Showing posts with label telescopes. Show all posts
Showing posts with label telescopes. Show all posts
Wednesday, September 20, 2023

The Art of Electronics #5 Paul Horowitz on SETI (and lots of other radio stuff)

›
In 2016 Paul Horowitz  talked about SETI at Google.  Fascinating stuff.  Paul did an especially good job of weaving in a lot of radio/electr...
1 comment:
Tuesday, September 20, 2022

The James Webb Space Telescope -- Background Video and Update Article

›
The Scientific American video (above) has some really interesting info on how they built the JWST and what its capabilities are.  For exampl...
2 comments:
Wednesday, July 13, 2022

James Webb Telescope's Deep Field -- What Would Be Behind A Grain of Sand Held at Arms Length. Click on the Picture

›
  NASA’s James Webb Space Telescope has produced the deepest and sharpest infrared image of the distant universe to date. Known as Webb’s Fi...
1 comment:
Thursday, May 26, 2022

Marohu: The Dominican Telescope with a 25 inch Mirror Originally Made for JPL

›
  https://dominicanrepubliclive.com/development/dominicans-built-the-largest-telescope-in-the-region/?utm_source=rss&utm_medium=rss&...
Wednesday, January 26, 2022

Image of James Webb Space Telescope In Position at L2

›
https://www.inverse.com/science/james-webb-photo-final A very nice shot of the James Webb Space Telescope, nearly 1 million miles away, take...
2 comments:
Tuesday, October 19, 2021

Homebrew Tiny Space Telescopes from the Netherlands

›
It is good every once in a while to step back from our electronic work benches and take a look at what other kinds of builders are making.  ...
3 comments:
Monday, December 21, 2020

Observations from the Mars 2020 Opposition

›
  These are some of the drawings that I made during the Mars 2020 opposition. I would go out to my back porch with my 6 inch Dobsonian Newto...
3 comments:
Wednesday, August 26, 2020

Mars is BACK! 2020 Opposition! Don't Miss it!

›
2004  Sometimes waking up a bit earlier when the sunrise is coming later leads you to some interesting things.   It was quite humid ...
Wednesday, November 13, 2019

Transit of Mercury, 11 November 2019, and a Transit of Venus and Some Sunspots from 2012

›
Above:  Transit of Mercury, November 11, 2019 as I saw it from Northern Virginia using a 4.5 inch reflector with image projected onto a...
Friday, October 25, 2019

Radio Telescope Homebrewed from Cake Pans and Chicken Wire

›
  https://altaonline.com/the-low-tech-search-for-signs-of-intelligent-life/?utm_source=pocket-newtab
2 comments:
Saturday, August 25, 2018

Big New Telescopes

›
https://qz.com/1362650/the-latest-in-a-new-generation-of-giant-telescopes-broke-ground/
Friday, June 29, 2018

Two Videos from Other Kinds of Workshops -- Dobson Makes a Telescope, Peter Builds an Airplane

›
https://en.wikipedia.org/wiki/John_Dobson_(amateur_astronomer) Above you can watch a video showing the legendary John Dobson making a big...
2 comments:
Monday, June 25, 2018

Dust Storm on Mars

›
Damn.  Just as Mars gets close enough for me to see something with my 6 inch reflector telescope, a massive dust storm hits.  I was out...
1 comment:
Tuesday, April 4, 2017

Fast Radio Bursts and the Molonglo Radio Telescope (with video)

›
7,744 circular dipoles on 843 MHz  feeding 176 preamplifiers and 88 IF amplifiers! Read about how the Molonglo Radio Telescope has recen...
1 comment:
Wednesday, August 31, 2016

A Signal for SETI? HD 164595

›
That's the Russian radio-telescope that picked up what was thought to be a possible signal from an extraterrestrial civilization.  ...
2 comments:
Tuesday, February 11, 2014

Mars Star Party from La Palma (video)

›
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts,...
Friday, January 17, 2014

John Dobson (Sidewalk Astronomer, Telescope Maker) RIP

›
http://www.skyandtelescope.com/news/home/John-Dobson-1915ndash2014-240456881.html Our book: "SolderSmoke -- Global Adventures in W...
1 comment:
Wednesday, January 8, 2014

First Light

›
Preston:  Your use of the term "First Light" is especially appropriate.  I got the concept from a wonderful book of that tit...
Saturday, November 2, 2013

Arecibo Birthday

›
Thanks to Bob Crane for this birthday alert: The Arecibo Observatory opened on this date in 1963. At a diameter of a thousand feet,...
1 comment:
Monday, October 28, 2013

Book Review: "Bunch of Amateurs" by Jack Hitt

›
The title held a lot of promise, but the subtitle ("A Search for the American Character") hinted at the main problem that I had wi...