Stephen Hawking announces $100 million hunt for alien life (1 Viewer)

JuveJay

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Mar 6, 2007
58,792
http://www.telegraph.co.uk/science/2017/02/22/nasa-announcement-live/



Nasa astronomers discover new solar system called Trappist-1 where life may have evolved on three out of seven of its planets

Life may have evolved on at least three planets within a newly discovered solar system that is 39 light years from Earth, it was announced last night.

Astronomers at the National Aeronautics and Space Administration (Nasa) have detected no less than seven roughly Earth-sized worlds orbiting a dwarf star in the system, it was announced today.

Scientists had previously only identified a tiny number of so-called “exoplanets”, which are believed to have the qualities needed to support life.

Nikole Lewis, astronomer at the Space Telescope Science Institute in Baltimore, announces the discovery of seven Earth-like planets orbiting a nearby star at NASA Headquarters in Washington, DC.

However, the new system contains an unprecedented number of Earth-sized, probably rocky planets, and is being hailed as an “accelerated leap forward” in the search for extraterrestrial life.

Three of the new planets are said to be particularly promising because they could sustain oceans. Thomas Zurbuchen, associate administrator of Nasa’s Science Mission Directorate, told a press conference in Washington: “This gives us a hint that finding a second Earth is not a matter of 'if’, but 'when’.”

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There is always a big deal made of these discoveries of exoplanets in potential habitable zones, but this one has a stronger statistical chance than any others we've found so far.
 

radekas

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Aug 26, 2009
14,438
Too bad that planets orbiting Red Dwarfs are most likely tidal locked and the radiation levels are way higher than on planets orbiting main-sequence stars. Life on them is not really likely.
 

JuveJay

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Moderator
Mar 6, 2007
58,792
Too bad that planets orbiting Red Dwarfs are most likely tidal locked and the radiation levels are way higher than on planets orbiting main-sequence stars. Life on them is not really likely.
Intelligent life. Depends what you are really looking for. Red dwarves are believed to have a life span many times more than ordinary stars, so that potentially gives life a long time to develop. Great numbers and long life spans bring the statistical probability back up.
 

radekas

( ͠° ͟ل͜ ͡°)
Aug 26, 2009
14,438
Intelligent life. Depends what you are really looking for. Red dwarves are believed to have a life span many times more than ordinary stars, so that potentially gives life a long time to develop. Great numbers and long life spans bring the statistical probability back up.
Red Dwarfs have almost limitless lifespan actually :p. I mean when you compare them with our Sun. Like trillions years.

So yeah there is a chance for some forms of life, sure.

I would be much more interested if we could start finding habitable zone, earth-like planets orbiting main-sequence stars though.
 

General

Junior Member
Nov 23, 2016
166
http://www.telegraph.co.uk/science/2017/02/22/nasa-announcement-live/



Nasa astronomers discover new solar system called Trappist-1 where life may have evolved on three out of seven of its planets

Life may have evolved on at least three planets within a newly discovered solar system that is 39 light years from Earth, it was announced last night.

Astronomers at the National Aeronautics and Space Administration (Nasa) have detected no less than seven roughly Earth-sized worlds orbiting a dwarf star in the system, it was announced today.

Scientists had previously only identified a tiny number of so-called “exoplanets”, which are believed to have the qualities needed to support life.

Nikole Lewis, astronomer at the Space Telescope Science Institute in Baltimore, announces the discovery of seven Earth-like planets orbiting a nearby star at NASA Headquarters in Washington, DC.

However, the new system contains an unprecedented number of Earth-sized, probably rocky planets, and is being hailed as an “accelerated leap forward” in the search for extraterrestrial life.

Three of the new planets are said to be particularly promising because they could sustain oceans. Thomas Zurbuchen, associate administrator of Nasa’s Science Mission Directorate, told a press conference in Washington: “This gives us a hint that finding a second Earth is not a matter of 'if’, but 'when’.”

=========================

There is always a big deal made of these discoveries of exoplanets in potential habitable zones, but this one has a stronger statistical chance than any others we've found so far.
apparently they're not that habitable
 

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