What makes constellations?
Friday, May 31, 2024
Black Hole Stars
Eddington Limit
Did you know?
"Even if a black hole can pull matter faster than the Eddington limit, that increased accretion should produce powerful winds and outflows that drives materials away, choking off further growth. In other words if episodes of super-Eddington accretion do occur they are presumably in duration, setting yet another limit on how fast black hole can grow.
Because of these natural limits, astronomers find it difficult to explain how a black hole starting off with 100 to 200 solar masses can accrete enough material in only a few hundred million years to grow into the billion-solar-mass behemoth powering the quasars J1342 and J1007. For that, we need to seed black holes with much higher intial masses. But how are they born?"
Astronomy Magazine March 2021 "How to Grow a Giant Black Hole" pp. 16-23
Wednesday, May 29, 2024
Cosmic Pulsars
"The sweeping beams of cosmic lighthouses called pulsars are much more energetic than previously thought, calling into question the bulbs that power them."
https://www.sciencenews.org/article/vela-exploded-star-highest-energy-pulsar
Rocket Lab
"NASA and Rocket Lab are targeting Saturday, June 1, to launch the second CubeSat for the agency’s PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment) mission."
https://www.jpl.nasa.gov/news/launch-date-set-for-nasas-second-prefire-satellite?utm_source=iContact&utm_medium=email&utm_campaign=nasajpl&utm_content=prefire20240529
Tuesday, May 28, 2024
SpaceX's Starship
"SpaceX's Starship rocket just reached orbit for the very first time, but now it's gotten lost upon reentry."
https://www.livescience.com/space/space-exploration/spacexs-incredibly-powerful-starship-lost-in-the-indian-ocean-after-reaching-orbit-for-1st-time
Sunday, May 26, 2024
Astronauts to Moon
"NASA is getting ready to send astronauts to explore more of the Moon as part of the Artemis program, and the agency has selected SpaceX to continue development of the first commercial human lander that will safely carry the next two American astronauts to the lunar surface."
https://www.nasa.gov/news-release/as-artemis-moves-forward-nasa-picks-spacex-to-land-next-americans-on-moon/
Saturday, May 25, 2024
Ripples in Space
"The motion of black holes and other massive objects through space can create ripples in the fabric of the universe, called gravitational waves."
https://www.jpl.nasa.gov/news/15-years-of-radio-data-reveals-evidence-of-spacetime-murmur
Thursday, May 23, 2024
Mars Helicopter
"The 52nd flight of NASA’s Ingenuity Mars Helicopter is now in the official mission logbook as a success."
https://www.jpl.nasa.gov/news/nasas-ingenuity-mars-helicopter-phones-home?utm_source=iContact&utm_medium=email&utm_campaign=nasajpl&utm_content=ingenuity20230630
Avi Leob Alien Technology
Euclid
"A new space telescope named Euclid, an ESA (European Space Agency) mission with important contributions from NASA, is set to launch in July to explore why the universe’s expansion is speeding up."
https://www.jpl.nasa.gov/news/nasas-roman-and-esas-euclid-will-team-up-to-investigate-dark-energy
Wednesday, May 22, 2024
Reflective Planet
"Astronomers have discovered the most reflective planet outside the solar system ever seen."
https://www.space.com/exoplanet-largest-mirror-metal-clouds
Mars Mission
Jupiter
"Among the planets in our solar system, Jupiter is the eldest and largest, and it often appears as the second brightest in the night sky after Venus."
https://www.smithsonianmag.com/science-nature/the-seven-most-amazing-discoveries-weve-made-by-exploring-jupiter-180984352/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=editorial&spMailingID=49781215&spUserID=MTQzNjUzNTAxNTQ5OAS2&spJobID=2702464001&spReportId=MjcwMjQ2NDAwMQS2
Tuesday, May 21, 2024
Stunning Picture
"This stunning picture of the star-forming region closest to Earth is the latest to be released by the James Webb Space Telescope (JWST)."
https://www.nature.com/articles/d41586-023-02289-y
Monday, May 20, 2024
Blue Origin
"Blue Origin carried out its first crewed launch since 2022 on May 19th, sending six space tourists into space for a brief period of weightlessness."
https://www.theverge.com/2024/5/19/24160127/blue-origin-ns-25-new-shepard-6th-crewed-launch
Sunday, May 19, 2024
Webb
"The first anniversary image from NASA’s Webb is of the Rho Ophiuchi cloud complex, the closest star-forming region to Earth."
https://www.jpl.nasa.gov/news/webb-celebrates-first-year-of-science-with-close-up-on-birth-of-sun-like-stars
Saturday, May 18, 2024
Psyche
"With less than 100 days to go before its Oct. 5 launch, NASA’s Psyche spacecraft is undergoing final preparations at Cape Canaveral, Florida."
https://www.jpl.nasa.gov/news/nasas-psyche-mission-enters-home-stretch-before-launch
Warp Drive
Thursday, May 16, 2024
Mars Rivers
Wednesday, May 15, 2024
Stars
Cotton Candy
Monday, May 13, 2024
Mysteries in Astrophysics
"One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up."
https://theconversation.com/is-dark-matters-main-rival-theory-dead-theres-bad-news-from-the-cassini-spacecraft-and-other-recent-tests-228826?utm_source=join1440&utm_medium=email&utm_placement=newsletter
Sunday, May 12, 2024
Nishimura
"Comet Nishimura is slowly but inexorably approaching its perihelion, the closest point to the Sun in its long orbit."
https://www.iflscience.com/how-to-spot-comet-nishimura-in-the-sky-in-the-coming-weeks-70534
Saturday, May 11, 2024
Oblers' Paradox
Unis
“[The king] Unis seizes the sky and splits its iron.”
https://www.smithsonianmag.com/science-nature/do-hieroglyphic-texts-reveal-that-ancient-egyptians-knew-meteorites-came-from-the-sky-180983039/
Sun
Friday, May 10, 2024
Atlas 5
"An Atlas 5 rocket carrying astronauts for the first time was fueled for blastoff Monday night to boost Boeing's long-delayed Starliner crew ferry ship into orbit for its first piloted test flight."
https://www.cbsnews.com/news/boeing-starliner-launch-space-station-crew/?utm_source=join1440&utm_medium=email&utm_placement=newsletter
Thursday, May 9, 2024
Black Holes
Planets Making
Monday, May 6, 2024
Ediacaran Period
Sunday, May 5, 2024
Mars Quake
National Astronaut Day
NATIONAL ASTRONAUT DAY
"National Astronaut Day on May 5th each year celebrates Astronauts as true heroes."
https://www.nationaldaycalendar.com/national-day/national-astronaut-day-may-5?utm_source=Iterable&utm_medium=email&utm_campaign=9734380&hashed_email=6c23328441e0f46865e8039a24ce7ccf8880f2d7&email=yeremiah%40aol.com