The hottest Astronomy Substack posts right now

And their main takeaways
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Top Science Topics

Trò chơi của Diophantus

Thái | Hacker | Kỹ sư tin tặc • 2037 implied HN points • 27 Jun 24
🔬 Science Mathematics History Physics Astronomy Data science
  1. The game of Diophantus, an ancient Greek mathematician, has had a lasting impact on cryptography and internet security, with the basis of elliptic curve cryptography originating from his mathematical puzzles.
  2. Diophantus's famous book 'Arithmetica' went missing for centuries but resurfaced to contribute to the advancements in mathematics, leading to significant discoveries like Fermat's Last Theorem.
  3. The study of elliptic curves, inspired by concepts like Kepler's study of ellipses, has become a central focus in mathematics, intersecting various branches like number theory, algebra, and geometry, and even impacting modern technology such as Bitcoin security.

Desperately Seeking Solar Storms

Street Smart Naturalist: Explorations of the Urban Kind • 379 implied HN points • 16 May 24
🔬 Science Astronomy Environmental awareness Public Engagement
  1. The excitement of viewing natural events like the Aurora Borealis brings people together, showing a shared interest in nature. It's nice to see so many others wanting to connect with the beauty around them.
  2. Sometimes you might not see what you expect, like missing the Northern Lights, but there's still beauty in simply being outside and enjoying the night sky.
  3. Experiences in nature, like camping or watching the stars, can create lasting memories and inspire a continued appreciation for the universe.

In cosmology, all our errors lean the same way. The implications are... interesting

The Egg And The Rock • 1650 implied HN points • 09 May 23
🔬 Science Cosmology Astronomy Evolution Theory Research
  1. In cosmology, our errors consistently lead us to underestimate the size and complexity of the universe.
  2. A major flaw in our approach may stem from an unexamined assumption underlying our theories.
  3. Shifting from a universe-as-rock paradigm to a universe-as-egg paradigm may help us better understand the universe's complexity.
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Numlock News: January 18, 2024 • Stellar Streams, Tetrapods, Richard Feynman

Numlock News • 766 implied HN points • 18 Jan 24
🔬 Science Space Biology Data Privacy Astronomy Physics
  1. The National Baseball Hall of Fame faced a significant financial decline in revenue and attendance in 2022.
  2. Walmart's financial services became a target for scammers, leading to billions of dollars in fraud.
  3. Biologists are concerned about the extinction of tetrapod species, with around 856 currently missing and presumed extinct.

The unlit space between the stars

lifeboat • 530 implied HN points • 20 Dec 23
🔬 Science Astronomy Physics
  1. Darkness can reveal different kinds of understanding and truths that are often hidden in the light.
  2. The universe is much wilder and darker than we once thought, with most matter invisible and elusive like dark matter.
  3. Dark matter, although invisible, plays a crucial role in creating stars and light, showing that the source of substance and energy is found in the unlit spaces between things.

Weekly Dose of Optimism #131

Not Boring by Packy McCormick • 113 implied HN points • 14 Feb 25
🔬 Science Physics Health Technology Cancer Astronomy
  1. A deep-sea telescope called KM3NeT has detected the highest-energy neutrino ever recorded, which could help scientists learn more about extreme cosmic events like black holes.
  2. A new blood test named PAC-MANN can detect pancreatic cancer early and accurately, potentially improving survival rates for patients.
  3. Anduril is taking over a big military project to develop augmented reality headsets for the U.S. Army, which could enhance soldiers' performance on the battlefield.

Telescopes: Discoveries, Places to Visit, Key Facts

Space Ambition • 359 implied HN points • 19 Jan 24
🔬 Science Astronomy Astrophysics Technology Engineering Research
  1. Telescopes help us discover amazing things in space, like black holes and new planets. They've changed our understanding of the universe since Galileo's time.
  2. There are many types of telescopes, both in space and on Earth. Each one has its own strengths, like observing different wavelengths of light to see invisible objects.
  3. People are really getting into astronomy, and funding for telescopes is growing. It's easier than ever to rent telescopes or visit observatories to explore the night sky.

STRAWBERRY MOON 2023

The Lunar Dispatch • 609 implied HN points • 05 Jun 23
🔬 Science Astronomy Space Exploration Health
  1. The Strawberry Moon reached peak fullness recently, even though it was 98% full the next night.
  2. NASA has been trying to grow strawberries in space to provide astronauts with fresh produce and prevent psychological issues.
  3. NASA continues to support innovative projects to cultivate berries in orbit.

Last-minute gravitational wave predictions, June 28th 2023, hot damn

The Egg And The Rock • 589 implied HN points • 28 Jun 23
🔬 Science Astronomy Physics Astrophysics
  1. Tomorrow there will be an announcement about predictions on gravitational waves from the International Pulsar Timing Array.
  2. Gravitational waves are ripples in spacetime caused by accelerating masses; they're detected by length changes.
  3. The International Pulsar Timing Array uses pulsars and telescopes to hunt for supermassive black hole mergers, with the potential for groundbreaking discoveries.

446: ICE + Black Knight + Constellation, Meta, ARM IPO, Starlink & Cloudflare, Toyota, Novo Nordisk, Exoplanets, and Flipside

Liberty’s Highlights • 432 implied HN points • 13 Sep 23
💼 Business Acquisitions Technology Film Nuclear power Astronomy
  1. Vacations are a skill that take practice to unwind and recharge.
  2. Meeting online friends in person can enhance relationships and bring new perspectives.
  3. Partnerships between companies like Cloudflare and Starlink aim to improve services for customers.

2.4 The Copernican Revolution & the “Horror Vacui”

Fields & Energy • 239 implied HN points • 10 Jan 24
💾 History Astronomy Physics Philosophy Mathematics
  1. Nicolaus Copernicus suggested that the Earth orbits the sun, which was a big change from the earlier belief that everything revolves around the Earth. This idea helped set the stage for modern astronomy.
  2. Competing theories like heliocentrism and geocentrism can both be useful in explaining observations. Sometimes even incorrect models are used because they make calculations easier.
  3. Galileo and other scientists built on Copernicus' ideas, leading to a deeper understanding of motion, gravity, and the nature of vacuums. This helped shift thinking from old beliefs to observations and experiments.

Understanding Gravitational-Wave Observatories: A Pillar of Modern Fundamental Science

Space Ambition • 99 implied HN points • 19 Apr 24
🔬 Science Astronomy Physics Technology Research Innovation Education
  1. Gravitational-wave observatories like LIGO help us understand the universe better. They can detect tiny ripples in spacetime caused by huge cosmic events like black hole mergers.
  2. Investing in fundamental science is cost-effective and leads to unexpected technological benefits. For example, the innovations developed for LIGO can also help in industries like manufacturing and quantum computing.
  3. Fundamental science projects prepare us for future challenges, much like a university education does. They provide a foundation that helps scientists and engineers create new technologies and solutions down the line.

2.6 Isaac Newton

Fields & Energy • 199 implied HN points • 24 Jan 24
🔬 Science Physics Astronomy Mathematics History Education
  1. Isaac Newton built his laws of motion and gravitation on the earlier work of scientists like Galileo and Kepler. This helped him connect how things move on Earth with how planets move in space.
  2. Newton discovered that gravity acts in a certain way: the force gets weaker as you move further away from an object. He showed this through thinking about how an apple falls and how the moon orbits the Earth.
  3. To explain the gravitational pull of larger bodies, Newton used advanced math concepts, making his ideas more accurate. He proved that the gravity of a round object is the same as if all its mass was concentrated in one point at its center.

Five... Things about the 1715 Solar Eclipse in London

Londonist: Time Machine • 99 implied HN points • 14 Apr 24
💾 History London Enlightenment Astronomy Monarchy
  1. The 1715 solar eclipse in London, known as Halley's Eclipse, marked a significant astronomical event during the Enlightenment period.
  2. Edmond Halley's accurate prediction of the eclipse's timing and path highlighted the importance of science over superstition in the 18th century.
  3. The 1715 solar eclipse coincided with a time of political uncertainty and doubt about the monarchy, emphasizing the intersection of science, superstition, and politics.

What awe feels like

Cozy Philosophy • 99 implied HN points • 09 Apr 24
🔬 Science Astronomy
  1. Experiencing a total solar eclipse is a mindblowing and awe-inspiring event, worth witnessing at least once in a lifetime.
  2. Total solar eclipses are rare events that occur about every 400 years in a specific location but can be seen more frequently if you're willing to travel.
  3. The experience of a total eclipse is surreal and powerful, temporarily shifting focus from earthly concerns to the vastness and mystery of the universe.

Orbital stations: the past and the future

Space Ambition • 639 implied HN points • 24 Nov 22
🔬 Science Space Exploration Astronomy Technology development Research
  1. The International Space Station (ISS) has been in operation for around 25 years, but it will eventually become too costly to maintain. New space stations will be needed in the future.
  2. China has successfully built its own orbital station, Tiangong-3, which is currently inhabited. This adds to the growing presence of international space stations.
  3. Private companies are starting to develop their own space stations. NASA is supporting this trend with partnerships and funding, aiming to make space research more accessible.

Current Status and Purpose of Exoplanet Exploration

Space Ambition • 119 implied HN points • 02 Feb 24
🔬 Science Astronomy Space Exploration Exoplanets Astrobiology Cosmology
  1. Over 5,500 exoplanets have been discovered, and some even have known atmospheric compositions. This exploration is about more than science; it's about understanding our universe.
  2. Different methods are used to find exoplanets, including the transit method and radial velocity method. Each has its own strengths and helps us learn more about these distant worlds.
  3. The research into exoplanets can inspire people and improve technology, benefiting various industries. It also boosts public interest in science, making people more aware of issues like climate change.

O-Day - Wormhole

Remote View • 216 implied HN points • 09 Mar 23
🔬 Science Physics Archaeology Chemistry Astronomy Materials
  1. The presentation shared experimental evidence about the operation of the Great Pyramid of Giza.
  2. Macro photography gave a first look at the sample and detailed study of the disruption zone.
  3. Speculation was made about the use of iron as a possible fuel, along with other metals, in a related process.

Astronomy and space exploration are shaping our civilization landscape

Space Ambition • 219 implied HN points • 21 Jul 23
🔬 Science Astronomy Technology Physics Exploration Research
  1. Space exploration has greatly influenced our technology and daily lives. From GPS navigation to weather monitoring, many devices we use today were developed because of our quests in space.
  2. Astronomy helped ancient civilizations in navigation and timekeeping. By studying stars, early navigators found their way, and calendars were created to track important agricultural and religious events.
  3. The study of dark matter and other cosmic phenomena might lead to groundbreaking discoveries in the future. These studies could bring about new technologies and a better understanding of our universe.

Space Debris: Don’t make the same mistake twice

Space Ambition • 539 implied HN points • 07 Oct 22
🔬 Science Space Exploration Astronomy Environmental Science Technology development
  1. There is a growing problem of space debris around Earth. With thousands of pieces of debris already up there, the risk of collision is increasing, which can endanger astronauts and future missions.
  2. To combat space debris, innovations like better spacecraft designs and more proactive measures are being proposed. Governments and organizations are working on new regulations to minimize debris creation and improve safety.
  3. A new industry is emerging focused on cleaning up space junk. Companies are developing technologies to capture and remove debris, which is becoming a significant market with potential for high revenues in the coming years.

Mass Value Report for May 2023

Planetocracy • 137 implied HN points • 31 May 23
🔬 Science Space Exploration Astronomy Technology Research Innovation
  1. SpaceX has won the race to send mass to low Earth orbit, but the race to send mass to the lunar surface continues.
  2. Blue Origin's 'National Team' has been chosen by NASA to build a human landing system for the Artemis program, showing promise for future lunar missions.
  3. Analyzing mass value helps compare space development progress, like evaluating efficiency between Blue Origin's lunar lander and SpaceX's Starship system.

A flicker in the dark

Cosmographia • 139 implied HN points • 03 Mar 23
🔬 Science History Astronomy Cosmology
  1. Time may seem vast when looking back, but in the grand scheme of things, it's just a fleeting moment.
  2. The universe started 13.8 billion years ago as a condensed point of infinite density.
  3. The post is only available for paid subscribers, offering exclusive content.

Action Potentials for July

Neurobiology Notes • 98 implied HN points • 22 Jul 23
🔬 Science Neurobiology Cryonics Astronomy Anti-aging Psychiatry
  1. Analysis of the Drosophila connectome reveals insights about neurotransmitters and information flow in the fly brain.
  2. Cell type annotations in the Drosophila connectome highlight the complexity and comparisons with previous mapping efforts.
  3. Developing a computational model of the Drosophila connectome provides insights into neural activity dynamics and behavioral predictions.

JUICE: A Journey to the Icy Moons of Jupiter

Europe in Space • 98 implied HN points • 10 Apr 23
🔬 Science Space Exploration Astronomy Satellite Technology Planetary Science
  1. JUICE mission to study Jupiter's icy moons is a world-beater showing European excellence in space exploration.
  2. JUICE will be the first spacecraft to perform various feats, like a lunar-Earth gravity assist and orbiting moons of another planet.
  3. JUICE spacecraft has a titanic effort in its creation, involving multiple countries and costing around €1.6 billion.

Space and the festive season: more connected than you think

Space Ambition • 179 implied HN points • 23 Dec 22
🔬 Science Astronomy Space Exploration Cultural Traditions Festivals
  1. Christmas and Hanukkah sometimes overlap, but they follow different calendars. Christmas is always in December, while Hanukkah moves around because it's based on the moon.
  2. The Magi from the Bible, who brought gifts to Jesus, are linked to astronomy because they followed a bright star. Some think this star might have been a real astronomical event.
  3. Astronauts in space celebrate the holidays by decorating and sharing special meals. They even had fun pranks, like pretending to see UFOs and playing 'Jingle Bells' in space.

An Astronomical Archaeology

Orbis Tertius • 86 implied HN points • 12 Jan 24
💾 History Archaeology Astronomy Artifacts
  1. The Golden Records sent aboard the Voyager probes contain information for potential extraterrestrial encounters, including a map of our solar system.
  2. The Antikythera Mechanism, an ancient device, was ahead of its time in predicting solar eclipses and movements of the sun and moon.
  3. Artifacts like the Nebra Sky Disc and Phaistos Disc offer unique insights into ancient astronomical knowledge through complex inscriptions and depictions.

Live Critical Mass Interactive Zoom Q&A: January 6th @ 4 PM Pacific Time

Critical Mass • 2 implied HN points • 05 Jan 25
🔬 Science Physics Astronomy Math Technology Education
  1. There will be a live Zoom Q&A session on January 6th at 4 PM Pacific Time for paid subscribers. It's a chance to connect and ask any questions you have.
  2. These events are exclusively for paid subscribers, and your support helps continue important programs like the Origins Podcast.
  3. The goal of the Origins Project is to give people a better understanding of their place in the universe and share ideas that shape our world.

Links for 2024-01-12

Axis of Ordinary • 39 implied HN points • 12 Jan 24
🕹 Technology AI Astronomy Compute Psychology Ukraine
  1. AI advancements showcased in different domains like video models, AI glasses for the visually impaired, and AI-powered cough tracking apps.
  2. Exciting developments in astronomy with potential signs of life on exoplanets.
  3. Innovation in computing with faster nanotechnology, graphene spintronics, and Silicon Photonics breaking bandwidth limitations.

Sorry Folks There Aren't Any Space Aliens

Dilan’s Newsletter • 58 implied HN points • 08 Aug 23
🔬 Science Space Physics Astronomy
  1. Science is not a religion, it relies on observations and experiments for truth
  2. The vastness of the universe and the limits of the speed of light make it highly unlikely for humans to ever come into contact with extraterrestrial intelligence
  3. Despite the fascination with space aliens, there is no scientific evidence supporting their existence or visits to Earth