Astronomy
This Week’s astro-ph Preprints: Jean Tate’s Best Pick
It goes by the super-catchy (not!) title "A Catalog of MIPSGAL Disk and Ring Sources". I chose it, over 213…
Ripped to Shreds, Exoplanet Suffers Painful Death
[/caption] WASP-12b, discovered in 2008, is a real outlier among the 400 or so exoplanets discovered to date. Not that…
Radio Waves
[/caption] Radio waves are electromagnetic waves, or electromagnetic radiation, with wavelengths of about a centimeter or longer (the boundary is…
Celestron NexStar 130SLT Computerized Telescope
Are you looking for a computerized telescope that's designed for the more serious amateur astronomer? Then you need to take…
Proton Mass
The mass of the proton, proton mass, is 1.672 621 637(83) x 10 -27 kg, or 938.272013(23) MeV/c2, or 1.007…
Pictures of Moons
Here are some pictures of moons, from across the Solar System. You can make any of these images into your…
Better Late Than Never: Dwarf Galaxies Finally Come Together
[/caption] Have you heard of 'living fossils'? The coelacanth, the ginko tree, the platypus, and several others are species alive…
Atom Structure
[/caption]We know that atoms are parts of an element that can not naturally be broken down any further. What is…
Naiad
[/caption] Naiad is one of the 13 moons of Neptune. Neptune was not discovered until 1989 through studying photos taken…
Universe Puzzle No. 2
To start your working week, here's a little something to help you sharpen your brain (OK, it's already the end…