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Forum registration has been restored

Last post by onetwothree « 29.06.2024, 10:58
Posted in Announcements

by onetwothree » 29.06.2024, 10:58 » in Announcements

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29.06.2024, 10:58
Please cleanup old attachments

Last post by DaveBowman2001 « 30.08.2024, 23:28
Posted in Announcements
Replies: 9
by onetwothree » 15.07.2023, 19:26 » in Announcements

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30.08.2024, 23:28

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Physics and Astronomy Forum

Last post by Markk786 « 28.07.2017, 01:51
Replies: 4
by chris » 27.06.2003, 02:16

4 Replies

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28.07.2017, 01:51
Lunar eclipse during the night of 28 October 2023

Last post by EarthMoon « 28.10.2023, 15:56

by EarthMoon » 28.10.2023, 15:56

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28.10.2023, 15:56
Collection of formulas and equations

Last post by EarthMoon « 21.10.2023, 10:22
Replies: 1
Attachment(s) by EarthMoon » 20.10.2023, 13:50

1 Replies

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21.10.2023, 10:22
WR 140 JWST

Last post by symaski62 « 13.10.2022, 13:16

Attachment(s) by symaski62 » 13.10.2022, 13:16

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13.10.2022, 13:16
DART spacecraft impacts on Dimorphos (new: Celestia animation of impact)

Last post by EarthMoon « 27.09.2022, 05:02
Replies: 3
by EarthMoon » 26.09.2022, 18:09

3 Replies

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27.09.2022, 05:02
Sloan Digital Sky Survey (SDSS-IV) in Celestia?

Last post by john71 « 31.08.2022, 18:06

by john71 » 31.08.2022, 18:06

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31.08.2022, 18:06
JWST's first images

Last post by trappistplanets « 13.07.2022, 12:14
Replies: 3
Attachment(s) by SevenSpheres » 11.07.2022, 22:46

3 Replies

10501 Views

Last post by trappistplanets View the latest post
13.07.2022, 12:14
Gaia EDR3 released

Last post by SevenSpheres « 14.06.2022, 02:01
Replies: 2
by SevenSpheres » 03.12.2020, 17:15

2 Replies

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14.06.2022, 02:01
Zooniverse, Planet Hunters TESS

Last post by trappistplanets « 27.04.2022, 19:01
Replies: 4
Attachment(s) by trappistplanets » 06.02.2022, 17:00

4 Replies

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27.04.2022, 19:01
SOHO Visible Light Sun

Last post by MrSpace43 « 06.04.2022, 18:19

Attachment(s) by MrSpace43 » 06.04.2022, 18:19

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06.04.2022, 18:19
Asteroid tracking tool from nasa

Last post by gironde « 14.12.2021, 21:56
Replies: 2
by Janus » 14.12.2021, 21:02

2 Replies

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Last post by gironde View the latest post
14.12.2021, 21:56
Exoplanet Misconceptions

Last post by Eric Nelson « 19.06.2021, 02:12
Replies: 15
Attachment(s) by SevenSpheres » 08.06.2021, 18:32

15 Replies

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Last post by Eric Nelson View the latest post
19.06.2021, 02:12
Juno Ganymede flyby

Last post by trappistplanets « 11.06.2021, 13:06
Replies: 9
Attachment(s) by trappistplanets » 06.06.2021, 14:46

9 Replies

15174 Views

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11.06.2021, 13:06
Hypothetical: Specific Rogue planet. When could be its discovery date given its orbital, size, and albedo parameters?

Last post by PlutonianEmpire « 05.06.2021, 03:49
Replies: 2
by PlutonianEmpire » 04.06.2021, 14:54

2 Replies

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Last post by PlutonianEmpire View the latest post
05.06.2021, 03:49
Gaia search question.

Last post by SevenSpheres « 01.04.2021, 17:28
Replies: 3
Attachment(s) by Janus » 31.03.2021, 17:17

3 Replies

13458 Views

Last post by SevenSpheres View the latest post
01.04.2021, 17:28
Geographic coordinates with JPL Horizon

Last post by Astro_Fox « 21.03.2021, 08:28

by Astro_Fox » 21.03.2021, 08:28

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12636 Views

Last post by Astro_Fox View the latest post
21.03.2021, 08:28
Should we reply to the WOW! Signal?

Last post by fyr02 « 22.12.2020, 18:45
Replies: 2
by alfa015 » 14.11.2020, 15:05

2 Replies

11090 Views

Last post by fyr02 View the latest post
22.12.2020, 18:45
An invisible barycenter of the four gas giants entering the inner Solar System in 2029

Last post by Paradigmer « 20.12.2020, 02:58
Replies: 6
by Paradigmer » 01.12.2020, 06:40

6 Replies

11779 Views

Last post by Paradigmer View the latest post
20.12.2020, 02:58
The qualitative predictions for solar cycle 25

Last post by Paradigmer « 26.11.2020, 15:02
Replies: 4
by Paradigmer » 23.10.2020, 15:16

4 Replies

9726 Views

Last post by Paradigmer View the latest post
26.11.2020, 15:02
New Small Rogue Planet found

Last post by SevenSpheres « 30.10.2020, 17:55
Replies: 1
by Duglis » 30.10.2020, 04:26

1 Replies

8302 Views

Last post by SevenSpheres View the latest post
30.10.2020, 17:55
Other exotic space objects

Last post by SVision « 06.10.2020, 19:50

by SVision » 06.10.2020, 19:50

0 Replies

10104 Views

Last post by SVision View the latest post
06.10.2020, 19:50
Phosphine detected in the atmosphere of Venus

Last post by SevenSpheres « 14.09.2020, 20:13
Replies: 2
by Daly » 14.09.2020, 18:09

2 Replies

8628 Views

Last post by SevenSpheres View the latest post
14.09.2020, 20:13
I designed a crewed interstellar spacecraft

Last post by alfa015 « 17.07.2020, 23:27
Replies: 1
by alfa015 » 04.07.2020, 11:38

1 Replies

8621 Views

Last post by alfa015 View the latest post
17.07.2020, 23:27
New NASA citizen science project to find exoplanets

Last post by spacecat « 23.06.2020, 06:58
Replies: 2
by alfa015 » 06.05.2020, 21:35

2 Replies

8794 Views

Last post by spacecat View the latest post
23.06.2020, 06:58
ISS Docking simulator by SpaceX

Last post by Janus « 13.05.2020, 14:55

by Janus » 13.05.2020, 14:55

0 Replies

10117 Views

Last post by Janus View the latest post
13.05.2020, 14:55
Do you think we should attempt contact with aliens?

Last post by bluemoon « 19.04.2020, 04:35
Replies: 1
by alfa015 » 19.04.2020, 04:08

1 Replies

7789 Views

Last post by bluemoon View the latest post
19.04.2020, 04:35
Greatest supernova

Last post by jujuapapa « 15.04.2020, 07:30

by jujuapapa » 15.04.2020, 07:30

0 Replies

9638 Views

Last post by jujuapapa View the latest post
15.04.2020, 07:30
Astronomers will be able to image Earth-like planets by 2025

Last post by Joey P. « 14.04.2020, 07:11
Replies: 1
Attachment(s) by alfa015 » 22.02.2020, 16:51

1 Replies

7663 Views

Last post by Joey P. View the latest post
14.04.2020, 07:11
If you are bored at home, this might entertain you

Last post by pirogronian « 23.03.2020, 09:28
Replies: 1
by alfa015 » 23.03.2020, 03:59

1 Replies

7586 Views

Last post by pirogronian View the latest post
23.03.2020, 09:28
Astrophotography

Last post by Anthony_B_Russo10 « 09.03.2020, 23:01
Replies: 5
Attachment(s) by LukeCEL » 08.03.2020, 23:53

5 Replies

8880 Views

Last post by Anthony_B_Russo10 View the latest post
09.03.2020, 23:01
Physicality

Last post by pittsburghjoe « 04.03.2020, 23:53

by pittsburghjoe » 04.03.2020, 23:53

0 Replies

8348 Views

Last post by pittsburghjoe View the latest post
04.03.2020, 23:53
If we looked into Observation / Measurement in QM, is this what we would find?

Last post by pittsburghjoe « 26.02.2020, 00:11

by pittsburghjoe » 26.02.2020, 00:11

0 Replies

8558 Views

Last post by pittsburghjoe View the latest post
26.02.2020, 00:11
Signature colors of planets

Last post by Joey P. « 13.02.2020, 19:08
Replies: 4
This topic has a poll. by Joey P. » 04.02.2020, 04:08

4 Replies

8626 Views

Last post by Joey P. View the latest post
13.02.2020, 19:08
Plants in Super Habitable Exoplanets Could Look Purple

Last post by alfa015 « 09.02.2020, 15:49
Replies: 1
by alfa015 » 31.12.2019, 22:18

1 Replies

7314 Views

Last post by alfa015 View the latest post
09.02.2020, 15:49
Is this an accurate color/temprature guide?

Last post by Joey P. « 06.02.2020, 06:07
Replies: 2
by Janus » 04.02.2020, 22:16

2 Replies

7554 Views

Last post by Joey P. View the latest post
06.02.2020, 06:07
What if the Mandelbrot set is connected to black holes?

Last post by pittsburghjoe « 05.02.2020, 02:04
Replies: 1
by pittsburghjoe » 04.02.2020, 01:12

1 Replies

7325 Views

Last post by pittsburghjoe View the latest post
05.02.2020, 02:04
I may have figured out Dark Matter and a Unified Theory

Last post by Joey P. « 04.02.2020, 22:04
Replies: 25
1

2
by pittsburghjoe » 28.12.2019, 00:28
25 Replies

21351 Views

Last post by Joey P. View the latest post
04.02.2020, 22:04
Alpha centauri could host the closest Earth-like planet

Last post by Joey P. « 04.02.2020, 03:56
Replies: 2
by alfa015 » 27.12.2019, 23:38

2 Replies

7684 Views

Last post by Joey P. View the latest post
04.02.2020, 03:56
Debate over a new angle of mainstream QM

Last post by pittsburghjoe « 01.02.2020, 17:57

by pittsburghjoe » 01.02.2020, 17:57

0 Replies

8260 Views

Last post by pittsburghjoe View the latest post
01.02.2020, 17:57
Electric Universe Theory

Last post by pirogronian « 22.12.2019, 22:14
Replies: 38
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2
Attachment(s) by pirogronian » 16.08.2019, 05:15
38 Replies

46349 Views

Last post by pirogronian View the latest post
22.12.2019, 22:14
Spectral colors above class "O"

Last post by Joey P. « 20.11.2019, 23:22
Replies: 20
1

2
by fsgregs » 14.03.2005, 02:16
20 Replies

21549 Views

Last post by Joey P. View the latest post
20.11.2019, 23:22
Yes, neutron stars now have a classification system

Last post by Joey P. « 20.11.2019, 23:21

by Joey P. » 20.11.2019, 23:21

0 Replies

8312 Views

Last post by Joey P. View the latest post
20.11.2019, 23:21
So, 12 planets eh?

Last post by Joey P. « 18.11.2019, 22:46
Replies: 49
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by Neethis » 16.08.2006, 11:29
49 Replies

55375 Views

Last post by Joey P. View the latest post
18.11.2019, 22:46
Saturn is the new Moon King!

Last post by Joey P. « 18.10.2019, 05:19

by Joey P. » 18.10.2019, 05:19

0 Replies

8413 Views

Last post by Joey P. View the latest post
18.10.2019, 05:19
The mechanism of the formation of floods

Last post by Joey P. « 07.10.2019, 21:20
Replies: 19
by SpaceFanatic64 » 16.06.2019, 22:53

19 Replies

18211 Views

Last post by Joey P. View the latest post
07.10.2019, 21:20
Earth as an exoplanet

Last post by Joey P. « 07.10.2019, 21:20
Replies: 1
by john71 » 29.08.2019, 09:41

1 Replies

8480 Views

Last post by Joey P. View the latest post
07.10.2019, 21:20
OMG! Planet Nine may be a black hole

Last post by Joey P. « 30.09.2019, 05:00
Replies: 2
by Joey P. » 28.09.2019, 19:41

2 Replies

8128 Views

Last post by Joey P. View the latest post
30.09.2019, 05:00
Theories on how the Solar System was formed

Last post by Joey P. « 26.09.2019, 22:06

by Joey P. » 26.09.2019, 22:06

0 Replies

8699 Views

Last post by Joey P. View the latest post
26.09.2019, 22:06
HOLY-CARAMBA!!!!! This is a large quasar group

Last post by pirogronian « 02.09.2019, 10:20
Replies: 2
by kristoffer » 11.01.2013, 20:34

2 Replies

10634 Views

Last post by pirogronian View the latest post
02.09.2019, 10:20
Black Holes: Overweight Neutron Stars?

Last post by Joey P. « 31.08.2019, 01:28
Replies: 12
by PlutonianEmpire » 04.09.2009, 00:33

12 Replies

17690 Views

Last post by Joey P. View the latest post
31.08.2019, 01:28

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