作者: egofree (莫等待...)
標題: Re: 火星接近地球
時間: 2005年 8月11日 12:20:48 星期四

※ 引述《DavidChiou (邱大剛)》之銘言：
> The Red Planet is about to be spectacular!
> This month and next, Earth is catching up with Mars in an encounter 
that
> will culminate in the closest approach between the two planets in
> recorded history. The next time Mars may come this close is
> in 2287. Due to the way Jupiter's gravity tugs on
> Mars and perturbs its orbit, astronomers can only be
> certain that Mars has not come this close to Earth
> in the Last 5,000 years, but it may be as long as
> 60,000 years before it happens again.
> The encounter will culminate on August 27th when
> Mars comes to within 34,649,589 miles of Earth and
> will be (next to the moon) the brightest object in
> the night sky. It will attain a magnitude of -2.9
> and will appear 25.11 arc seconds wide. At a modest
> 75-power magnification
> Mars will look as large as the full moon to the naked eye.
> Mars will be easy to spot. At the
> beginning of August it will rise in the east at 10p.m.
>  and reach its azimuth at about 3 a.m.
> By the end of August when the two planets are
> closest, Mars will rise at nightfall and reach its
> highest point in the sky at 12:30a.m. That's pretty
> convenient to see something that no human being has
> seen in recorded history. So, mark your calendar at
> the beginning of August to see Mars grow
> progressively brighter and brighter throughout the month.
> Share this with your children and grandchildren.
> NO ONE ALIVE TODAY WILL EVER SEE THIS AGAIN

大剛兄，
看了真令人興奮！
不過，
這素不素2003年的新聞呀？^^

http://www.epochtimes.com/b5/3/8/12/c14054.htm

相關文章   

8月27日火星將比記載中任何時候更接近地球 (8/10/2003) 
                                        ^^^^^^^^^^^^  


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