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Why havent we had alien contact Blame icy ocean worlds

first_img Country * Afghanistan Aland Islands Albania Algeria Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia, Plurinational State of Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo, the Democratic Republic of the Cook Islands Costa Rica Cote d’Ivoire Croatia Cuba Curaçao Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Holy See (Vatican City State) Honduras Hungary Iceland India Indonesia Iran, Islamic Republic of Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea, Democratic People’s Republic of Korea, Republic of Kuwait Kyrgyzstan Lao People’s Democratic Republic Latvia Lebanon Lesotho Liberia Libyan Arab Jamahiriya Liechtenstein Lithuania Luxembourg Macao Macedonia, the former Yugoslav Republic of Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Mexico Moldova, Republic of Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island Norway Oman Pakistan Palestine Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Qatar Reunion Romania Russian Federation Rwanda Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Swaziland Sweden Switzerland Syrian Arab Republic Taiwan Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States Uruguay Uzbekistan Vanuatu Venezuela, Bolivarian Republic of Vietnam Virgin Islands, British Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe NASA The idea is intriguing, says psychologist Douglas Vakoch, president of the San Francisco, California–based Messaging Extraterrestrial Intelligence, though he believes there’s no need to invoke the Fermi paradox. Biochemical indications of life are simply hard to detect remotely, he says, and it will likely take new telescopes and techniques to find them. If they don’t find us first, says Stern, it could be because they decide long-distance communication isn’t worthwhile, especially if they think everybody else is trapped in their own little icy bubbles. Why haven’t we had alien contact? Blame icy ocean worlds Sign up for our daily newsletter Get more great content like this delivered right to you! Country By Adam MannOct. 19, 2017 , 2:30 PMcenter_img Click to view the privacy policy. Required fields are indicated by an asterisk (*) Email Geysers shoot from Saturn’s icy moon Enceladus, providing evidence for a global subsurface ocean. Might ET be buried under too much ice to phone Earth? That’s what planetary scientist Alan Stern of the Southwest Research Institute in Boulder, Colorado, has concluded may be delaying our contact with alien civilizations. Most extraterrestrial creatures are likely deep inside their home planets, in subsurface oceans crusted over in frozen water ice, according to a new proposal at this year’s American Astronomy Society Division for Planetary Sciences meeting in Provo, Utah. The hypothesis could explain the lack of signals from other technologically advanced civilizations, a conundrum known as the Fermi paradox.It’s only recently that astronomers have come to appreciate how common oceans are in our solar system; evidence for them can be seen on several moons of Jupiter, Saturn, and Neptune, and even distant Pluto. These worlds all have water ice as a major component of their crusts, which forms towering mountains and cracked canyons on their surfaces but melts into liquid water at lower depths. Hydrothermal vents on these ocean beds might pump nutrients into their surroundings, similar to ecosystems at the bottom of Earth’s oceans. Such nurseries for life—shielded from space by a thick ice shell—might even be more productive than our own exposed environment.And should living organisms on icy ocean worlds evolve into intelligent creatures, they probably wouldn’t know the night sky as well as us humans. Perhaps the equivalent of their “space program” would simply be boring through to the frozen surface of their planet, Stern suggests. His proposal wasn’t based on new evidence, but for the first time links up the prevalence of icy ocean worlds with the lack of alien signals.last_img

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