Cardiovascular problems. Since these steroids are meant to improve performance and increase muscle tissue, the heart is going to be affected in one way or the other.
S*T*A*R has an active ATM (Amateur Telescope Making) group. We meet irregularly at members’ houses. If you are interested in joining us or learning more about telescope making, please post or at least keep an eye on our discussion board in the Amateur Telescope Making section.
From its beginnings in the early 19th century, spectroscopy — the analysis of starlight by wavelength — has unlocked a treasure-trove of astronomical information. Most of what we know about a star’s chemical composition, temperature, axial spin, magnetic field, and motion through space is
The ATM’s Workshop is a web site which provides Do-It-Yourself information for amateur telescope makers and astronomy enthusiasts.
Backyard astronomers will continue to be essential to the research community — here are some ways you can participate.
Catadioptric dialytes with Mangin mirror: Optical principles, design, aberrations and optimization of the Hamiltonian dialyte telescope.
Optical aberrations in amateur telescopes. Includes principles of physical and optical imaging with detailed review of primary aberrations. Also, aberrations in popular reflecting, refracting and catadioptric telescope objectives, telescope eyepiece and human eye.
telescopes and amateur telescope making articles by Mel Bartels
An amateur astronomy club devoted to telescope making, observing, and studying the heavens.
The friendly experts at Orion will help you choose the right telescope, binoculars, or accessories. Same-day shipping. 100% satisfaction guarantee!
