|
Radar images taken by the Magellan spacecraft in the 1990s helped determine that this planet has around 85,000 volcanoes |
Venus
|
$800 |
DJ |
GENERAL SCIENCE |
2024-06-19 |
#9128 |
|
In 1768 then-Lt. James Cook set off for the South Pacific to observe the transit of this planet, & many discoveries followed |
Venus
|
$800 |
DJ |
SCIENCE & EXPLORATION |
2019-11-06 |
#8088 |
|
Brighter in the night sky than any star is this planet that comes closest to the Earth |
Venus
|
$1,000 |
J |
SIMPLE SCIENCE |
2004-03-10 |
#4498 |
|
Of Venus, Mars or Saturn, the planet whose mean distance from the Sun is 67,230,000 miles |
Venus
|
$800 |
DJ |
GENERAL SCIENCE |
1997-04-30 |
#2928 |
|
After the sun & moon, this planet is the brightest object in the sky |
Venus
|
$300 |
J |
SCIENCE |
1996-04-10 |
#2683 |
|
At its brightest, this planet is the most brilliant object in the sky after the sun & moon & can cast a shadow |
Venus
|
$300 |
J |
SCIENCE |
1993-01-01 |
#1920 |
|
Planet whose length of a year is closest to ours |
Venus
|
$400 |
J |
PHYSICAL SCIENCE |
1991-06-20 |
#1584 |