Stunning view of the Amazon from the Space Station

Posted on 2022/01/29 by Carl Robitaille

Stunning view of the Amazon from the @Space_Station 😲 pic.twitter.com/lsCdV2vXuh
— Spacexx (@ineed__spacee) January 26, 2022

Orbital Insertion Burn a Success, Webb Arrives at L2

Posted on 2022/01/25 by Carl Robitaille

Orbital Insertion Burn a Success, Webb Arrives at L2

🏠 Home, home on Lagrange! We successfully completed our burn to start #NASAWebb on its orbit of the 2nd Lagrange point (L2), about a million miles (1.5 million km) from Earth. It will orbit the Sun, in line with Earth, as it orbits L2. https://t.co/bsIU3vccAj #UnfoldTheUniverse pic.twitter.com/WDhuANEP5h
— NASA Webb Telescope (@NASAWebb) January 24, 2022

Webb’s Journey to L2 Is Nearly Complete

Posted on 2022/01/25 by Carl Robitaille

Webb’s Journey to L2 Is Nearly Complete

On Monday, 24 January, the #Webb team plans to instruct the observatory to complete a final correction burn that will place it into its desired orbit at the second Sun-Earth Lagrange point, or "L2" (orbit animation 👇). Details: https://t.co/lhrUXDhyra 📷:@NASAGoddard pic.twitter.com/XbKzW0Svrk
— ESA Webb Telescope (@ESA_Webb) January 21, 2022

Telescope Sharpness vs. Diameter (including James Webb)

Posted on 2022/01/20 by Carl Robitaille

James Webb Telescope Mirror Deployment

Posted on 2022/01/20 by Carl Robitaille

A work of patience:
The #NASAWebb mirror deployment has started yesterday, moving ~1 mm/day for the next ~10 days for a total of 12.5 mm.
After that, they’ll be ready for @NASAWebb ultimate goal: mirror alignment! #JWST pic.twitter.com/wEOJb9zCsN
— Dr. Gioia Rau (@GioiaRau) January 16, 2022

James Webb Telescope MIRI Instrument Filter Wheel

Posted on 2022/01/20 by Carl Robitaille

OK, Internet. Are you ready for our gallery "The Beauty of the @NASAWebb @ESA_Webb MIRI Instrument Filter wheel"? Because it *is* beautiful, and @mpi_astro is quite proud of contributing to that amazing space telescope! Let's start with the classic face-on look. 1/ pic.twitter.com/BAhr6dVUhd
— MPI für Astronomie (@mpi_astro) January 12, 2022

How to Build a Particle Collider on the Moon—And Why We Should

Posted on 2022/01/20 by Carl Robitaille

How to Build a Particle Collider on the Moon—And Why We Should

"Everybody could win with such a project." I did say that indeed! Good article by @aetataureate in @PopMech about my & F. Zimmermann's paper about a Circular Collider on the Moon, 1000x more energetic than the LHC at CERN, sometime in the 22nd century. https://t.co/IdAeo3BGvC
— James Beacham (@jbbeacham) January 12, 2022

Space Shuttle missions were initially given sequential numbers – STS-1, STS-2, …

Posted on 2022/01/20 by Carl Robitaille

Subsequent to the Apollo 13 mishap, NASA decided to avoid the forthcoming STS-13 and changed the numbering system. STS-13 became STS-41-G

Space Shuttle missions were initially given sequential numbers – STS-1, STS-2, …

Subsequent to the Apollo 13 mishap, NASA decided to avoid the forthcoming STS-13 and changed the numbering system. STS-13 became STS-41-G

After the Challenger disaster, NASA reverted this change pic.twitter.com/sEMMhxMIHz
— Fermat's Library (@fermatslibrary) January 12, 2022

Some of the first stars the Webb Telescope mirrors reflected

Posted on 2022/01/12 by Carl Robitaille

pic.twitter.com/D2pOCeQOWu
— T-Zero Systems (@systems_zero) January 10, 2022

Webb Telescope: With the successful deployment & latching of our last mirror wing

Posted on 2022/01/12 by Carl Robitaille

#NASAWebb is fully deployed! 🎉

With the successful deployment & latching of our last mirror wing, that's:
50 major deployments, complete.
178 pins, released.
20+ years of work, realized.

Next to #UnfoldTheUniverse: traveling out to our orbital destination of Lagrange point 2! pic.twitter.com/mDfmlaszzV
— NASA Webb Telescope (@NASAWebb) January 8, 2022

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Category Archives: exploration spaciale

Stunning view of the Amazon from the Space Station

Orbital Insertion Burn a Success, Webb Arrives at L2

Webb’s Journey to L2 Is Nearly Complete

Telescope Sharpness vs. Diameter (including James Webb)

James Webb Telescope Mirror Deployment

James Webb Telescope MIRI Instrument Filter Wheel

How to Build a Particle Collider on the Moon—And Why We Should

Space Shuttle missions were initially given sequential numbers – STS-1, STS-2, …

Some of the first stars the Webb Telescope mirrors reflected

Webb Telescope: With the successful deployment & latching of our last mirror wing