In 2,024 NASA is scheduled to return humans to the surface of the Moon with the Artemis III mission. One year before that, Artemis II should circle the satellite without touching down. Both missions are to be crewed by experienced astronauts. But not the dearMoon mission, which will carry civilians to the Moon and back on SpaceX hardware.
Harvard & Smithsonian, where she directs the Solar, Stellar and Planetary Sciences Division. She is a past President of the American Astronomical Society and holds degrees from Wellesley College and Harvard University. Her interest in the star Betelgeuse began in the mid-80’s with measurements from satellites that documented the 420-day pulsation period of Betelgeuse. She also led the extraordinary team that captured the first image of a star other than the Sun – an image of Betelgeuse taken with the Hubble Space Telescope in ultraviolet light – revealing its brightly varying surface.
SUNDAY 08/22/2021 Welcome to the LabPadre 24/7 Livestream! || Onsite weather provided by INITWeather.com || BOCA CHICA NEWS: NEW Heat tile replacement continues. B3 scrapping on hold. Catch arm fabrication proceeding. New Raptors arrive at shipyard GSE tank lifted into orbital tank farm. || ROAD CLOSURES: Intermittent Aug 23rd 9:30–11:30a CDT (1430−1630 UTC) and Aug 24th 5p-11p CDT (2200−0400 UTC), also Aug 25th, 26th. || LAUNCHES: Starsem, Soyuz 2.1b/Fregat, OneWeb #9 satellite constellation launched and deployed succesfully. Next: Blue Origin/New Shepard-NS 17 Wed Aug 25 2021 at 9:35a EDT, (13:35 UTC) from Launch Site One, West Texas, Texas, USA
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Continue reading “Starbase Live Plex — SpaceX Starship Launch Facility” »
“Stay safe friends,” astronaut Megan McArthur says.
As parts of the U.S. northeast brace for Hurricane Henri to make landfall in New York today (Aug. 22), astronauts and satellites are tracking the historic storm from space.
TAMPA, Fla. — SpaceX is proposing to use Starship to rapidly deploy its second-generation Starlink constellation, providing denser rural coverage without needing more than the 30,000 satellites it previously envisioned for the follow-on network.
The proposal is one of two revised configurations that SpaceX filed Aug. 18 with the Federal Communications Commission for Starlink Gen2, updating a plan submitted in 2020.
The other configuration envisages continuing to use Falcon 9 rockets for launching Starlink satellites, and also does not involve a larger constellation or require more spectrum than what SpaceX outlined last year.
An increase in counterspace weapons is challenging the military’s approach of placing all of its billion-dollar eggs (exquisite satellites) in one basket (far-out geosynchronous orbit).
There are actually two Super Heavy boosters in the shot.
SpaceX’s Super Heavy rocket looks big, even from space.
On Aug. 9 Maxar Technologies’ WorldView-3 satellite snapped a great shot of SpaceX’s “Starbase” facility in South Texas, where the company is building and testing its Starship deep-space transportation system.
https://youtube.com/watch?v=3zLFLotBFbA
Do you remember the Zuckerland metaverse? (Yes, I know he borrowed the word, but when you are president of a digital country, does anyone dare challenge Zuck the First, Le Roi Numérique?)
Palantir Technologies (the Seeing Stone outfit with the warm up jacket fashion bug) introduced a tasty bit of jargon-market speak in its Q22021earnings call:
Continue reading “Silicon Valley Neologisms: The Palantir Edition” »
SpaceX’s Starlink satellites are involved in about 1,600 close encounters between two spacecraft in low Earth orbit every week. That’s about 50% of all such incidents. As the constellation grows, that proportion is expected to rise up to 90%, experts say.
When SpaceX deploy batches of Starlink satellites they drop them off in lower orbits and expect the satellites themselves to navigate towards their final operational orbits. This is quite a complex process and one that’s worth discussing, the satellites need to be able to reach the target orbital plane, raise the orbit to operational altitude, and then finally maneuver to a specific slot within that plane before they become operational.
Satellite Orbital Maps by Celestrak.
https://celestrak.com/
Continue reading “How Do Starlink Satellites Navigate To Their Final Operational Orbits” »
