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Sending astronauts to Mars would be stupid, astronaut says by StarDust
https://www.bbc.com/news/science-environment-46364179 I think so too! Maybe another 50 years, but by than robots going to be so sophisticated , no need for...
December 25th 18 03:09 AM
by StarDust Go to last post
4 470
A gift for Christmas by Gerald Kelleher
It is so much fun matching the positions of the faster moving planets and especially Mercury with actual time lapse footage...
December 24th 18 09:03 PM
by Gerald Kelleher Go to last post
0 489
How do you pronounce Pleiades? by [email protected]
On Wednesday, April 28, 1999 at 12:00:00 AM UTC-7, Allan Tingey wrote: How do you pronounce Pleiades? It's Plea-AWE-dess accent on the middle syllable....
December 23rd 18 03:06 AM
by palsing[_2_] Go to last post
2 447
Light pollution! by StarDust
Clearly seen in this space video, Earth at night! https://www.youtube.com/watch?v=XT3voFvVEcI
December 22nd 18 04:05 PM
by StarDust Go to last post
0 411
Space walk!!!! by StarDust
https://www.youtube.com/watch?v=0zj8uXo9_yg Allsome view of earth!
December 22nd 18 02:10 PM
by StarDust Go to last post
0 412
If some gravity "leaks" into a 4th physical dimension, why can't theymeasure the loss? by RichA[_6_]
They measured gravity waves from colliding neutron stars and black holes, how much more difficult would it be to measure gravity loss? They call the dimension...
December 22nd 18 03:22 AM
by RichA[_6_] Go to last post
0 371
Solstice December 2018 by Gerald Kelleher
The great forward motion of the Earth through space has turned the North and South Poles to their appointed positions on the Solstice...
December 21st 18 04:58 AM
by Gerald Kelleher Go to last post
1 396
Korolev crater filled with ice. by StarDust
https://mashable.com/article/mars-ice-korolev-crater-photo-esa/#XE.8O3VEHsqJ Amazing! Why NASA not send robots here?
December 21st 18 01:23 AM
by StarDust Go to last post
0 354
Documentary about Cassini includes LOONS who protested over its power source by RichA[_6_]
It was a resounding success of course and the protesters probably went back to their half-way houses. https://www.youtube.com/watch?v=uE5POhMnN78
December 20th 18 03:56 AM
by RichA[_6_] Go to last post
0 386
I wonder if you could make a larger, longer-lived black hole? by RichA[_6_]
https://mashable.com/2017/05/31/x-ray-laser-molecular-black-hole/#6dhKHxjCHSqi
December 19th 18 07:36 AM
by RichA[_6_] Go to last post
0 450
Susskind: Large Hadron Collider unproductive by RichA[_6_]
Yes, it did facilitate providing proof of the Higgs, but hasn't done anything since then. Begs the question if building an even larger, costlier linear...
(Multi-page thread 1 2)
December 18th 18 11:10 AM
by [email protected] Go to last post
11 517
Comet 46P Wirtanen & Pleiades in Real Time by StarDust
https://www.youtube.com/watch?v=JkxP0ngip3o Nice! So faint?
December 18th 18 09:12 AM
by Martin Brown[_3_] Go to last post
4 497
Myth of earliest sunset on the Solstice by Gerald Kelleher
The December Solstice represents an event when there are two types of noon and two types of midnight within the same 24 hour day. Within the Polar day at the...
December 18th 18 08:11 AM
by Gerald Kelleher Go to last post
0 508
Myth of earlier sunrise on Solstice by Gerald Kelleher
The December Solstice represents an event when there are two types of noon and two types of midnight within the same 24 hour day. Within the Polar day at the...
December 18th 18 08:09 AM
by Gerald Kelleher Go to last post
0 498
Major Tom (Coming Home) by StarDust
Cool space video mix! https://www.youtube.com/watch?v=OMDbX1zksgI Standing there alone, the ship is waiting All systems are go, are you sure? Control is not...
December 15th 18 08:44 AM
by StarDust Go to last post
0 438
Can't see the comet 46P/Wirtanen because it's like winter 1986 here by RichA[_6_]
By that I mean the Halley era. 3 solid months of clouds without a break. Maybe Saturday will be partly-clear.
December 14th 18 12:22 AM
by RichA[_6_] Go to last post
4 672
46P, can't see by StarDust
I live in the city, major light pollution, could not see 46P with my 80mm APO, mounted on NexStar GT goto. I know my GOTO points to the right location. I slew...
(Multi-page thread 1 2 3 ... Last Page)
December 13th 18 07:41 PM
by Mike Collins[_4_] Go to last post
59 1,070
Lat/Long and timekeeping system for Mars by Gerald Kelleher
It took many, many millions of years for life on Earth to adapt to the 24 hour cycle notwithstanding the annual day/night cycle. The same system which applies...
(Multi-page thread 1 2 3 ... Last Page)
December 12th 18 06:49 AM
by Gerald Kelleher Go to last post
90 901
China mission launches to far side of Moon by StarDust
https://www.bbc.com/news/science-environment-46471668 So, what's on the Moon what we still don't know?
December 12th 18 04:47 AM
by StarDust Go to last post
5 765
sundial at South Pole by Gerald Kelleher
https://www.youtube.com/watch?v=pnuLTeHB3yU There is only one day/night cycle at the South Pole with Polar noon in 3 weeks on the Solstice. The residual daily...
December 9th 18 09:47 PM
by Gerald Kelleher Go to last post
2 689
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