Science! Astronomy & Space Exploration, and Others
Discuss all science topics, particularly the sciences relating to Astronomy and Space Exploration. This includes all the natural sciences: Physics, Chemistry, Geology, and Biology. They can include applied sciences such as engineering and construction as well. Wherever the scientific method is used, you can discuss it here.
As always, no politics, pseudo-science, crack-pottery, or anti-science.
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READ! Science Forum Virus Topics: Allowed, Subject to Firm ConditionsStarted by FirstSight , 22 Apr 2020 |
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Heads Up! Clarification on TOSStarted by JayinUT , 23 Apr 2014 |
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SASE&O Forum GuidelinesStarted by WaterMaster , 18 Jul 2013 |
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Best of Links for SASE forumStarted by LivingNDixie , 31 Jul 2007 |
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And still...no sign of intelligent life outside of EarthStarted by BillP , 08 Sep 2020 |
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Voyager Spacecraft 1 and 2Started by ChrisG2100 , 17 Sep 2020 |
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A biomarker on Venus?Started by ddegroot , 14 Sep 2020  planet
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Can You Burn Paper with Moonlight?Started by Tony Flanders , 03 Apr 2020 |
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Had Project Orion been done instead of ApolloStarted by RichA , 15 Aug 2020 |
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Barnard 168 Dark nebula with Cocoon nebulaStarted by Mr Astro , 21 Sep 2020 |
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Just For Fun, Let's Swap Out the MoonStarted by FloridaFocus , 15 Sep 2020 |
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Two Spectacular new Hubble images of Jupiter!Started by BillP , 18 Sep 2020 |
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Jupiter’s GravityStarted by Gschnettler , 16 Sep 2020 |
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The relationship between apparent magnitude and radiative flux for the same spectral band, a derivationStarted by David Sims , 16 Sep 2020 |
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Determining the Elements of a Preliminary Orbit from Four ObservationsStarted by David Sims , 13 Sep 2020 |
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Proof of eternity?Started by CygnuS , 01 Sep 2018 |
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Interesting Experiment for MarsStarted by Jeff B , 15 Sep 2020 |
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Interstellar travelStarted by Voyager 3 , 21 Aug 2020 |
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Light sails: radiation pressure and kinetic energy?Started by bitnick , 06 Sep 2020 |
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Space Station DesignsStarted by David Sims , 14 Sep 2020 |
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Venus: PhosphineStarted by InterStellarGuy , 13 Sep 2020 |
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NOAA Long Range Sunspot PredictionsStarted by AstroFalcon , 03 Sep 2020 |
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Planet 9, Nibiru, and Planet X Crackpots May Have the Last LaughStarted by Dynan , 06 Dec 2019 |
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What is a "Santilli telescope?"Started by Jimini42 , 26 Jul 2020 |
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Observing Earth from MarsStarted by TNmike , 07 Sep 2020 |
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Spacecraft and exploration modelsStarted by HouseBuilder328 , 31 May 2019 |
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Weird Science - Anti-gravity ?Started by ggiles , 04 Sep 2020 |
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Nancy Grace Roman Space Telescope Primary Mirror CompletedStarted by Augustus , 04 Sep 2020 |
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Pop science: black hole and a gas cloud pulse together in syncStarted by brian32672 , 25 Aug 2020 |
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Has Quantum theory ever predicted anything useful?Started by bcgilbert , 29 Jan 2020 |
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Angular ResolutionStarted by Araguaia , 21 Aug 2020 |
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Black hole mergerStarted by Edd Weninger , 02 Sep 2020 |
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Keck telescopes interferometerStarted by Lucullus , 01 Sep 2020 |
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Expansion of the Universe into what?Started by Culluket , 13 Jun 2020 |
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Time to sort out the word universeStarted by Culluket , 18 Jun 2020 |
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Timelapse of the FutureStarted by Fiz79 , 16 Aug 2020 |
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Time to Fall in a Plunge OrbitStarted by David Sims , 18 Aug 2020 |
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Venus uninhabitable - think again.Started by Culluket , 27 May 2020 |
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Comets now probably not so responsible for water on Earth...Started by BillP , 28 Aug 2020 |
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Punctuated Equilibrium in Metrarabdotos Debunked in New StudyStarted by astroneil , 29 Jun 2020 |
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There may be fundamental flaws with our understanding of the universe ...Started by BillP , 16 Jul 2019 |
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Oort cloud and Alpha CentauriStarted by DSOGabe , 12 Aug 2020 |
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Time, Space, and Space-TimeStarted by Otto Piechowski , 24 Jan 2020 |
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Nobel Prize for Exoplanets and AstrobiologyStarted by Lucullus , 21 Aug 2020 |
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E=mc squared but which mass becomes the energy...Started by BDS316 , 03 Feb 2020 |
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Arecibo telescope heavily damaged by cable breakStarted by RichA , 12 Aug 2020 |
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Does Our Sun Have a Long-Lost Twin?Started by Shorty Barlow , 19 Aug 2020 |
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Clockwork Universe and Free Will (or lack thereof!)Started by Gschnettler , 16 Aug 2020 |
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A funny thing happened to me on the way to MarsStarted by David Sims , 18 Aug 2020 |
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Asteroid Inbound Impact August 20th - 2020 PY2 Just Discovered2020 PY2Started by DonP , 16 Aug 2020 |
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Forum moderators:
CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.
Recent Topics
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PHD2 Calibration and picking guide star locationrussellmm - Today, 04:22 PM
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Yo Darryl and Ferret: Let's See Ya Top This!RickD_99 - Today, 03:53 PM
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Second hand telescope Orion xt 4.5 dobThenewty - Today, 03:35 PM
Beginners Forum (No astrophotography here - please read the forum description)
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