basis, about a hundred tons of comet dust and asteroid fragments collide with the Earth. Most burn up in the atmosphere. However, a kilometer-size or larger asteroid could someday collide with the Earth, causing a global disaster.
Daniel Apai, a foremost researcher on exoplanets and a professor at the University of Arizona, will speak about the properties of the known exoplanets and..