Actually, that diagram does confuse me. Here's my reasoning - orient the asteroid and Mars in three dimensions as follows. Let the Z-axis represent the...
Guild of Manhattan Sidewalk AstronomersJulian and Rich, Thanks! Julian, That diagram does explain it for me to a great extent. It shows me that the error is...
"New Observations Slightly Decrease Mars Impact Probability Don Yeomans, Paul Chodas and Steve Chesley NASA/JPL Near-Earth Object Program Office January 2,...
"According to the National Oceanic and Atmospheric Administration (NOAA), a new solar cycle is about to begin. The original forecast for Solar Cycle 24 was...
Only a 1:40 chance according to latest estimates. http://news.yahoo.com/s/space/20080109/sc_space/asteroidschancesofsmackingmarsdip The chances of an asteroid...
"NASA will return to Mercury for the first time in almost 33 years on January 14, 2008, when the MESSENGER spacecraft makes its first flyby of the Sun’s...
As I mentioned in an earlier post, this event always sells out way in advance. Tickets have just now gone on sale. I've already got mine. If you want to go,...
The message copied below was sent to the AAA through the AAA Web site. Today, I went to see what Mr. Diller is offering for sale. He gave me permission to...
"Huge gas cloud will hit Milky Way" "A giant cloud of hydrogen gas is racing towards a collision with the Milky Way, astronomers have announced. Dubbed...
"Near-Earth Asteroid 2007 TU24 to Pass Close To Past Earth on Jan. 29 - Should be Observable with Modest Sized Telescopes" "Asteroid 2007 TU24, discovered by...
When Do Asteroids Turn Dangerous? "One of the most spectacular sights in the night sky is a fireball; a rock from space impacts the atmosphere and blazes a...
I actually saw a fireball the other evening right from 7th Avenue in Park Slope / Brooklyn. Extremely bright light, increasing in brightness over time, maybe 5...
Markus, Lucky you. The others like most are not looking up! Probably a sporadic meteor. On an outdated list the Delta Cancrids go from Jan. 1 to Jan. 24, ...
Anyone hear of this story, "The Day the Solar Wind Disappeared"? "Dec. 13, 1999: From May 10-12, 1999, the solar wind that blows constantly from the Sun...
I saw it due south, on a south-east trajectory. Hard to tell where it radiated from. Maybe on a line back to Pisces, Aquarious ... Cancer doesn't seem...
Julian, Thanks for that. That's a pretty interesting article. The discussion following the article is interesting, too. I was inspired to add my two cents...
Astrophysics Data System (ADS)The NASA Astrophysics Data System is a good portal site for astrophysics research. Abstracts are available for many publications...
"A Hi-Def Peek at Pluto" "New Horizons made its first detection of Pluto using the high-resolution mode of its Long Range Reconnaissance Imager (LORRI) during...
"Counting Mercury’s Craters" "One of many investigations underway includes identifying and measuring the impact craters on these previously unseen regions....
"Giant Storm Eruption at Jupiter Unearths a Buried Past" "Scientists around the globe have observed an astonishing and rare change in Jupiter's atmosphere -- a...
Bruce, Went to "Astronomical Tables of the Sun, Moon, and Planets," 2nd Ed. p. 60 by Jean Meeus and the earth passes from S to N of the ring plane of Saturn...
Bruce, This link still works, at least, for me. The article was dated January 24, 2008. I will try and post the whole article. Julian ... change in Jupiter's...
From the NASA/JPL News Releases Giant Storm Eruption at Jupiter Unearths a Buried Past January 24, 2008 Scientists around the globe have observed an...
