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Episode 434:

Spaceflight News— Rocket Lab Failure Analysis (space.com) (PDF: q4cdn.com VIA & Sweet— Astra’s financial future (spacenews

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Opals

Opal, the national gemstone of Australia, is silica, the most common ingredient of sand, with a number of water molecules attached to it. On Earth Opal forms when water evaporates from a slurry of san

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770-Hycean Worlds

Hycean Worlds, with masses between Earth and Neptune which have thin hydrogen rich atmospheres above a liquid water ocean may be very common in our neighborhood of the Milky Way. They could be an abod

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Episode 433: Dinkinesh and Dinkynesh

Spaceflight News— Lucy flies past Dinkinesh and also Dinkinesh (nasa.gov) (PDF: ntrs.nasa.gov VIA ntrs.nasa.gov) — Aerojet Rocketdyne supplied Lucy’s thrusters (l3harris.com) (PDF: ama

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257E-269-Gamma Ray Eyes

If you woke up tomorrow with gamma ray eyes things would look very different. Geology would come to life as you peered into the Earth and became aware of the various minerals it contains. Gamma rays c

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769-Green Comet

Given the effects of climate change today who can predict what planet Earth will be like when C/2023 P1(Nishimura) comes back near our home planet in approximately 2455 AD.

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Episode 432: Fab

Spaceflight News— ABL Dusts Itself Off & Sweet— NASA struggles to open asteroid sample container (space.com)— Rocket Lab to return

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256E-268-Mars Weather Report

Before you pack your bags for a trip to Mars you will want to check out the weather data that NASA's Curiosity Mars Rover has recorded over the past two Martian years.There is no getting around the fa

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Observatory Csokako

In 2023 T. Maroti of the Capricornus Observatory, Csokako, Hungary discovered two Earth approaching asteroids which were passing through the night sky unnoticed by other observers. His equipment is an

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Episode 431: Roller Coaster Tycoon

Spaceflight News— Gaganyaan in-flight abort test (youtube.com) (HT: Jatan’s Space PDF: gov.in) (HT DeltaV: — Pad abort test (youtube.com) — Future huma

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767-A Really Tough Customer

The more we learn about 322P/SOHO the stranger it becomes.

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Episode 430: Iron Sponge

Spaceflight News— Psyche launch and mission preview & Sweet— Spacewa

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766-Korean Asteroid Hunters

The Catalina Sky Survey and the Korean teams of asteroid hunters will discover and track Earth approaching objects making the residents of our home planet safer

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Episode 429: DOWNLINK--Ben Reed

Spaceflight News— Tiangong’s expansion (cnn.com)— Northrop Grumman joins Starlab team (nasa.gov)— Orbital Reef may be abandoned & Sweet— Luna-25 failure “analy

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from ET

Should humans hide from ET or should ET hide from us?

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Bright fireball meteors sometimes rain pieces of themselves onto the ground for meteorite hunters to discover.

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Episode 428: Actual Human Ballast

Electron experiences its third upper stage failure. Also Stoke Space performs an upper stage test hop, Sierra Space does a habitat module burst test, and China reveals plans to return lunar samples fr

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Planets

Collisions between planets, planetesimals, asteroids, and comets have produced the place where we live and breathe.Today scientists are replacing myths with solid evidence that violent impacts between

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Ep. 691: Jupiter’s Changing Red Spot

Astronomy Cast Ep. 691: Jupiter’s Changing Red Spot by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 25, 2023. Jupiter’s Great Red Spot is one of its most iconic features. First seen hundreds of y

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The natural night sky is alive with its own lights. In addition to celestial sources often there is natural night sky airglow powered by space weather from above and/or tropospheric activity from belo

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with Earth

The Moon is the Earth's long time dancing partner. This unequal pair revolve about a teeter totter type balance point which in turn orbits the Sun every 365 and a quarter days. A small asteroid has be

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Ep. 690: Climate on Mars - From Ice Caps to Dust Storms

Astronomy Cast Ep. 690: Climate on Mars - From Ice Caps to Dust Storms by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 18, 2023. We’ve looked at Earth’s changing climate, now let’s see what it’s

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763-Hogan's Big Rock

My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation Sextans with our 60 inch telescope on Mt. Lemmon, Arizona when he discovered the largest asteroid in nearly a decad

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Episode 427: Pre-Dawn

Spaceflight News— Dawn Aerospace discusses future plans & Sweet— Artemis-II gets its engines Firefly launches Victus Nox Co

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252E-264-Tough Guy

A tough rocky asteroid makes close approaches to the Sun.

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Ep. 689 - Our Warming World: 20 Years of Climate Science

Astronomy Cast Ep. 689 - Our Warming World: 20 Years of Climate Science by Fraser Cain & Dr. Pamela Gay Streamed live on Sep 11, 2023. It’s official! June and July were the warmest we’ve seen since re

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762-Kacper's PHA

An object like 2023 MN5 impacts Earth once every 90,000 years or so creating a crater 5 miles in diameter an 1800 feet deep in sedimentary rock. 50 miles from the impact of such an object observers wo

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Episode 426: Studyin’ The Sun

Spaceflight News— Aditya-L1 studyin’ the Sun (space.com) (eoportal.org) (PDF: & Sweet— Starship stands corrected MaiaSpace tests cryogenic second stage (european

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Shadows

Students and teachers are doing real science by measuring the shadows cast by distant objects in our solar system.For years humans knew Pluto, the first object to be discovered, only a

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Universo curioso de la NASA: primera temporada

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Duo

In less than two hours my Catalina Sky Survey teammate Allesandra Serrano discovered two small fast moving space rocks. Both of them passed through the Earth-Moon system unimpeded. Other space rocks a

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This Week @NASA Sept. 8, 2023

Hycean Worlds, with masses between Earth and Neptune which have thin hydrogen rich atmospheres above a liquid water ocean may be very common in our neighborhood of the Milky Way. They could be an abod3