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April 26, 2021 Archives
Monday, April 26, 2021
CONTEXT: Delta IV / NROL-82 Launch Replay
Posted at
22:02
THE HAPPENING WORLD: Deep Fake Satellite Images
What may appear to be an image of Tacoma, US, it is, in fact, a simulated one. Welcome to the brand new world of deepfake satellite images. https://t.co/cF5sr7LQ0G pic.twitter.com/Uzfo5wkQls
— ʜᴇɴᴋ ᴠᴀɴ ᴇss (@henkvaness) April 25, 2021
Posted at
14:22
CONTINUITY: Internet Archive—Preserving 78 RPM Recordings for Posterity
2/ There's a half-century of 78 rpm recordings (1898-1950s) at risk of being lost, never heard again in the digital era.
— Internet Archive (@internetarchive) April 25, 2021
Our goal is to save them all. 🎶
You can listen to 255,000 of these 78 rpm recordings in the George Blood Collection: https://t.co/paGsQ4lYih@great78project
Posted at
13:03
THE HAPPENING WORLD: Delta IV Heavy / NROL-82 Launch
The 9.5-hour countdown is starting at Vandenberg Air Force Base, CA for #DeltaIVHeavy to launch #NROL82 at 1:46pmPDT (4:46pmEDT; 2046 UTC). This is ULA's 143rd mission, our 90th for U.S. national security and 31st for the NRO. Live status: https://t.co/ihfKmi4GM2#PartnersInSpace
— ULA (@ulalaunch) April 26, 2021
United Launch Alliance teams on California’s Central Coast are ready to send a classified US government spy satellite into orbit as soon as Monday — weather permitting — aboard one of the company’s four remaining Delta 4-Heavy rockets.
— Spaceflight Now (@SpaceflightNow) April 26, 2021
📷: @ulalaunchhttps://t.co/L45VszfFTO pic.twitter.com/7sWeYhGwv2
Posted at
12:26
CONTINUITY: Locating Interstellar Communication Nodes Using Gravitational Lensing
Paper day! Locating deep space nodes https://t.co/KDT9HMTuSh If an interstellar communication network exists, based on nodes in the gravitational lenses of stars - where would the solar system node be? A simple exercise in geometry: pic.twitter.com/h2r6bFuzif
— Michael Hippke (@hippke) April 21, 2021
Posted at
11:51
CONTEXT: Mars Helicopter Ingenuity—Third Flight Video
Far Out 🚁
— NASA JPL (@NASAJPL) April 25, 2021
For this third flight, the #MarsHelicopter traveled almost half the length of a football field and increased its airspeed to 4.5 mph (2 m/sec). Until now, Ingenuity had not flown at this speed, even while testing on Earth. https://t.co/TNCdXWcKWE pic.twitter.com/S65oIeQ4BC
Posted at
10:49