Petros G. Sideris
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pgsideris.bsky.social
Petros G. Sideris
@pgsideris.bsky.social
12 followers 110 following 9 posts
The equity system is broken. Fixing it at - https://d01.io

xVP @GoldmanSachs
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Reposted by Petros G. Sideris
esa.int
🚀 #Artemis II launch opportunities in early 2026

Find out more on #NASA's blog:
🔗 nasa.gov/missions/art...

@exploration.esa.int
To determine potential launch dates, engineers identified key constraints required to accomplish the mission and keep the crew inside Orion safe. The resulting launch periods are the days or weeks where the spacecraft and rocket can meet mission objectives. These launch periods account for the complex orbital mechanics involved in launching on a precise trajectory toward the Moon while the Earth is rotating on its axis and the Moon is orbiting Earth each month in its lunar cycle. This results in a pattern of approximately one week of launch opportunities, followed by three weeks without launch opportunities.
January 11, 2026 at 12:33 PM
Reposted by Petros G. Sideris
sagan.bsky.social
“If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power.”

— Carl Sagan
January 11, 2026 at 12:53 AM