General Discussion

This forum has 634 topics, 3,130 replies, and was last updated 4 days, 3 hours ago by Dr Paul Leyland.

Viewing 20 topics - 241 through 260 (of 633 total)

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- Topic
- Voices
- Posts
- Last Post
- Photoacoustic effect
  Started by: Steve Harvey
- 5
- 6
- 4 years, 6 months ago
  Callum Potter
- Planet Nine
  Started by: Daryl Dobbs
- 1
- 1
- 4 years, 6 months ago
  Daryl Dobbs
- Feb JBAA
  Started by: Paul Anthony Brierley
- 7
- 11
- 4 years, 6 months ago
  Paul Anthony Brierley
- Surface coated mirror
  Started by: Sheridan
- 3
- 3
- 4 years, 7 months ago
  Callum Potter
- Ron Livesey
  Started by: Mark Phillips
- 4
- 4
- 4 years, 7 months ago
  Lyn Smith
- Earth calendar
  Started by: RICHARD FRANCIS PYWELL
- 1
- 1
- 4 years, 7 months ago
  RICHARD FRANCIS PYWELL
- 2021 Quiz
  Started by: Dawson
- 3
- 4
- 4 years, 7 months ago
  Dawson
- American Astronomical Society Reaches Out to Amateurs
  Started by: Michael E. Marotta
- 2
- 3
- 4 years, 7 months ago
  Michael E. Marotta
- 23rd January meeting
  Started by: Daryl Dobbs
- 2
- 2
- 4 years, 7 months ago
  Andy Wilson
- Astronomy during lockdown
  Started by: Steve Knight
- 3
- 3
- 4 years, 8 months ago
  David Swan
- 2020 – how was it for you?
  Started by: Jeremy Shears
- 14
- 14
- 4 years, 8 months ago
  John Cook
- 11 Days of Newtonmas
  Started by: Michael E. Marotta
- 1
- 1
- 4 years, 8 months ago
  Michael E. Marotta
- Christmas quiz
  Started by: Daryl Dobbs
- 4
- 4
- 4 years, 8 months ago
  Alan Snook
- European Space-Ody
  Started by: Dr Paul Leyland
- 5
- 5
- 4 years, 8 months ago
  Alex Pratt
- Astronomy Books for Children
  Started by: Alan Thomas
- 3
- 5
- 4 years, 8 months ago
  Alan Thomas
- Hirshfeld’s “Activity and Laboratory Manual”
  Started by: Michael E. Marotta
- 1
- 2
- 4 years, 8 months ago
  Michael E. Marotta
- New Gaia data release
  Started by: Dominic Ford
- 6
- 9
- 4 years, 9 months ago
  Dominic Ford
- ‘DRAGRACER’ Satellites, Alchemy / Augury De-Orbiting Observers needed
  Started by: 100percent
- 2
- 4
- 4 years, 9 months ago
  Richard Miles
- The five great eras of the cosmos
  Started by: Rohit Korde
- 3
- 4
- 4 years, 9 months ago
  Alan Thomas
- Chang’e 5 Moon probe
  Started by: Nick James
- 1
- 1
- 4 years, 9 months ago
  Nick James

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