Saturn’s magnetic shield is unexpectedly lopsided, with its entry point for solar particles pushed off-center. Scientists believe its fast spin and material from its moon Enceladus are warping the entire system.
Category: space – Page 3
US firm flies hypersonic system that captures images through plasma layer
Varda Space Industries has launched its sixth reentry capsule aboard SpaceX’s Transporter-16 mission.
The capsule launched aboard a Falcon 9 rocket from Vandenberg Space Force Base, California, at 4:02 am PT (11:02 am UTC). It carried a US government-funded hypersonic technology experiment within its interior.
The payload was designed to test a hypersonic navigation system capable of accurately identifying spacecraft position, even when communications are blocked by intense plasma sheaths during hypersonic flight.
Cosmic collision of galaxies mapped by Maunakea telescope
An astronomer at the University of Hawaiʻi at Hilo is using data from the Canada–France–Hawaiʻi Telescope (CFHT) on Maunakea to help reconstruct a slow-motion cosmic collision, one that has been unfolding for hundreds of millions of years. A new study from principal investigator R. Pierre Martin, a professor of astronomy at UH Hilo, and international researchers such as Ph.D. student Camille Poitras and colleagues at Université Laval in Québec, Canada, simulates the past, present, and future of two spiral galaxies, NGC 2207 and IC 2163.
Artemis II live updates: Crew enters high Earth orbit, NASA says they are in ‘great spirits’
Artemis II will make history, taking astronauts around the moon for the first time in more than 50 years. The four-person crew will launch from NASA’s Kennedy Space Center on Merritt Island, Florida, for a 10-day journey.
The trip will pave the way for future Artemis missions intended to eventually see astronauts set foot on the moon, and the building of a permanent lunar base.
Read more here about what you need to know regarding the Artemis II mission, including how long it will take, who the astronauts are and how to watch.
The 2022 JEPA is essentially the 1992 PMAX
Yann LeCun said:
BREAKING: Schmidhuber claims to have invented JEPA in 1992!
Is anyone surprised?
At some point, when I have nothing better to do, I’ll write a piece about what it means to invent something.
Speaking of which, one day, when I was still in high school, I wrote f(x)=0.
Every theory, every algorithm, is a special case of this (with proper definitions for f and x).
Every technology is a practical application of it.
LIVE! Artemis II Tanking Operations Underway
Join us as we countdown to launch of Artemis II from historic Launch Complex 39B at NASA Kennedy Space Center in Florida.
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🔴WATCH LIVE: NASA’s Artemis 2 Launch Countdown LIVE From Kennedy Space Centre | Moon Rocket | N18G
Artemis II Moon Rocket Launch LIVE: NASA’s Artemis II Live Views from Kennedy Space Center, FL | CNBC TV18
LIVE feed from Kennedy Space Center in Florida will provide continuous views of the Artemis II Moon rocket beginning on Thursday, March 19, with rollout from the Vehicle Assembly Building to Launch Pad 39B. NASA Sends Astronauts around the Moon for the first time in 50 years.
Live view of the Artemis II Moon rocket. While the Artemis II launch window opens as early as Wednesday, April 1, the mission management team will assess flight readiness across the spacecraft, launch infrastructure, and the crew and operations teams before selecting a launch date. NASA’s Artemis II mission is scheduled to lift off from Kennedy Space Center on April 1. The two-hour launch window starts at 6:24 p.m. EDT (2224 UTC).
Four astronauts — three from NASA and one from the CSA (Canadian Space Agency) — make up the Artemis II crew:
NASA astronaut Reid Wiseman, Artemis II commander.
NASA astronaut Victor Glover, Artemis II pilot.
NASA astronaut Christina Koch, Artemis II mission specialist.
Canadian Space Agency (CSA) astronaut Jeremy Hansen, Artemis II mission specialist.
After launching into space atop NASA’s Space Launch System (SLS) rocket, the crew will journey around the Moon and back in their Orion spacecraft, named Integrity, on an approximately 10-day mission. Artemis II will be the first crewed flight test of SLS and Orion, testing the technologies we’ll need for long-term lunar exploration and human missions to Mars.
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Earth formed from material exclusively from the inner solar system, planetary scientists show
Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have come from the outer solar system, i.e., beyond Jupiter. For a long time, material from the outer solar system was considered necessary to bring volatile components such as water to Earth. Accordingly, there must also have been an exchange of material between the outer and inner solar systems during the formation of Earth. But is that really true?
Planetary scientists Paolo Sossi and Dan Bower, from ETH Zurich, compared existing data on the isotopic ratios of a wide range of meteorites, including those from Mars and the asteroid Vesta, with those of Earth. Isotopes are sibling atoms of the same element (same number of protons) that have a different mass (different number of neutrons).
The researchers analyzed this data in a new way and arrived at a surprising conclusion: the material that makes up Earth originates entirely from the inner region of the solar system.