Asteroid 2019 OK
A large asteroid just zipped between Earth and the Moon Astronomers missed the asteroid until it was nearly on top of them, but the space rock has already passed harmlessly continue...
All posts by Mark Town
Jupiter Impactor
Astronomers Get the Goods on Jupiter-Smacking Space Rock By Mike Wall 3 days ago Science & Astronomy Looks like the impactor was an asteroid, not a comet. Image of Jupiter processed from images continue...
ExoPlanets
Amateur Detection Amateur astronomers can detect exoplanets from their back yards! While finding new planets is probably not possible from a backyard telescope, the professionals have a list of known planets continue...
Storm on Saturn
Massive storm pulls ices from Saturn’s depths Cassini spacecraft images show the development of the largest storm seen on the planet since 1990. On Saturn, not only are storms much continue...
DSLR Camera Settings
DSLR Camera Settings for Astrophotography Camera controls and functions in the Canon 1000D (Digital Rebel XS) are accessed via a variety of buttons on the top and back of the continue...
Astrophotography 101
Quick Start Guide Part 1 for Beginner Digital Astrophotography If you have a digital camera and want to try your hand at astrophotography, but don’t really know where to continue...
Variable Stars
Types of Variable Stars: Cepheid, Pulsating and Cataclysmic Artist’s impression of the eclipsing binary system, including a pulsating star called a Cepheid variable. (Image: © ESO/L. Calçada) A variable continue...
James Webb telescope
The James Webb Space Telescope Observatory The Observatory of the James Webb Space Telescope is comprised of three elements: the Integrated Science Instrument Module (ISIM), the Optical Telescope Element (OTE), continue...
ET – Europa or Enceladus?
There’s been a lot of chatter in the news about Europa and the possibility of life. Europa has been the astrobiology darling for a few years – but I think continue...