Sure, Armstrong's walk on the Moon was remarkable.  Our space exploits helped bankrupt the Soviet Union, leading to the end of the Cold War.  Yes, the James Webb Space Telescope is doing wonders.   However, maybe the most impressive NASA space project has to be those two Voyagers hurtling into interstellar space.  You can keep track of their status  here .  Voyager 1 is 14.8 billion miles and Voyager II is 12.4 billion miles away from Planet Earth.  They are moving along at 38,027 miles/hour (I) and 34,391 MPH (II).  It has been more than 45 years since they were launched.  Light would take more than 22 hours to reach Voyager I.  Every day they move away by another three to four light-seconds.   See Voyager I's path . Tim Folger has an excellent article in the July 2022 issue of  Scientific American , entitled  Record-Breaking Voyager Spacecraft Begin to Power Down .  I'd recommend you read it, but the story is so extraordinary that I feel compelled to summarize the essence

The latest photos from the   James Webb Space Telescope   were again noteworthy.  While earlier shots peered deep into space, the newest two featured Jupiter: See that white spot?  This is the Great Red Spot, a storm so big that it could swallow Planet Earth.  Why is the color white?  That circle reflects a lot of sunlight.  This is the usual graphic. The image also shows two tiny moons, Amalthea and Adrastea.   How many of you know how many moons are circling Jupiter ?  There are 80, plus other moonlets.   The largest moons are Io, Europa, Ganymede and Callisto, all discovered by Galileo Galilei in 1610.  There is a naming-pattern to these moons:  lovers and sexual partners of Roman god Jupiter, or his Greek equivalent Zeus.  23 of them have yet to be named.  They should begin to add those of  Eros . Actually, there are Chinese astronomical records reporting in 356 BC that Gan De detected a moon of Jupiter, probably Ganymede, with the naked eye.  Reportedly, he used a tree to "oc