Astronomy March 2004

Item #ASY040301

March 2004
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Black holes in the middle
Supermassive black holes with masses greater than a million suns dwell in most large galaxies. While astronomers know how black holes the size of a single star form, how such behemoths form remains a mystery.
— Steve Nadis

Cosmic snowstorm
It takes a billion billion snowflakes to make a comet and a billion comets to make a planet the size of Pluto; learn how snowstorms in space formed the icy bodies at the far reaches of our solar system. — Scott Kenyon

Into the abyss
From the depths of the Mediterranean Sea, a new observatory hopes to see the fleeting light emitted when a neutrino strikes an atom. Ubiquitous yet nearly impossible to catch, neutrinos pose a challenge for any detector but, if caught, promise to open a new window on the universe.
— Bruce Dorminey

M67: the Ultimate Survivor
Talk about “survival of the fittest.” While similar clusters have fallen prey to giant interstellar clouds, open star cluster M67 has a lifestyle and habitat that have kept it out of harm’s way for nearly 5 billion years.
— Ken Croswell

Cancer, Leo, and Leo Minor
The final installment of our constellation-by-constellation observing series features the deep-sky splendor of the Crab, the Lion, and the Little Lion. — Tom Polakis
Disappearing act
Occultations are commonly predicted today, but that was not always the case. Meet David W. Dunham, the man responsible for the technique that enables people worldwide to observe these spectacular events. — Trudy E. Bell

Capturing aurorae
Skyshooting is easy when you follow these tips from an expert. See how you can capture auroral displays, one of nature’s most beautiful phenomena, using only a camera and tripod.
— Cory Loewen

TAL's 150K and 200K
TAL’s new telescope models, the 150K and 200K, are ready-to-observe systems based on a seldom used optical design. Is one of these scopes right for you?
— Phil Harrington
Astronomy Discover