Free Republic
Browse · Search
General/Chat
Topics · Post Article

To: Red Badger

I thought, wow 500+ AUs away... that should be halfway to the next star... but it’s not.
500AU = .0079 light years. Proxima Centauri is 4.2 light years away. Pluto is 29 AU from the Sun, and it took New Horizon 9 years to get to Pluto.

Even our own Solar System is big, darn big.


32 posted on 01/20/2015 10:12:20 AM PST by Flick Lives ("I can't believe it's not Fascism!")
[ Post Reply | Private Reply | To 1 | View Replies ]


To: Flick Lives
Pluto is 29 AU from the Sun, and it took New Horizon 9 years to get to Pluto.

New Horizons entered directly into an Earth and Sun escape trajectory after launching on 19 January 2006 at a velocity of 58,536 km/h (36,373 mph), making it the fastest spacecraft to ever leave Earth orbit, 100 times faster than a jetliner.

After a brief encounter with asteroid 132524 APL, New Horizons proceeded to Jupiter, making its closest approach on February 28, 2007 at a distance of 2.3 million kilometers (1.4 million miles). The Jupiter flyby provided a gravity assist that increased New Horizons '​ speed by 4 km/s (14,000 km/h; 9,000 mph).

34 posted on 01/20/2015 10:21:56 AM PST by Red Badger (If you compromise with evil, you just get more evil..........................)
[ Post Reply | Private Reply | To 32 | View Replies ]

Free Republic
Browse · Search
General/Chat
Topics · Post Article


FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson