Search the Community
Showing results for tags 'spacex'.
-
Dear ShortCircuit, as other servers adapt and more and more star-sat or you can call them low orbit sat (los) you can expect more speed and/or less latency however as soon as they go live you can may be slowed down to may be 30-40% on a bad day ( guessing that is going to be thursday-monday) they could be ending of the destion to add another layer (mid-low orbit) for people who don't need fast speeds and would like more coverage ( a huge guess is that there will be people that will use it on their boats during trips ) in order to make the L,O,S system a bit less crowded if possible. this idea has not been fully disgusted yet if you do not know what im talking about please see here V
- 1 reply
-
- shortcircuit
- starlink
-
(and 2 more)
Tagged with:
-
A recent update from Yusaku Maezawa, the entrepreneur who wants to go on a moon trip few years ago, that he is seeking 10 to 12 people aboard Starship (Elon Musk's flying grain silos at this moment) with its 8 people coming from GENERAL public. WenMoon? The launch is NET (No Earlier Than) in 2023... You may wanna 'shoot your shot' towards the Moon on this one...(And win a DOGE Coi---no lol) You can SIGN UP thru: https://t.co/xBtOyJMIUh?amp=1 -astro
-
Summary ~40 of the 49 Starlink satellites launched on February 3rd have been lost due a geomagnetic (solar) storm. The satellites were initially inserted into a low (~210km) orbit as expected; Starlink satellites usually stick around at this low altitude for a few days to ensure they are operating correctly before they are boosted to a higher altitude. However, thanks to atmospheric conditions induced by a geomagnetic storm, the majority of the latest batch of Starlink satellites will be unable to boost themselves into their higher operating orbit and will therefore deorbit themselves thanks to atmospheric drag. Geomagnetic storms are known for their release of charged particles, which can cause havoc to non-shielded electronics. You would usually expect satellites at a low orbit like this to be unaffected by geomagnetic storms thanks to the Earth's magnetosphere - indeed the ISS orbits at an altitude of ~408km and is full of consumer-grade, non-shielded electronics that have operated there for years without much issue. However, geomagnetic storms also have an effect on the atmosphere itself. The increased amount of radiation released during these events causes the upper atmosphere to heat up and expand, thereby causing the density of the atmosphere to increase at a given altitude, meaningmore atmospheric drag. Indeed, according to SpaceX: Thanks to this increased atmospheric drag, the majority of the satellites launched were unable to begin their orbit raising maneuvers in time, meaning they will slowly reenter the Earth's atmosphere. Solar events like this are nothing new, however they have also not been a particularly common problem for the last few years due to the solar cycle. Solar activity follows an ~11 year cycle, the latest of which which reached its minimum in 2019-2020. As you can see, solar activity has been higher than expected so far this cycle, which some are taking as a sign that cycle 25 will be rather strong. However, there are many differing opinions on this; indeed solar cycle 24 also had a strong start, but then evolved into the weakest solar cycle in a century. We don't really know where things will go exactly, but everything points to activity going upwards from where we are today. As such, we can expect to see more and more solar events like this over the coming years, meaning launch providers like SpaceX will need to take them and their effects into account when launching their payloads. This may mean that SpaceX has to launch fewer satellites at a time so that they can launch them to a safer orbit, thereby increasing the cost of launching their network. (Not that that hugely matters given it isn't going to be profitable for a long time anyway, but that's beside the point.) My thoughts Please don't turn this into a pro/anti Starlink argument. Sources https://www.spacex.com/updates/ - official press release
-
Summary Starlink earns license to provide internet in Canada Quotes My thoughts Cool to see it expanding in North America Sources https://www.tesmanian.com/blogs/tesmanian-blog/starlink-canada-1
-
The Hubble Space telescope launched back 32 years ago, gave the world a glimpse of what's beyond our Solar System, and now it's getting extra years of life as NASA and SpaceX plans, Polaris will being its first space walk mission in March 2023 and if it's successful, then they're planning to perform another one, this time on the Hubble, to perform some service work, like replacing them gyroscopes that controls Hubble's telescope, where only 3 out of 6 remains in working order. For the boost, SpaceX's Dragon will dock with Hubble and bring it from its current orbit of 535km up to 600km, the original orbit altitude launch back in 1990. Without the idea of boosting Hubble, NASA would have to send a module and bring it safely back to Earth, but with the boosting idea, Hubble may see an extra 15 to even 20 years of orbital life. Source Alternative source (non quoted)
-
-
September 1, 2016 was a day of mystery for SpaceX when their Falcon 9 rocket which was equipped with Amos-6, Spacecom's satellite, blew up The satellite was Facebook's attempt to provide internet access to parts of Africa Elon Musk has finally spoken on what they believed caused the explosion There have been many speculations as to what may have caused the explosion from conspiracies of rival companies attempting sabotage all the way to the aliens, yes that scapegoat However, much like what Musk himself had previously pointed out was that the oxygen had a bad reaction with one of the rocket's components. There are worries that some companies may back out from planning any more flights from SpaceX Last Thursday, Inmarsat, European satellite company, stated that they were looking for alternatives due to the many delays that the explosion has caused I personally think that the company will still garner customers given the increasing demand for cheaper commercial Spaceflight Companies like SpaceX, Blue Origin and Virgin Galactic have become more competitive over the past few years I hope this will lead to man finally reach infinity and beyond....and scene Elon Musk's Statement: http://video.cnbc.com/gallery/?video=3000565513&play=1 Sources: http://www.theverge.com/2016/11/5/13533900/elon-musk-spacex-falcon-9-failure-cause-solved http://spacenews.com/spacexs-musk-says-sabotage-unlikely-cause-of-sept-1-explosion-but-still-a-worry/ http://time.com/4479174/spacex-explosion-spacecom-satellite/ http://fortune.com/2016/11/05/spacex-satellite-launch-order/
-
I thought the video was kind of fun to watch so figured I would pass it on... It is good to know that they are not afraid of having failure and using it as a tool for progression... It's also good to know that they can realize their failures and make a good time out of a bad situation. https://arstechnica.com/science/2017/09/spacex-proves-its-not-afraid-to-fail-by-releasing-a-landing-blooper-reel/ Definitely encourage watching the video as it shows the general progression that SpaceX has had from failure to success with their rockets. Also has rocket explosions.
-
Most people associate satellite based internet with expensive, slow service and high ping. SpaceX is planning to change that, having just asked the FCC for permission to launch 4,425 satellites for the purpose of offering a truly worldwide high speed internet service. The ambitious project will quadruple the amount of satellites currently in operation from 1,419 to 5844. That's a lot of satellites, but that's not the only impressive part of this plan. The satellites will be in low-earth orbit, meaning that they'll be closer to the earth's surface than current internet providing satellites, allowing for a ping in the range of 25-35ms. Current satellite internet solutions are in the range of 400 to 900 ms ping. The most interesting aspect of the whole plan is likely the planned service speed of up to 1 gb/s. Before you get too excited, realize that this number seems extremely high given that each satellite can only handle up to 23 gb/s. Apparently SpaceX thinks having one satellite provide service to 23 people is profitable? If you take the 119,930 lb low earth orbit capacity of a Falcon Heavy divided by 870 lb (the weight of each satellite) then a launch could theoretically carry 141 satellites at a time, although the number will likely be far lower due to the volume of each craft. The cost of a single Falcon Heavy launch being 130 Million (32 launches necessary), plus a very low and rough estimate of 20 million per satellite (4,425 launched), and that would make the whole fleet cost 92.66 Billion dollars to launch. The 4,425 satellites could service a maximum of 101,775 people at 1 gb/s, but assuming a more realistic 10 mb/s speed, it could service 10,177,500 people. 92.66 Billion divided by 10,177,500 would make the per-person cost $9,104. The satellites would last about 6 years, so that means to break even offering 10 mb/s speeds (100 times slower than max), it would cost $1517 a year, or $126 a month. For rural areas in first world countries that's a reasonable price, but it would be absolutely non-competitive in urban areas or developing countries. This estimate also doesn't factor in the cost of beaming the internet to the spacecraft, maintenance, staffing, technical considerations, and is all-around a best case scenario. The actual cost per customer would probably be double my estimate. That means that if SpaceX truly wants to provide 1 gb/s speeds, they'll have to charge something like $25,200 a month to break even. If you would like to calculate costs for yourself, you can use the formula Cost per customer per Month = ((130000000(4425/P) + 4425S)/L)/((4425*23)/B) where P is the number of satellites carried per launch, S is the cost per satellite, L is the average lifespan of each satellite in months, and B is the bandwidth per customer in gb/s. As I see it, this plan will fail unless SpaceX can either: A. Cut the cost of building satellites significantly (economies of scale would kick in for an order of 4,425 satellites) B. Increase the service life of satellites significantly C. Cut the offered speeds significantly They will likely use a combination of all three. Musk has a tendency to be overly ambitious, so much so that the basic economics are clearly against this, but my bet is that the cost common offered speed will be 10 mb/s as well as construction costs per satellite falling to something like 5 million each. This would make service cost $35 per month, more like $45 per month with other costs and profit margins added in. That would also make 1 mb/s service cost $4.50 per month and 100 mb/s service cost $450 per month. As far as the project as a whole, i think most will agree it's pretty amazing. What I'm wondering is if anyone can figure out how the economics will work for this? Source: http://www.businessinsider.com/spacex-internet-satellite-constellation-2016-11
-
https://www.google.com/amp/s/www.theverge.com/platform/amp/2018/3/29/17178126/spacex-satellite-broadband-internet-fcc-approval-license-starlink-spectrum @LinusTech and @Slick
-
Credit: Walter Scriptunas II 0 SpaceFlight Now Source: https://spaceflightnow.com/2018/03/01/rideshare-mission-for-u-s-military-confirmed-as-second-falcon-heavy-launch/ A military spokesperson for the U.S Air Force Space and Missile Systems Center has confirmed that they've hired SpaceX's Falcon Heavy rocket for a launch of 2 dozen satellites. The Falcon Heavy Payload will contain these rockets for a lot of agencies from NASA, India, US Universities and Taiwan. This launch is on schedule to break a record for the highest number of satellites in a SpaceX contracted mission. I'm really happy for this launch, it's going to in my eyes, prove that SpaceX is a dominant power house in space flight and their reusable rocket technology proves this so much. It's saving SpaceX to even recover one booster, let alone all 3. And this isn't even the highest capacity Falcon Heavy can hold. So here's for more Falcon Heavy missions for SpaceX!
- 9 replies
-
- spacex
- falcon heavy
-
(and 1 more)
Tagged with:
-
So Thursday the United Launch Alliance is set to launch a new weather satellite is set to launch on a Atlas 5 rocket at 9 am EST or 2pm GMT quote article- https://www.floridatoday.com/story/tech/science/space/2018/02/26/forecast-looks-good-atlas-v-launch-goes-s-weather-satellite-week/373549002/ the new satellite should help modernize the US weather forecasting, and the rocket will most likely succeed due to the Atlas V rockets having never failed so far.
-
Probably not so much new news as more confirmation of the direction that SpaceX may be taking in their quest for sustainable rocketry, however SpaceX's COO, Gwynne Shotwell, has confirmed at TED 2018 that they are planning to be using the Big Falcon Rocket as an International Travel platform within the next decade and they feel that they could be competitive with a standard Business Class ticket for travel to the other side of the world. https://www.fastcompany.com/40557831/spacex-wants-to-replace-long-haul-flights-with-rocket-travel-in-the-next-10-years Now don't get me wrong, this is exciting and I'm hoping that they are successful at this endeavor, but I have some serious safety concerns myself given aviation history and how markets and safety tend to operate... My general impression is that a demand for volume can lead to cutting corners in order to deliver and the last thing that I would want cutting corners is a rocket that I'm using for travel around the world. Might have to up ticket prices a bit.
-
Three years after SpaceX CEO Elon Musk unveiled the project in Seattle, 1st test satellites for SpaceX’s global internet constellation is ready for a launch. The prototype spacecraft, known as Microsat 2a and 2b, is reported to be included as secondary payloads on a Falcon 9 rocket from Vandenberg Air Force Base in California. SpaceX is targeting February 17 for the test launch of its first satellite for global internet constellation. Source: http://angdnews.com/spacex-set-to-launch-first-prototype-starlink-satellites-for-low-cost-internet/
-
Sauce: Elon's Insta: Alongside that there are two more just to show the sheer size of the rocket. Spoiler alert: it's massive. I mean I have nothing to say, really. Just amazed by the scale of the thing, even though it's "just" 3 Falcon 9 boosters strapped to each other. First launch is predicted to be January 2018, and if Elon keeps his promise, the cargo will be his own Tesla Roadster.
-
Elon Musk is set to announce plans for manned mission to mars.
-
Source: http://www.theverge.com/2016/5/6/11599196/spacex-launch-landing-success-falcon-9-rocket-elon-musk The fact that the booster had much more energy than previous launches makes this even more amazing. Way to go SpaceX. The do have a slight problem now though: https://twitter.com/elonmusk/status/728459808270000128 Here's the webcast. Landing at 38:30. That laggy video of it landing made it even more amazing. "Bright lights! Did it land?" "No wait, it's too bright for too long, it must have exploded!" video goes live again, shows Falcon 9 just sitting there happily venting off excess fuel crowd goes nuts
-
SpaceX just successfully landed a second (first stage) rocket on their drone ship " Of Course I Still Love You" at twice the speed as they did before!!!! They seem to be doing great! I watched it live, super exciting 38:00 is when they start to show the first stage landing.
-
Hi everybody, I was just wondering if anyone had recommendations for certifications/school that would be good for doing something space related. It'd be really cool to even do the lowest form of technology related work for a group like NASA, SpaceX, Blue Origin, etc. Even the lowest entry level job. Right now I'm a few months from finishing my Computer Science Bachelor's and I'm almost done getting my CompTIA A+. Any other recommendations from people in the field? It'd be awesome doing on board, device installation/design on spacecraft, or like system administration in Mission Control or something like that...
-
*second time on sea. Know that's cool.. -------------------------- -M-
- 35 replies
-
- spacex
- falcon 9 rocket
-
(and 1 more)
Tagged with:
-
After their historic world first launch and subsequent landing of their large Falcon 9 rocket, Elon Musk's SpaceX team is gearing up for another attempt this time at sea once again. The rocket shoul lift off at 10:42am PT launch from Space Launch Complex 4E at Vandenberg Air Force Base, California. Quote from SpaceX (quoting not working on Edge, sorry): "Date Sun, Jan 17 2016 6:42 PM GMT — Sun, Jan 17 2016 8:00 PM GMT About With this mission, SpaceX’s Falcon 9 rocket will deliver the Jason-3 satellite to low-Earth orbit for the U.S. National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), French space agency Centre National d'Etudes Spatiales (CNES) and the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT). The Jason-3 launch is targeted for a 10:42am PT launch from Space Launch Complex 4E at Vandenberg Air Force Base, California. If all goes as planned, the Jason-3 satellite will be deployed approximately an hour after launch. This mission also marks an experimental landing of the first stage on the SpaceX drone ship “Just Read the Instructions”. The landing of the first stage is a secondary test objective." Hopefully it goes to plan. As an aerospace student I find what SpaceX is doing is massively important in order to proliferate the use of space more than it currently is, and reducing the costs of getting to orbit is a giant leap in the right direction. Edit: Here's the source link, and where you can watch the launch live: http://www.spacex.com/webcast/
-
So just a few minutes ago they tested out the SuperDraco powered pad abort systems on the Dragon capsule. Everything was successful, which brings us one step closer to SpaceX ferrying crew between Earth and the ISS. Found the video: http://livestream.com/spacex/events/4027110/videos/86330415 Test begins at around 15:45. http://www.spacex.com/news/2015/05/04/5-things-know-about-spacexs-pad-abort-test