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1. Ice Water Worlds
   I am getting caught up with my Astronomy magazine reading and was reading the article “Saturn’s small wonders” in the March 2018 issue in which Francis Reddy discusses how “the Saturn system is also h …
2. Planets With Four Suns May Be Not So Rare After All
   While numerous two- and three-star systems containing planets have been discovered (with planet-harboring binary-star systems possibly outnumbering planet-harboring single star systems), four-star sys …
3. Asimov's Nightfall
   Nightfall Begins Magazine editor John W. Campbell asked Isaac Asimov to write a story based on a quote from Ralph Waldo Emerson, published in chapter 1 of Nature, Addresses and Lectures: If the stars …
4. (Mostly) Water Worlds
   Imagine a super Earth that is mostly covered in water. Landmasses are few and scattered. What would be the consequences for the development of an advanced civilization? Landmass Size For development o …
5. Very Elliptical Orbits and Possible Life
   As Spock Would Say? From time to time I read about how planets in very elliptical orbits, orbits which take the planet in and out of the star’s habitable zone, will probably not harbor life. Just too …
6. New Technique to Weigh Planets
   New Technique to Weigh Planets Summary: For the first time, scientists have developed a method for determining the mass of non-transiting exoplanets. The research could even lead to techniques for det …
7. All Known (as of June 2012) Planets to Scale (drawn by xkcd)
   http://xkcd.com/1071/ http://www.planetary.org/blogs/mat-kaplan/20120620-xkcd-all_exoplanets.html …
8. Exoplanet Study Suggests our Solar System is the Norm
   Astrobiology Magazine Exoplanet Study Suggests our Solar System is the Norm Source: Centro de Astrofisica da Universidade do Porto press release Cosmic Evolution  Posted:   04/14/12 Summary: A new stu …
9. The Elusive "Wow!"
   The Elusive “Wow!” – What We Do | The Planetary Society The Quest for the “WOW!” – One Man’s search for SETI’s Most Promising Signal Review of Robert H. Gray, The Elusive Wow: Searching for Extraterre …
10. Alien Life: Potential habitability of 55 Cancri AB star system and why life began to produce oxygen
    Alien Life: Potential habitability of 55 Cancri AB star system and why life began to produce oxygen …
11. Creatures Frozen for 32,000 Years Still Alive
    Creatures frozen for 32,000 years still alive – Technology & science – Science – LiveScience – msnbc.com “The existence of microorganisms in these harsh environments suggests — but does not promise — …
12. SETI Home needs your help.
      December 2011 Dear SETI@home Volunteer: We need your help to continue the search for extraterrestrial intelligence! For the last eleven years, SETI@home has brought the search for extraterrestrial i …
13. Kepler Confirms ExoPlanet in a Habitable Zone
    An exciting development – a Earth-like planet in a habitable zone (even possible that it has Earth-like temperatures). I am sure this planet will be the target of many investigations, especially as ne …
14. xkcd: The Corliss Resolution
    …
15. Youngest Planet Seen As It’s Forming
    Kamuela, HI – The first direct image of a planet in the process of forming around its star has been captured by astronomers who combined the power of the 10-meter Keck telescopes with a bit of optical …
16. TAKE ACTION ALERT! Tell the White House to Let NASA Explore Mars
    Humanity’s exploration of Mars will be put on hold for the foreseeable future. We can’t let that happen! ACT NOW! TAKE ACTION ALERT! Tell the White House to Let NASA Explore Mars The October 12 deadli …
17. Become a Planet Hunter and Help Find the Next Exoplanet!
    Want to help find exoplanets, but don’t have access to major observatory or space telescope? Despair not, for anyone can join the Planet Hunters for free and begin helping professional astronomers wad …
18. Why explore space?
    We will go back to the moon. We will send humans to Mars. We will explore asteroids. We will continue the search for exoplanets, especially for those capable of harboring life. Human beings, generally …
19. SETI's telescopes to go back online, resuming hunt for alien life
    SETI’s telescopes to go back online, resuming hunt for alien life This week the SETI (Search for Extraterrestrial Intelligence) Institute announced that it had raised more than $200,000 from a crowd-s …
20. US Airmen give testimony at UFO press conferece.
    UFO Press Conference 27 September 2010, seven former Air Force officers spoke of UFO incidents at nuclear defense bases where the UFOs disabled the nuclear weapons. Interesting testimony, if true (not …
21. Why the Silence from E.T.?
    Humorous, but as in all good humor, a kernel of truth? I was thinking on this very thought for awhile – would advanced, especially postbiologic, beings either destroy themselves or get so wrapped up i …
22. Binary Stars: A Rough Neighborhood
    NASA/JPL-Caltech In an earlier post, Planets thrive around binary star systems, we learned that planetary systems around binary stars, specifically tight binary stars, may be more common than planetar …
23. Life in the Infrared
    In1996 scientists were surprised to find a version of chlorophyll, chlorophyll d, in a cyanobacterium (blue-green algae or blue-green bacteria) that can photosynthesize light at 710nm, just in the inf …
24. Book Reviews
    Update: Sorry, but this is on hold.Book reviews will focus on topics related to exoplanets and astrobiology. These will mainly be non-fiction works, though I will also review the occasional pertinent …
25. A Tour of the Exoplanets in Celestia
    Celestia is a freeware program that doesn’t confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy.Some folk have …