Astronomy September 2002

The Ice Age Returns
An experimental cooling system installed by spacewalking astronauts has returned Hubble’s NICMOS camera to the picture of health.

Beyond Cosmos
Twenty-two years after Carl Sagan’s landmark series created billions of new astronomy enthusiasts, our understanding of the cosmos has undergone radical change.

The Artists Behind the Wonder
The creative minds who conceived and executed the visual effects in Cosmos played no small part in that series’ tremendous impact.

Using Lasers to Detect E.T.
Radio has long been the method of choice when it comes to searching for extraterrestrials. Now some researchers believe advanced species might communicate with lasers.