alt.books.arthur-clarke

2

replies

How about that! 99% of the world’s population in sunlight simultaneously?

started 2022-07-08 13:14:51 UTC

2022-07-09 09:56:49 UTC

Daniel65

7

replies

wired - What Happens If a Space Elevator Breaks?

started 2022-01-23 21:14:46 UTC

2022-07-06 13:01:05 UTC

Mike Van Pelt

2

replies

Vox - Why scientists really want to know if there was ever life on Mars

started 2022-07-03 20:43:12 UTC

2022-07-04 15:04:16 UTC

a425couple

3

replies

Book "Accessory to War: The Unspoken Alliance --- " by Neil de Grasse Tyson

started 2022-05-20 03:01:03 UTC

2022-05-20 15:17:02 UTC

a425couple

3

replies

SpaceX rocket launches 53 Starlink satellites into orbit and aces landing at sea

started 2022-05-18 15:54:05 UTC

2022-05-19 06:37:06 UTC

Daniel65

3

replies

About "Planet of the Apes" (face slap!)

started 2022-04-11 21:11:10 UTC

2022-04-16 05:50:19 UTC

Ninapenda Jibini

7

replies

Hubble Telescope Captures Most Distant Star Situated 28 Billion Light-Years Away

started 2022-03-31 18:08:18 UTC

2022-04-05 12:40:49 UTC

Daniel65

3

replies

Asteroid impacts Earth just two hours after it was discovered

started 2022-03-13 17:51:58 UTC

2022-03-13 18:29:01 UTC

danny burstein

4

replies

Irontown Blues, (Eight Worlds #4), by John Varley

started 2022-03-04 23:23:03 UTC

2022-03-08 23:07:07 UTC

Lynn McGuire

12

replies

Superhabitable planets - Bigger, better, more suited for biology

started 2022-02-26 14:15:29 UTC

2022-03-06 10:03:12 UTC

Daniel65

2

replies

A benefit of space exploration - improved cell service

started 2022-01-21 17:47:20 UTC

2022-01-22 12:21:21 UTC

Jim Wilkins

5

replies

[tor dot com] Empty Earths: Five SF Stories Set on a Depopulated Planet

started 2022-01-19 14:39:58 UTC

2022-01-19 21:52:31 UTC

J. Clarke

8

replies

A Quora - Can we really stop global warming at this point?

started 2021-11-07 15:54:46 UTC

2021-11-30 16:37:27 UTC

Jeff Hill

2

replies

Is Mars habitable? Well, maybe. (NASA does youtube classes)

started 2021-11-02 23:04:19 UTC

2021-11-04 18:00:53 UTC

a425couple

1

reply

The James Webb Space Telescope will be 100 times as powerful as the Hubble.

started 2021-09-25 17:34:45 UTC

2021-11-04 11:33:55 UTC

98.6%

2

replies

George Orwell's "1984" used in a negative judgement of Australia

started 2021-09-03 15:08:41 UTC

2021-09-04 12:32:05 UTC

Jonathan

4

replies

Finished the Rama series, but questions remain... [SPOILERS]

started 2019-01-24 13:45:09 UTC

2021-09-02 20:17:28 UTC

GARRY GRANT

1

reply

NASA is actively searching for intelligent life in the universe

started 2021-07-10 20:26:06 UTC

2021-07-10 22:00:39 UTC

R Kym Horsell

1

reply

signs of life nr saturn?

started 2021-07-10 20:28:23 UTC

2021-07-10 21:43:57 UTC

R Kym Horsell

2

replies

China wants to build a sustainable human presence on Mars. Here's how.

started 2021-06-17 23:03:41 UTC

2021-06-23 20:50:43 UTC

c***@optimum.net

1

reply

Saturn's moon Titan is a tantalizing world, how difficult to bring to Earth?

started 2021-05-16 10:05:57 UTC

2021-05-16 10:05:59 UTC

a425couple

16

replies

Are We Alone ?

started 2021-05-13 19:39:53 UTC

2021-05-16 10:05:55 UTC

Daniel65

1

reply

a Quora - Will the Voyager probes last for eternity assuming they don't hit something

started 2021-04-12 19:44:54 UTC

2021-04-13 13:04:34 UTC

Daniel65

1

reply

No Alien Contact ? - A very good Thing !

started 2021-03-08 23:11:32 UTC

2021-03-15 08:26:16 UTC

a425couple

18

replies

OT - anybody here watching the TV pilot & series "Debris" ?

started 2021-03-07 10:36:48 UTC

2021-03-14 07:23:43 UTC

Dorothy J Heydt

2

replies

Anti-time

started 2021-02-24 10:44:35 UTC

2021-02-25 00:24:50 UTC

The Starmaker

2

replies

Watch a Billion Years of Shifting Tectonic Plates in 40 Mesmerising Seconds

started 2021-02-11 10:28:47 UTC

2021-02-12 11:36:09 UTC

Robert Woodward

5

replies

science doesnt want to find aliens

started 2021-01-27 23:36:38 UTC

2021-02-01 03:36:00 UTC

The Starmaker

1

reply

Red & Rover 1-18-2021 MLK dreams

started 2021-01-19 03:38:08 UTC

2021-01-19 06:16:18 UTC

Default User

1

reply

What Would Happen If China Made First Contact With Extraterrestrials?

started 2021-01-11 09:40:59 UTC

2021-01-11 10:41:42 UTC

R Kym Horsell