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...
3809
Bruce Kamiat
brucek10032
Jan 2, 2008 12:31 am
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...
3810
Julian Parks
baadesstar
Jan 3, 2008 11:24 am
"New Observations Slightly Decrease Mars Impact Probability Don Yeomans, Paul Chodas and Steve Chesley NASA/JPL Near-Earth Object Program Office January 2,...
3811
Julian Parks
baadesstar
Jan 3, 2008 5:55 pm
The Astronomical League has an updated webpage. See their "Sky this Week - Dec 30 thru Jan 5, 2008" for the week's sky events or their homepage at...
3812
Julian Parks
baadesstar
Jan 8, 2008 2:49 am
"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...
3813
Bruce Kamiat
brucek10032
Jan 8, 2008 4:23 am
... From: "Elizabeth Stachow" <stachow@...> To: "department" <star-struck@...> Sent: Monday, January 07, 2008 10:55 AM Subject: [star-struck]...
3814
Bruce Kamiat
brucek10032
Jan 9, 2008 5:51 am
Only a 1:40 chance according to latest estimates. http://news.yahoo.com/s/space/20080109/sc_space/asteroidschancesofsmackingmarsdip The chances of an asteroid...
3815
Julian Parks
baadesstar
Jan 10, 2008 10:48 pm
"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...
3816
Julian Parks
baadesstar
Jan 11, 2008 8:29 pm
Meade Instruments, Star Instruments and RC Optical Systems Agree to Settlement See bottom of page for article at ...
3817
Bruce Kamiat
brucek10032
Jan 12, 2008 5:43 am
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,...
3818
Bruce Kamiat
brucek10032
Jan 13, 2008 2:11 am
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...
3819
Julian Parks
baadesstar
Jan 14, 2008 2:45 am
"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...
3820
Bruce Kamiat
brucek10032
Jan 18, 2008 3:20 am
... From: "Carolyn Porco" <cpcomments@...> To: <undisclosed-recipients:> Sent: Thursday, January 17, 2008 12:22 PM Subject: Fwd: Humanists to Honor...
3821
Julian Parks
baadesstar
Jan 22, 2008 11:45 pm
"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...
3822
Julian Parks
baadesstar
Jan 22, 2008 11:51 pm
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...
3823
Finkemeier, Markus
MarkusF
Jan 22, 2008 11:57 pm
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...
3824
Julian Parks
baadesstar
Jan 23, 2008 3:01 am
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, ...
3825
Julian Parks
baadesstar
Jan 23, 2008 11:23 am
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...
3826
Finkemeier, Markus
MarkusF
Jan 23, 2008 2:32 pm
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...
3827
Bruce
brucek10032
Jan 24, 2008 6:06 am
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...
3828
Julian Parks
baadesstar
Jan 25, 2008 2:43 am
Thanks, Markus Julian ... From: "Finkemeier, Markus" <markus.finkemeier@...> To: <guildofmanhattansidewalkastronomers@yahoogroups.com> Sent: Wednesday,...
3829
Julian Parks
baadesstar
Jan 25, 2008 2:43 am
... From: <meteors@...> To: <parksje@...> Sent: Thursday, January 24, 2008 12:44 PM Subject: Re: Delta Cancrids...
3830
Julian Parks
baadesstar
Jan 25, 2008 2:46 am
Bruce, You're welcome. This is a great site to see other's questions and answers on these topics. Julian ... From: "Bruce" <sn1951bk@...> To:...
3831
Bruce Kamiat
brucek10032
Jan 25, 2008 4:35 am
Astrophysics Data System (ADS)The NASA Astrophysics Data System is a good portal site for astrophysics research. Abstracts are available for many publications...
3832
Julian Parks
baadesstar
Jan 25, 2008 9:58 pm
"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...
3833
Julian Parks
baadesstar
Jan 25, 2008 10:02 pm
"Counting Mercury’s Craters" "One of many investigations underway includes identifying and measuring the impact craters on these previously unseen regions....
3834
Julian Parks
baadesstar
Jan 25, 2008 10:05 pm
"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...
3835
Julian Parks
baadesstar
Jan 27, 2008 1:07 am
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...
3836
Julian Parks
baadesstar
Jan 27, 2008 1:15 am
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...
3837
Julian Parks
baadesstar
Jan 27, 2008 1:18 am
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...