|
You are a deprived generation--one of these hasn't put on a really good show in the Northern Hemisphere since Hale-Bopp in 1997 |
a comet
|
$400 |
DJ |
THE SOLAR SYSTEM |
2020-04-08 |
#8198 |
|
In November 2014 a spacecraft named Rosetta is scheduled to orbit the nucleus of 67P, one of these |
a comet
|
$800 |
DJ |
ASTRONOMY |
2013-09-24 |
#6672 |
|
A coma is found around the head of one of these, which also takes its name from the Greek for "hair" |
a comet
|
$1,600 |
DJ |
ASTRONOMY |
2009-01-20 |
#5612 |
|
On July 4, 2005 the probe Deep Impact blasted a crater in Tempel 1, one of these celestial travelers |
a comet
|
$1,600 |
DJ |
SPACE |
2008-02-15 |
#5400 |
|
On Jan. 2, 2004 the Stardust probe collected dust samples from Wild 2, one of these, & is returning them to Earth |
a comet
|
$400 |
DJ |
THE SOLAR SYSTEM |
2004-05-28 |
#4555 |
|
First seen in 1995, Hale-Bopp, a famous one of these, should be back in another 2-3,000 years |
a comet
|
$200 |
J |
ASTRONOMY & SPACE |
2003-11-17 |
#4416 |
|
Encke's, one of these, has a return period of under 4 years; Halley's is 76 years |
a comet
|
$100 |
J |
ASTRONOMY |
1995-07-18 |
#2522 |
|
When seen together, the coma & nucleus of one of these heavenly bodies are called the head |
a comet
|
$200 |
DJ |
ASTRONOMY |
1995-05-09 |
#2472 |
|
Most of the meteors in a meteor shower are debris left behind by one of these tailed bodies |
a comet
|
$100 |
J |
ASTRONOMY & SPACE |
1994-03-22 |
#2207 |
|
As they approach the sun, some of these develop tails as long as 100 million miles |
a comet
|
$400 |
DJ |
ASTRONOMY |
1992-11-16 |
#1886 |
|
The nucleus or core of one of these is said to resemble a large, dirty snowball |
a comet
|
$200 |
DJ |
ASTRONOMY |
1992-10-14 |
#1863 |
|
The one of these with the shortest known orbit period, 3.3 years, is Encke |
a comet
|
$600 |
DJ |
ASTRONOMY |
1989-10-02 |
#1166 |
|
From Greek "long-haired", they have tails up to a hundred million miles |
a comet
|
$500 |
J |
ASTRONOMY |
1985-04-24 |
#163 |