Science Space Exploration megathread - Page 221

**DaFace** · 03:36 PM

Since a number of cool things are happening in space exploration these days, we'll widen the scope of this thread a smidge. Conversation about all things space exploration are welcome, whether it be from NASA, SpaceX, ULA, Blue Origin, or anyone else. Chances are most of the discussion will still be about SpaceX since they love to make things public and fun, but nothing's off limits. I'll eventually get around to modifying the OP to include resources for other companies too, but in the meantime, feel free to post any cool stuff you run across.

Lists of Upcoming Missions

Spoiler!

How to Watch a Live Launch

Spoiler!

Where to Learn More

Spoiler!

Glossary

Spoiler!

Space discussions tend to get a little bogged down in jargon, so here's a list of terms you might encounter. (Others, please let me know of others that should be added.)

ASDS - Autonomous Spaceport Droneship - The "barges" that they sometimes land rockets on.
Dragon - The cone-shaped capsule that sits at the top of the rocket for ISS-bound launches that holds the cargo (or, in the future, humans).
F9 - Falcon 9, the name of the rocket itself.
FH - Falcon Heavy, the three-booster version.
GTO - Geosynchronous Transfer Orbit, a type of orbit that will eventually result in the satellite orbiting the earth as it turns so that it seems to be in the same spot from the ground (such as DirecTV or Dish satellites). These types of launches are particularly challenging because they require a lot of power to get them into the right orbit, leaving very little fuel left for landing.
HIF - Horizontal Integration Facility - the building near the launch pad where they put all of the pieces of the rocket together before rolling it out to the pad.
ISS - The International Space Station
JRTI - Just Read The Instructions, the name of the "barge" that they land on for west-coast launches.
LEO - Low Earth Orbit, a fairly low orbit shared by many satellites and ISS. These launches usually require less power to achieve the proper orbit, so the first stage can often be landed back on land rather than on a drone ship.
LZ1 - Landing Zone 1, basically a big open slab of concrete at Cape Canaveral where the first stage will attempt to land (for some launches).
NET - No Earlier Than, basically the date they're hoping to launch, but rocket launches have a tendency of getting delayed.
OCISLY - Of Course I Still Love You, the name of the "barge" that they land on for east-coast launches.
RTLS - Return to Landing Site, a mission where the first stage comes back and lands at LZ1.
Starship - SpaceX's next-generation rocket (and spacecraft) that will hopefully one day take us to Mars. Starship is the "second stage" that will carry cargo or people, but also refers to the whole system. (It's confusing, but think of it like the Space Shuttle, which was both the shuttle itself and the entire launch system.)
Super Heavy - The giant booster that will carry Starship to space.

**Donger** · 09-03-2020, 02:22 PM

Another angle:

Just imagine 31 (or 28) of those Raptor engines igniting at once...

**Donger** · 09-04-2020, 10:41 AM

Second 150m flight test of Starship pic.twitter.com/ROa0kQZXLI
— SpaceX (@SpaceX) September 4, 2020

Hydrae · 09-04-2020, 11:09 AM

That looks very sci-fi like.

What are they using for fuel with that thing? That flame looks different to me.

**Donger** · 09-04-2020, 11:11 AM

Quote:

Originally Posted by Hydrae

That looks very sci-fi like.

What are they using for fuel with that thing? That flame looks different to me.

Raptor burns liquid methane and LOX.

Hydrae · 09-04-2020, 11:28 AM

Quote:

Originally Posted by Donger

Raptor burns liquid methane and LOX.

Thanks. It looks more like a cutting torch than anything else.

MagicHef · 09-04-2020, 12:10 PM

Quote:

Originally Posted by Donger

Second 150m flight test of Starship pic.twitter.com/ROa0kQZXLI
— SpaceX (@SpaceX) September 4, 2020

No flames on the side of the engine this time. Seems like an improvement.

**Donger** · 09-04-2020, 12:21 PM

Quote:

Originally Posted by MagicHef

No flames on the side of the engine this time. Seems like an improvement.

Yes, I noticed that too.

**Donger** · 09-09-2020, 12:26 PM

Very cool! First time I've ever seen the boost back burn:

Oh, and I'm not saying that the thing that flies off at 0:42 is an alien. But, it's an alien.

GloryDayz · 09-09-2020, 01:31 PM

Quote:

Originally Posted by Donger

Very cool! First time I've ever seen the boost back burn:

Oh, and I'm not saying that the thing that flies off at 0:42 is an alien. But, it's an alien.

VERY COOL! Rep...

**Donger** · 09-14-2020, 01:07 PM

SN8 Starship with flaps & nosecone should be done in about a week. Then static fire, checkouts, static fire, fly to 60,000 ft & back.
— Elon Musk (@elonmusk) September 12, 2020

**Donger** · 09-14-2020, 01:09 PM

Elon Musk, head of SpaceX, has announced via Twitter that the company's SN8 rocket will take a test flight sometime next week. The plan is for the rocket is to soar up to 60,000 feet (18,300 meters) and then return to Earth in a controlled landing.

SN8 is one in a line of SpaceX's Starships that are predecessors to vehicles for missions to the moon and Mars. SN5 and SN6 recently completed tests of 500 feet each, which the company calls short hops, before returning to Earth. They were meant to test the integrity of the steel walls of the rocket. Both were launched at SpaceX's launch site in Boca Chica, Texas, and both had just one Raptor engine pushing them into the air. SN7 was intentionally destroyed in a test tank to determine the strength limits of the design. SN8 will launch from the same site and will have three of the Raptor engines to give it the power needed to reach the much higher altitude. The test next week will be the first time three of the Raptors will be tested together as a single unit.

Before the rocket can be launched, it must first undergo a few more tests. They are called static fires (in which the rocket is held down as the engines fire) and ground checkouts. SN8 (unlike its predecessors) will also be fitted with flaps to assist with steering and a nosecone, which will be used in the future to hold cargo or people. The addition of both, Musk notes, will give the rocket a look much like the final design. The plan also calls for turning off the three engines during the initial stage of a descent and controlled landing—the rocket will perform a belly flop routine to slow its descent for several minutes and then the engines will be restarted, allowing the rocket to land in an upright position.

Musk has suggested in the past that his Starships will be able to carry as many as 100 people at a time to the moon (or 100 tons of cargo). The ultimate goal, however, is carrying people and their cargo to Mars and back.

**Donger** · 09-14-2020, 01:11 PM

treeguy27 · 09-14-2020, 01:32 PM

Quote:

Originally Posted by Donger

It will be ridiculously impressive if they pull that off on the first attempt.

Pants · 09-14-2020, 02:08 PM

Quote:

Originally Posted by Donger

Very cool! First time I've ever seen the boost back burn:

Oh, and I'm not saying that the thing that flies off at 0:42 is an alien. But, it's an alien.

WTF is that thing at 0:49? Seriously.

Brody Wa · 09-15-2020, 12:27 AM

Quote:

Originally Posted by DaFace

Since a number of cool things are happening in space exploration these days, we'll widen the scope of this thread a smidge. Conversation about all things space exploration are welcome, whether it be from NASA, SpaceX, ULA, Blue Origin, or anyone else. Chances are most of the discussion will still be about SpaceX since they love to make things public and fun, but nothing's off limits. I'll eventually get around to modifying the OP to include resources for other companies too, but in the meantime, feel free to post any cool stuff you run across.

Lists of Upcoming Missions

Spoiler!

How to Watch a Live Launch

Spoiler!

Where to Learn More

Spoiler!

Glossary

Spoiler!

Are there any rough estimates of the price or a real price for a seat to go in to outer space?

06-01-2014, 09:40 AM
DaFace Kind of a mod Join Date: Aug 2005 Location: Donkey Land Casino cash: $2036899	Space Exploration megathread Since a number of cool things are happening in space exploration these days, we'll widen the scope of this thread a smidge. Conversation about all things space exploration are welcome, whether it be from NASA, SpaceX, ULA, Blue Origin, or anyone else. Chances are most of the discussion will still be about SpaceX since they love to make things public and fun, but nothing's off limits. I'll eventually get around to modifying the OP to include resources for other companies too, but in the meantime, feel free to post any cool stuff you run across. Lists of Upcoming Missions Spoiler! General lists: https://nextspaceflight.com/ http://spaceflightnow.com/launch-schedule/ SpaceX specific list: https://spacexnow.com/upcoming.php How to Watch a Live Launch Spoiler! SpaceX: https://www.youtube.com/user/spacexchannel ULA: https://www.youtube.com/user/UnitedLaunchAlliance RocketLab: https://www.youtube.com/user/RocketLabNZ NASATV will also cover some launches (primarily ISS resupply missions): https://www.youtube.com/user/NASAtelevision Where to Learn More Spoiler! Some cool pics... https://www.flickr.com/photos/spacex/ https://www.instagram.com/spacex/?hl=en Twitter feed is usually interesing... https://twitter.com/SpaceX https://twitter.com/elonmusk The SpaceX sub is a great source of info... https://www.reddit.com/r/spacex https://www.reddit.com/r/spacex/wiki/index And for a more forum-style discussion board... http://forum.nasaspaceflight.com/index.php#c17 And there are plenty of YouTube channels with great content... Joe Scott - Lost of "future" discussion. Some about rockets and space. Much that goes beyond. Scott Manley - Super smart dude (engineer) who reviews a lot of major events in space exploration. Frazer Cain (Universe Today) - Podcast-style videos that go in-depth into space topics. Tim Dodd (Everyday Astronaut) - A "random dude" who got really into space (particularly SpaceX). He's a great resource for simple explanations of this stuff, as well as live hosting launches. USLaunchReport - Lost of videos of the more mundane stuff (e.g., booster recovery operations). Not a ton of commentary. NASASpaceFlight - Live hosting of most launches including a ton of video of Starlink operations. Glossary Spoiler! Space discussions tend to get a little bogged down in jargon, so here's a list of terms you might encounter. (Others, please let me know of others that should be added.) ASDS - Autonomous Spaceport Droneship - The "barges" that they sometimes land rockets on. Dragon - The cone-shaped capsule that sits at the top of the rocket for ISS-bound launches that holds the cargo (or, in the future, humans). F9 - Falcon 9, the name of the rocket itself. FH - Falcon Heavy, the three-booster version. GTO - Geosynchronous Transfer Orbit, a type of orbit that will eventually result in the satellite orbiting the earth as it turns so that it seems to be in the same spot from the ground (such as DirecTV or Dish satellites). These types of launches are particularly challenging because they require a lot of power to get them into the right orbit, leaving very little fuel left for landing. HIF - Horizontal Integration Facility - the building near the launch pad where they put all of the pieces of the rocket together before rolling it out to the pad. ISS - The International Space Station JRTI - Just Read The Instructions, the name of the "barge" that they land on for west-coast launches. LEO - Low Earth Orbit, a fairly low orbit shared by many satellites and ISS. These launches usually require less power to achieve the proper orbit, so the first stage can often be landed back on land rather than on a drone ship. LZ1 - Landing Zone 1, basically a big open slab of concrete at Cape Canaveral where the first stage will attempt to land (for some launches). NET - No Earlier Than, basically the date they're hoping to launch, but rocket launches have a tendency of getting delayed. OCISLY - Of Course I Still Love You, the name of the "barge" that they land on for east-coast launches. RTLS - Return to Landing Site, a mission where the first stage comes back and lands at LZ1. Starship - SpaceX's next-generation rocket (and spacecraft) that will hopefully one day take us to Mars. Starship is the "second stage" that will carry cargo or people, but also refers to the whole system. (It's confusing, but think of it like the Space Shuttle, which was both the shuttle itself and the entire launch system.) Super Heavy - The giant booster that will carry Starship to space. Last edited by DaFace; 12-10-2020 at 03:36 PM..
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09-03-2020, 02:22 PM	#3301
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	Another angle: Just imagine 31 (or 28) of those Raptor engines igniting at once... __________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687

09-04-2020, 10:41 AM	#3302
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	Second 150m flight test of Starship pic.twitter.com/ROa0kQZXLI — SpaceX (@SpaceX) September 4, 2020 __________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687	1 0

09-04-2020, 11:09 AM	#3303
Hydrae Sandbox: Leander Lasercats Join Date: Jul 2001 Location: Austin, Tx Casino cash: $2337000	That looks very sci-fi like. What are they using for fuel with that thing? That flame looks different to me.
Posts: 14,686

09-09-2020, 12:26 PM	#3308
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	Very cool! First time I've ever seen the boost back burn: Oh, and I'm not saying that the thing that flies off at 0:42 is an alien. But, it's an alien. __________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687	2 0

09-14-2020, 01:07 PM	#3310
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	SN8 Starship with flaps & nosecone should be done in about a week. Then static fire, checkouts, static fire, fly to 60,000 ft & back. — Elon Musk (@elonmusk) September 12, 2020 __________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687

09-14-2020, 01:09 PM	#3311
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	Elon Musk, head of SpaceX, has announced via Twitter that the company's SN8 rocket will take a test flight sometime next week. The plan is for the rocket is to soar up to 60,000 feet (18,300 meters) and then return to Earth in a controlled landing. SN8 is one in a line of SpaceX's Starships that are predecessors to vehicles for missions to the moon and Mars. SN5 and SN6 recently completed tests of 500 feet each, which the company calls short hops, before returning to Earth. They were meant to test the integrity of the steel walls of the rocket. Both were launched at SpaceX's launch site in Boca Chica, Texas, and both had just one Raptor engine pushing them into the air. SN7 was intentionally destroyed in a test tank to determine the strength limits of the design. SN8 will launch from the same site and will have three of the Raptor engines to give it the power needed to reach the much higher altitude. The test next week will be the first time three of the Raptors will be tested together as a single unit. Before the rocket can be launched, it must first undergo a few more tests. They are called static fires (in which the rocket is held down as the engines fire) and ground checkouts. SN8 (unlike its predecessors) will also be fitted with flaps to assist with steering and a nosecone, which will be used in the future to hold cargo or people. The addition of both, Musk notes, will give the rocket a look much like the final design. The plan also calls for turning off the three engines during the initial stage of a descent and controlled landing—the rocket will perform a belly flop routine to slow its descent for several minutes and then the engines will be restarted, allowing the rocket to land in an upright position. Musk has suggested in the past that his Starships will be able to carry as many as 100 people at a time to the moon (or 100 tons of cargo). The ultimate goal, however, is carrying people and their cargo to Mars and back. __________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687

09-14-2020, 01:11 PM	#3312
Donger "Think BOOM!" Join Date: Nov 2003 Location: 33.675° N 106.475° W Casino cash: $10359900 VARSITY	__________________ I think the young people enjoy it when I "get down," verbally, don't you?
Posts: 180,687