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Thanks Selvaarchi. Interesting read. For 2021 the launch below could be even more important than the Tianwan-1. There seem to be some...

Yeah when a company announces a big breakthrough right before an IPO I would be very cautious about it, especially when they are being rather vague.

The USA is "Testing Key Technologies for Space-based Solar Power" ...

China has made progress in building a prototype cryogenic fuel tank made of composite materials. This will reduce the weight of the rocket, enabling...

"What’s Ahead for China’s Space Program in 2021?" https://thediplomat.com/2021/01/whats-ahead-for-chinas-space-program-in-2021/

You'd have a point if your behaviour was repeatedly interpreted as harrassment by honest people. But I don't think there is much to be addressed...

So THAT'S what the trebuchet is for!

Well spherical is good for my proposal to use a drone, the spherical aberation stays about the same for different focus lateral points.

For anybody interested I have now started a thread on the topic of the Emerging Space Economy... ...

Thanks for the advice. I decided to launch a wider thread on the Emerging Space Economy instead - will post on the economics of ISRU when I get...

Hi Fraser and Pamela Thanks for the fascinating insight into attempts to tackle space junk. I was also interested in the comments on science...

Oops

SN-09 TFR for Monday, Jan 25 Altitude: up to Unlimited https://tfr.faa.gov/save_pages/detail_1_5669.html They've also installed the Flight...

SN-10 coming out to play https://twitter.com/RGVaerialphotos/status/1353008743676583938

"Chang'E‐4 rover spectra revealing micro‐scale surface thermophysical properties of the Moon" This was published in the Geophysical Research...

Why reinvent the teenager?

24 hr weather hold. Date: Jan 24 Time: 1000 - 1022 Eastern https://twitter.com/SpaceflightInc/status/1352982798290751488

Which is what got our granddaughter on the short list. She got her first injection a couple of weeks ago.

Well, if a person fears being on the receiving end of a sexual harassment accusation every time they seek to enter into a relationship, I'd guess...

I would guess it is more about how much mass would be available in a fairly small volume to grow a black hole.

They should have a roomba with an arm on top that just flings stuff around the room.

That sounds about right if it was sent on a wooden sailing ship.

If any part's ever been a good parabola, it's been by accident...it's a spherical dish.

From 4th December to 22nd January, it was "leaving the USA". Then logged into the UK in the early hours of yesterday morning, and with me at...

That'll certainly do it--depending on the asthma, that's straight into a moderate/severe risk category, which gets you ahead of me in the queue in...

12 hour SGU show.

Why would there be an upper limit to a black hole size? What's it going to do, collapse in on itself?

Caught the third episode of Wandavision last night and am definitely along for the show's ride. I'm watching Comic Book Confidential now and am...

Irene has issues with that. Sure, in her case it's in no small part because she's not-quite-four, but I'm still translating a lot when she talks to...