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Solar System
Feb 20, 2004

, photographed Feb. 7th by amateur astronomer Gary Palmer of Los Angeles. He used an 11" telescope and a digital camera.   Many ham radio operators have heard these...

Sun
Mar 28, 2008

chart recorder he connected to his 20 MHz ham rig: look. "What a pleasant surprise," says Thomas.     Above: Sunspot counts vs. year: 2008 is a low point in...

Universe
Nov 23, 1998

144.000 MHz tracking signal coming from the balloon. Melody used a ham radio unit supplied by Randy Ware, director of the technology center of Dalton Junior High School."...

Jun 10, 2005

from space by the Solar and Heliospheric Observatory (SOHO). The many speckles are solar protons striking the spacecraft's digital camera. [More] Proton storms cause all...

Universe
Oct 28, 1998

loudspeakers of simple ham radios here on Earth. Observations of Jupiter and the Io torus by UVSTAR will help scientists understand the complex Jupiter-Io interaction and how...

Sun
Jan 23, 2009

, 2008. The auroras were sparked by a solar wind impact anticipated by STEREO-B. Credit: Spaceweather.com. St. Cyr notes that experienced ham radio operators can participate...

Jan 15, 2008

-magnetic spectrum, from radio to gamma-rays. It shows, in a way, that all humans are partially blind. No one can see gamma-rays! Yet the cosmos is bright and lively in these...

Universe
Nov 9, 2000

in the morning! But if clouds, rain, or city lights threaten to spoil your pre-dawn stargazing adventure, NASA scientists are prepared to help. Before dawn on Saturday, Nov...

Sun
Jun 10, 2005

Observatory (SOHO). The many speckles are solar protons striking the spacecraft's digital camera. [More] Proton storms cause all kinds of problems. They interfere with ham...

Universe, Sun
Aug 7, 1999

precious minutes. The temperature drops, birds stop singing, and bees return to their hives for a premature rest. An eerie quiet envelopes the landscape inside the path of...

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