From Bad Astronomy
Found: 90% of the distant Universe
Leave a reply
Author Archives: gmcdavid
The Flake Equation
From xkcd.
Considering the uncertainties in the numbers involved, it may be more accurate than this equation :-)>
Happy Lady Ada Day!
Today is Ada Lovelace Day
In accordance with the Pledge, I would like to recognize the work of Margaret Geller . She and John Huchra discovered the Great Wall. This is one of the largest objects in the universe: Over 500 million light years long. That is 5,000 times the diameter of our entire galaxy.
My contribution last year is here.
Soviet Memorials on the Moon Honoring Women
From Universe Today:
Emily Lakdawalla from the Planetary Society uncovered an interesting tidbit about the Lunokhods which she generously passed on to me. After a little research, I found out more about an “extracurricular activity” the two Lunokhod rovers were commanded to do along their traverses on the lunar surface. They each created “memorials” to women on the Moon.
Monday night Irish class, March 22, 2010
Irish Class, March 22, 2010
Rang Gaeilge, 22ú lá Mí na Márta 2010
<!–
Fadas: áéíóúÁÉÍÓÚ
–>
Private property on the moon….today
How Knot to Repair a Wall
What to do the first weekend in October?
I wonder if I can get to Cincinnati:
Beannachtaí na Féile Pádraig dhaoibh!
St. Patrick’s day blessings to you!
Cosc ar bheoir uaine, i Chicago go háirithe.
(Avoid the green beer, especially in Chicago.)
From Hilbert Space to Dilbert Space, and beyond 