#SDCAsksPB Archive | Participate

SmithMediaNY Dec 14 @ 2:00 PM EST

Is everyone ready for our chat with Proj_Blue? #sdcaskspb via https://t.co/flyZG7kcV1

phaxyn Dec 14 @ 2:00 PM EST

SPACEdotcom: Is everyone ready for our chat with Proj_Blue? #sdcaskspb

asifpervezphd Dec 14 @ 2:01 PM EST

#Google SPACEdotcom: Is everyone ready for our chat with Proj_Blue? #sdcaskspb

SPACEdotcom Dec 14 @ 2:01 PM EST

Welcome to our Twitter Chat with @Proj_Blue! We will start our chat after some introductions by our guests today. #sdcaskspb

In reply to @proj_blue

W_I_space Dec 14 @ 2:03 PM EST

Welcome to our Twitter Chat with Proj_Blue! We will start our chat after some introductions by our guests today. #sdcaskspb

phaxyn Dec 14 @ 2:05 PM EST

SPACEdotcom: Welcome to our Twitter Chat with Proj_Blue! We will start our chat after some introductions by our guests today. #sdcaskspb

proj_blue Dec 14 @ 2:05 PM EST

Hi! We’re Project Blue, a mission to capture the 1st photo of a potential Earth-like planet orbiting Alpha Centauri. #sdcaskspb

SmithMediaNY Dec 14 @ 2:05 PM EST

Welcome to our Twitter Chat with Proj_Blue! We will start our chat after some introductions by our guests today. #sdcaskspb via Space.c…

proj_blue Dec 14 @ 2:06 PM EST

We’re running a Kickstarter campaign to help us launch this historic mission. #SDCAsksPB https://t.co/Dtv8F3Uw7N

proj_blue Dec 14 @ 2:06 PM EST

Here for next hr to answer Qs. For technical Qs we have some of our amazing science advisors on hand. #SDCAsksPB https://t.co/oPfNqSBrUu

SPACEdotcom Dec 14 @ 2:08 PM EST

Thanks for joining us! Let's start right there. Q1: What makes looking at a two star system like #AlphaCentauri so challenging? #sdcaskspb

W_I_space Dec 14 @ 2:08 PM EST

Thanks for joining us! Let's start right there. Q1: What makes looking at a two star system like #AlphaCentauri so challenging? #sdcaskspb

W_I_space Dec 14 @ 2:08 PM EST

RT proj_blue: We’re running a Kickstarter campaign to help us launch this historic mission. #SDCAsksPB https://t.co/SzyeqH07Zo

SmithMediaNY Dec 14 @ 2:10 PM EST

Thanks for joining us! Let's start right there. Q1: What makes looking at a two star system like #AlphaCentauri so challenging? #sdcaskspb …

SmithMediaNY Dec 14 @ 2:10 PM EST

RT proj_blue: We’re running a Kickstarter campaign to help us launch this historic mission. #SDCAsksPB https://t.co/pmIGEcByUo via Space.c…

phaxyn Dec 14 @ 2:10 PM EST

SPACEdotcom: RT proj_blue: We’re running a Kickstarter campaign to help us launch this historic mission. #SDCAsksPB https://t.co/Ew6Qs69AVg

SmithMediaNY Dec 14 @ 2:10 PM EST

RT proj_blue: Here for next hr to answer Qs. For technical Qs we have some of our amazing science advisors on hand. #SDCAsksPB …

proj_blue Dec 14 @ 2:10 PM EST

Biggest challenge – it’s a two star system. We have to build a coronagraph that can block out not 1 star, but 2 #SDCAsksPB 1/3

proj_blue Dec 14 @ 2:12 PM EST

Tech + science has made it feasible to build this kind of instrument, researchers are working on these tech now #SDCAsksPB 2/3

proj_blue Dec 14 @ 2:12 PM EST

But also, a 2 star system gives us double chances to find a planet! #SDCAsksPB 3/3

SPACEdotcom Dec 14 @ 2:14 PM EST

Thanks! Q2: Will schools and other organizations be able to get involved with @Proj_Blue? #sdcaskspb

In reply to @proj_blue

proj_blue Dec 14 @ 2:14 PM EST

Btw a coronagraph works like when you put your hand in front of the sun to see something. Star billionsX brighter than planets! #SDCAsksPB

proj_blue Dec 14 @ 2:15 PM EST

Yes! We have great prize tiers specifically for schools and organizations. Check out https://t.co/lIxtXGuU4l #SDCAsksPB

proj_blue Dec 14 @ 2:15 PM EST

Things like an educational video chat or a talk given from PB scientists. #SDCAsksPB

asifpervezphd Dec 14 @ 2:15 PM EST

#Google SPACEdotcom: RT proj_blue: But also, a 2 star system gives us double chances to find a planet! #SDCAsksPB 3/3

asifpervezphd Dec 14 @ 2:15 PM EST

#Google SPACEdotcom: Thanks! Q2: Will schools and other organizations be able to get involved with Proj_Blue? #sdcaskspb

SmithMediaNY Dec 14 @ 2:16 PM EST

RT proj_blue: Biggest challenge – it’s a two star system. We have to build a coronagraph that can block out not 1 star, but 2 #SDCAsksPB 1/…

SmithMediaNY Dec 14 @ 2:16 PM EST

RT proj_blue: But also, a 2 star system gives us double chances to find a planet! #SDCAsksPB 3/3 via https://t.co/flyZG7kcV1

SmithMediaNY Dec 14 @ 2:16 PM EST

RT proj_blue: Tech + science has made it feasible to build this kind of instrument, researchers are working on these tech now #SDCAsksPB 2/…

SmithMediaNY Dec 14 @ 2:16 PM EST

Thanks! Q2: Will schools and other organizations be able to get involved with Proj_Blue? #sdcaskspb via https://t.co/flyZG7kcV1

SmithMediaNY Dec 14 @ 2:16 PM EST

RT proj_blue: Things like an educational video chat or a talk given from PB scientists. #SDCAsksPB via https://t.co/flyZG7kcV1

SmithMediaNY Dec 14 @ 2:16 PM EST

RT proj_blue: Yes! We have great prize tiers specifically for schools and organizations. Check out https://t.co/OwsDjJF7AA #SDCAsksPB via …

proj_blue Dec 14 @ 2:16 PM EST

Lower tiers have receive mission updates, souvenirs + other educational materials perfect for schools + other orgs. #SDCAsksPB

proj_blue Dec 14 @ 2:16 PM EST

We have 2 missions: Photograph an Earth-like planet + engage everyone in excitement for science and space! #SDCAsksPB

phaxyn Dec 14 @ 2:16 PM EST

SPACEdotcom: RT proj_blue: But also, a 2 star system gives us double chances to find a planet! #SDCAsksPB 3/3

phaxyn Dec 14 @ 2:16 PM EST

SPACEdotcom: Thanks! Q2: Will schools and other organizations be able to get involved with Proj_Blue? #sdcaskspb

phaxyn Dec 14 @ 2:16 PM EST

SPACEdotcom: RT proj_blue: Things like an educational video chat or a talk given from PB scientists. #SDCAsksPB

SPACEdotcom Dec 14 @ 2:18 PM EST

Those are two goals we can get behind! #sdcaskspb

In reply to @proj_blue

SPACEdotcom Dec 14 @ 2:19 PM EST

Let's move on to the next question. Q3: What makes it likely that there’s a potentially habitable planet around #AlphaCentauri? #sdcaskspb

SPACEdotcom Dec 14 @ 2:20 PM EST

If any followers have questions send them in and we will try to answer them. #sdcaskspb

phaxyn Dec 14 @ 2:20 PM EST

SPACEdotcom: proj_blue Those are two goals we can get behind! #sdcaskspb

phaxyn Dec 14 @ 2:20 PM EST

SPACEdotcom: If any followers have questions send them in and we will try to answer them. #sdcaskspb

SpaceGamesFed Dec 14 @ 2:21 PM EST

Just how close does the @proj_blue telescope need to get to #AlphaCentauri to snap detailed photos of the surfaces of exoplanets? #sdcaskspb

In reply to @proj_blue

proj_blue Dec 14 @ 2:21 PM EST

There’s an estimated ~85% probability the aCen system has 1+ rocky planets in habitable zone (where liquid h2o can exist). #SDCAsksPB

proj_blue Dec 14 @ 2:22 PM EST

Here’s the habitable zone in our solar system #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Biggest challenge – it’s a two star system. We have to build a coronagraph that can block out not 1 star, but 2 #SDCAsksPB 1/3

proj_blue Dec 14 @ 2:23 PM EST

Also, aCen contains two Sun-like stars, so 2 chances to find planets in either habitable zone. #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: But also, a 2 star system gives us double chances to find a planet! #SDCAsksPB 3/3

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Tech + science has made it feasible to build this kind of instrument, researchers are working on these tech now #SDCAsksPB 2/3

W_I_space Dec 14 @ 2:23 PM EST

Thanks! Q2: Will schools and other organizations be able to get involved with Proj_Blue? #sdcaskspb

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Yes! We have great prize tiers specifically for schools and organizations. Check out https://t.co/EiM2a7moMl #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Things like an educational video chat or a talk given from PB scientists. #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: We have 2 missions: Photograph an Earth-like planet + engage everyone in excitement for science and space! #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Lower tiers have receive mission updates, souvenirs + other educational materials perfect for schools + other orgs. #SDCAsksPB

W_I_space Dec 14 @ 2:23 PM EST

Let's move on to the next question. Q3: What makes it likely that there’s a potentially habitable planet around #AlphaCentauri? #sdcaskspb

W_I_space Dec 14 @ 2:23 PM EST

proj_blue Those are two goals we can get behind! #sdcaskspb

W_I_space Dec 14 @ 2:23 PM EST

If any followers have questions send them in and we will try to answer them. #sdcaskspb

W_I_space Dec 14 @ 2:23 PM EST

RT proj_blue: Here’s the habitable zone in our solar system #SDCAsksPB https://t.co/roP6aLjzVt

proj_blue Dec 14 @ 2:23 PM EST

We have estimated this based on data from Kepler, which detected 1000s of Earth-like planets (through indirect detection). #SDCAsksPB

proj_blue Dec 14 @ 2:25 PM EST

Both have Sun-like qualities: A is yellow “G2” star w/temps + color close to our Sun.B is cooler/redder, but still “Sun-like” #SDCAsksPB

SmithMediaNY Dec 14 @ 2:25 PM EST

proj_blue Those are two goals we can get behind! #sdcaskspb via https://t.co/flyZG7kcV1

SmithMediaNY Dec 14 @ 2:25 PM EST

RT proj_blue: We have 2 missions: Photograph an Earth-like planet + engage everyone in excitement for science and space! #SDCAsksPB via Spa…

SarahExplains - Moderator Dec 14 @ 2:25 PM EST

Here's when @SPACEdotcom talked with researchers on the technical challenges of looking at Alpha Cen https://t.co/1FFBoIELep #sdcaskspb

In reply to @SPACEdotcom

SmithMediaNY Dec 14 @ 2:25 PM EST

If any followers have questions send them in and we will try to answer them. #sdcaskspb via https://t.co/flyZG7kcV1

asifpervezphd Dec 14 @ 2:25 PM EST

#Google SPACEdotcom: RT proj_blue: Things like an educational video chat or a talk given from PB scientists. #SDCAsksPB

SmithMediaNY Dec 14 @ 2:25 PM EST

Let's move on to the next question. Q3: What makes it likely that there’s a potentially habitable planet around #AlphaCentauri? #sdcaskspb …

SmithMediaNY Dec 14 @ 2:25 PM EST

RT proj_blue: Here’s the habitable zone in our solar system #SDCAsksPB https://t.co/K5ak45IGQ0 via https://t.co/flyZG7kcV1

asifpervezphd Dec 14 @ 2:25 PM EST

#Google SPACEdotcom: proj_blue Those are two goals we can get behind! #sdcaskspb

SmithMediaNY Dec 14 @ 2:25 PM EST

RT proj_blue: Also, aCen contains two Sun-like stars, so 2 chances to find planets in either habitable zone. #SDCAsksPB via Space.c…

asifpervezphd Dec 14 @ 2:25 PM EST

#Google SPACEdotcom: If any followers have questions send them in and we will try to answer them. #sdcaskspb

asifpervezphd Dec 14 @ 2:25 PM EST

#Google SPACEdotcom: RT proj_blue: Here’s the habitable zone in our solar system #SDCAsksPB https://t.co/KZhE65N3ox

asifpervezphd Dec 14 @ 2:25 PM EST

#Google SPACEdotcom: RT proj_blue: Also, aCen contains two Sun-like stars, so 2 chances to find planets in either habitable zone. #SDCAsksPB

W_I_space Dec 14 @ 2:28 PM EST

RT proj_blue: Also, aCen contains two Sun-like stars, so 2 chances to find planets in either habitable zone. #SDCAsksPB

SPACEdotcom Dec 14 @ 2:28 PM EST

That is really awesome! Let's move to the next question. Q4: How is @Proj_Blue different from deep space imaging efforts? #sdcaskspb

In reply to @proj_blue

SmithMediaNY Dec 14 @ 2:30 PM EST

That is really awesome! Let's move to the next question. Q4: How is Proj_Blue different from deep space imaging efforts? #sdcaskspb via Sp…

phaxyn Dec 14 @ 2:30 PM EST

SPACEdotcom: RT proj_blue: Here’s the habitable zone in our solar system #SDCAsksPB https://t.co/icvlFFe7f8

phaxyn Dec 14 @ 2:30 PM EST

SPACEdotcom: RT proj_blue: Also, aCen contains two Sun-like stars, so 2 chances to find planets in either habitable zone. #SDCAsksPB

proj_blue Dec 14 @ 2:32 PM EST

Our friend @centauri_dreams pointed out we grabbed the wrong photo for aCen A + B. It was Alpha Centauri + Beta Centauri. #sdcaskspb

In reply to @centauri_dreams

proj_blue Dec 14 @ 2:33 PM EST

The right one is here. #sdcaskspb

W_I_space Dec 14 @ 2:33 PM EST

That is really awesome! Let's move to the next question. Q4: How is Proj_Blue different from deep space imaging efforts? #sdcaskspb

proj_blue Dec 14 @ 2:34 PM EST

Existing space imaging efforts can't detect Earth-like planets around nearest stars (unless they happen to transit...rare). #SDCAsksPB

phaxyn Dec 14 @ 2:35 PM EST

SPACEdotcom: RT proj_blue: The right one is here. #sdcaskspb https://t.co/10kzPrDj9f

proj_blue Dec 14 @ 2:35 PM EST

It’s unlikely that projects underway (WFIRST, James Webb) will have this ability either. #SDCAsksPB

SmithMediaNY Dec 14 @ 2:35 PM EST

RT proj_blue: The right one is here. #sdcaskspb https://t.co/YRDrtJ5Gl3 via https://t.co/flyZG7kcV1

baba_ron Dec 14 @ 2:37 PM EST

@SPACEdotcom #sdcaskspb Tomorrow we find earth like planet millions of light year away- So What? We cant reach there, why all these efforts?

In reply to @SPACEdotcom

proj_blue Dec 14 @ 2:37 PM EST

Combo of specialized mission, several new tech’s + unusual proximity of aCen makes this possible w/ small low-cost mission. #SDCAsksPB

W_I_space Dec 14 @ 2:38 PM EST

RT proj_blue: It’s unlikely that projects underway (WFIRST, James Webb) will have this ability either. #SDCAsksPB

W_I_space Dec 14 @ 2:38 PM EST

RT proj_blue: The right one is here. #sdcaskspb https://t.co/b4yzZbTQM5

proj_blue Dec 14 @ 2:38 PM EST

Other exoplanet space missions tend to be surveys, targeting many stars, so they cannot go as deep on any single target. #SDCAsksPB

phaxyn Dec 14 @ 2:40 PM EST

SPACEdotcom: RT proj_blue: It’s unlikely that projects underway (WFIRST, James Webb) will have this ability either. #SDCAsksPB

asifpervezphd Dec 14 @ 2:40 PM EST

#Google SPACEdotcom: RT proj_blue: The right one is here. #sdcaskspb https://t.co/dZg4yh08o6

asifpervezphd Dec 14 @ 2:40 PM EST

#Google SPACEdotcom: RT proj_blue: It’s unlikely that projects underway (WFIRST, James Webb) will have this ability either. #SDCAsksPB

SPACEdotcom Dec 14 @ 2:40 PM EST

Next question. Q5: Why is it so important to look at Alpha Centauri? #sdcaskspb

proj_blue Dec 14 @ 2:42 PM EST

We think aCen is the best opp to directly image the 1st Earth-like planet as our closest Sun-like star + a binary system. #SDCAsksPB

W_I_space Dec 14 @ 2:43 PM EST

Next question. Q5: Why is it so important to look at Alpha Centauri? #sdcaskspb

proj_blue Dec 14 @ 2:43 PM EST

A telescope w/ diameter of just 0.5m can resolve habitable zones around aCen A&B. Next closest Sun-like star is 2.5x further! #SDCAsksPB

proj_blue Dec 14 @ 2:44 PM EST

aCen's binary structure (A&B stars) also gives us two chances to find planets in either of their habitable zones. #SDCAsksPB

proj_blue Dec 14 @ 2:45 PM EST

Those images are of aCen from Chile btw, where it’s visible in the night sky #SDCAsksPB

phaxyn Dec 14 @ 2:45 PM EST

SPACEdotcom: Next question. Q5: Why is it so important to look at Alpha Centauri? #sdcaskspb

SPACEdotcom Dec 14 @ 2:46 PM EST

Q6: How detailed will the telescope be able to get when looking at planets around #AlphaCentauri? #sdcaskspb

W_I_space Dec 14 @ 2:49 PM EST

RT proj_blue: Those images are of aCen from Chile btw, where it’s visible in the night sky #SDCAsksPB

W_I_space Dec 14 @ 2:49 PM EST

Q6: How detailed will the telescope be able to get when looking at planets around #AlphaCentauri? #sdcaskspb

proj_blue Dec 14 @ 2:50 PM EST

Our image (simulated, R) would look like the "pale blue dot" Voyager saw of Earth from the edge of the solar system (L). #SDCAsksPB

proj_blue Dec 14 @ 2:50 PM EST

Just a few pixels can suggest characteristics for further study—planet's orbit, presence of O2/atmosphere, cloud patterns. #SDCAsksPB

phaxyn Dec 14 @ 2:50 PM EST

SPACEdotcom: Q6: How detailed will the telescope be able to get when looking at planets around #AlphaCentauri? #sdcaskspb

phaxyn Dec 14 @ 2:50 PM EST

SPACEdotcom: RT proj_blue: Those images are of aCen from Chile btw, where it’s visible in the night sky #SDCAsksPB

SarahExplains - Moderator Dec 14 @ 2:52 PM EST

More about Project Blue / the pale blue dot here: https://t.co/cu7KWcchm6 #SDCAsksPB

proj_blue Dec 14 @ 2:50 PM EST

Our image (simulated, R) would look like the "pale blue dot" Voyager saw of Earth from the edge of the solar system (L). #SDCAsksPB

W_I_space Dec 14 @ 2:53 PM EST

RT SarahExplains: More about Project Blue / the pale blue dot here: https://t.co/eCeahxpocy #SDCAsksPB https://t.co/QFeMnR30h7

proj_blue Dec 14 @ 2:50 PM EST

Our image (simulated, R) would look like the "pale blue dot" Voyager saw of Earth from the edge of the solar system (L). #SDCAsksPB

SPACEdotcom Dec 14 @ 2:54 PM EST

Our last question comes from @SpaceGamesFed. #sdcaskspb

In reply to @SpaceGamesFed

SPACEdotcom Dec 14 @ 2:54 PM EST

Q7: Just how close does the @proj_blue telescope need to get to #AlphaCentauri to snap photos of the surfaces of exoplanets? #sdcaskspb

In reply to @proj_blue

asifpervezphd Dec 14 @ 2:55 PM EST

#Google SPACEdotcom: Our last question comes from SpaceGamesFed. #sdcaskspb

phaxyn Dec 14 @ 2:55 PM EST

SPACEdotcom: Our last question comes from SpaceGamesFed. #sdcaskspb

proj_blue Dec 14 @ 2:56 PM EST

Our telescope will be in orbit. Needs 2 be above Earth’s atmosphere that blurs the image. That’s why we need to go to space. #SDCAsksPB

proj_blue Dec 14 @ 2:56 PM EST

Photos won’t have too much detail of the surface - it won’t look like this :) #SDCAsksPB

proj_blue Dec 14 @ 2:57 PM EST

Telescope will just image planets as dots. However, there is a TON of information we can infer from a dot. #SDCAsksPB

proj_blue Dec 14 @ 2:57 PM EST

Just a few pixels can suggest characteristics for further study—planet's orbit, presence of O2/atmosphere, cloud patterns, etc. #SDCAsksPB

proj_blue Dec 14 @ 2:58 PM EST

And set the stage for future missions that will photograph greater detail. #SDCAsksPB

W_I_space Dec 14 @ 2:58 PM EST

Our last question comes from SpaceGamesFed. #sdcaskspb

W_I_space Dec 14 @ 2:58 PM EST

Q7: Just how close does the proj_blue telescope need to get to #AlphaCentauri to snap photos of the surfaces of exoplanets? #sdcaskspb

W_I_space Dec 14 @ 2:58 PM EST

RT proj_blue: Photos won’t have too much detail of the surface - it won’t look like this :) #SDCAsksPB https://t.co/x2kaZ4buO4

W_I_space Dec 14 @ 2:58 PM EST

RT proj_blue: Telescope will just image planets as dots. However, there is a TON of information we can infer from a dot. #SDCAsksPB

W_I_space Dec 14 @ 2:58 PM EST

RT proj_blue: And set the stage for future missions that will photograph greater detail. #SDCAsksPB