Tag Archive | Cassini–Huygens

Mr. Eccles Presents | Spokes in Saturn’s Rings & Cassini Huygens Landing

I’ve a couple of great vids by Phil Plait, the Bad Astronomer this morning! In the first, we see spokes, almost like those of a wheel, in the rings of Saturn. The mechanism by which they come about is a bit complex to get into here, but one explanation involves micron-sized ring particles electrically charged by the ionizing UV radiation from the distant Sun, focused by Saturn’s magnetosphere outward along the width of the rings, creating what basically amounts to enormous natural linear particle accelerators. How kewl is that? When Voyager I was here on its survey of the Saturn system, it was basically being blasted with radiation when crossing the plane of the rings along the path of the spokes! I love the fact that our species can build craft that durable, a craft now venturing in to the space between the stars!

Below, we have the recording of the entry of the Cassini Huygens lander entering and landing on the surface of Saturn’s moon Titan with the aid of a parachute. Here, we can see details of the surface, below the ever-present upper clouds of smog, worse than L.A. California in the 1970s, and the mountains and other land formations near the landing site. These are details that no one on Earth had ever seen before!

And now, you see them too!

Tf. Tk. Tts.

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Caturday’s Astrophenia | 2016.04.16

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This week I’m engaged in working on my study skills and putting them to use at the same time, and we are still getting Rickmeister Fluffington used to my parental unit and to Gorgeous, the most sedate and least scary cat in the house. Ricky is getting on wonderfully with Eccles, which is good given Eccles’ aggressively kittenish playfulness. No jumping on other cats’ heads or attacking fluffy tails for you, Doctor Eccles! The objective of the next week is to get pictures of Ricky trying to hide, either behind the couch, or in my spare room, amusingly in plain sight while thinking himself invisible. He reminds me of old Rocky, who used to try his cloaking device technique of jumping onto my desk and slowly creeping up to me, which of course never worked 🙂

I know that officially I’m supposed to be on a self-imposed spring break until the next study semester, but preparation is needed. I must catch up with practice on earlier material, lots of immersion in the subject, including speaking the language(s) however badly at first. Learning languages is not easy, especially three of them, and you cannot succeed if you are not willing to accept and exploit setbacks. It’s important to use “break time” to ready myself for more advanced material, to make demonstrable progress whatever the subject once study officially resumes. It’ll be fun, and it has been so far.

Tf. Tk. Tts.

Close up of the Bubble Nebula

Lucid Dreaming

Cancri 55 e: Climate patterns on a Lava World

Auroras and the Magnetosphere of Jupiter

Wolf-Lundmark-Melotte

Lapland Northern Lights

A Green Flash of Spring

Cassini Approaches Saturn

The Comet and the Star Cluster

Combined Solar Eclipse Corona from Earth and Space

Orion in Read and Blue

Full Venus and Crescent Moon Rise

Mercury and Crescent Moon Set

Heliopause Electrostatic Rapid Transit System

Image Of The Week: Evaporating Peaks In 3D: Pillars In The Monkey Head Nebula

Weekly Astrognuz:

Bigelow and ULA Partner to Launch Commercial Space Habitat by 2020

KELT-4Ab is a Jupiter-Like Planet Orbiting in a Triple Star System

NASA Invests in Two-Dimensional Spacecraft, Reprogrammable Microorganisms

NASA Discovers 72 New Asteroids Near Earth

Robert De Niro Defends Anti-Vax Documentary, Parrots Long-Debunked Claims

Video: Two Years of NEOWise Asteroid Data

Hawking Supports Tiny Spacecraft to Alpha Centauri

Three Jupiters: A Jupiter Analog Orbits Another Star

Space Images: The Great Divide

Pluto Reveals More Secrets

The Laws of Cosmology May Need a Re-Write

Rogelio Bernal Andreo Photo of Faint Wispy Dust Between the Stars

A Space Spider Watches over Young Stars

April 12, 1961: The First Human in Space

Three Jupiters: Young Rogue Exoplanet Found in Sun’s Galactic Neighborhood

Saturn Spacecraft Samples Interstellar Dust

Big Picture Science Radio Show | Surfeit of the Vitalest 

xkcd: Stargazing


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Caturday’s Astrophenia | 2015.11.21

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namaskar. This week, I’m rolling out graphic headers for all themed posts, and this installment’s features my favorite diabolical psycho fluffy furniture-destroyers Mr. Eccles and Rockykins.

The week has been good, with much accomplished but less study than I’d have liked, but that’s my only complaint – I’ll live.

This post from here on out will be published biweekly, so I’m featuring the Astronomy Picture of the Day links for the previous two weeks.

Thanks to twitterer @Ravenpenny for the inspiration to make and use graphic headers, and to Sharmishtha Basu for a huge portion of the inspiration to keep blogging.

I’m woefully behind in my studies, so there are Bengali books calling my name this morning and coming afternoon.

A Quadruple Sky over Great Salt Lake

Assembly of The International Space Station

AE Aurigae and the Flaming Star Nebula

An Unexpected Rocket Plume over San Francisco

Kenya Morning Moon, Planets and Taurid

The Tadpoles of IC 410

Wright Mons on Pluto

Leonids over Monument Valley

A Blazing Fireball between the Orion Nebula and Rigel

The Pelican Nebula in Gas, Dust, and Stars

A Sudden Jet on Comet 67P

Centaurus A

Leonids and Friends

Recycling NGC 5291

Image of the Week:

Veil Nebula Supernova Remnant

Weekly Astrognuz:

NASA Orders SpaceX Crew Mission to International Space Station

Watch the entire Cassini mission image catalogue as a movie

Weekly Space Hangout: November 20, 2015

Galaxies: Two photos of nearby spirals

Big Picture Science Radio Show — Skeptic Check: Paleo Diet

Partners in Science: Private Companies Conduct Valuable Research

Two JAXA mission updates: Akatsuki Venus orbit entry and PROCYON Earth flyby

It’s Finally Here: Comet Catalina Greets Dawn Skywatchers

Bobby Jindal: Anti-science GOP candidate mocked on The Tonight Show

Pluto’s Moons Spinning Wildly

Third Rock Radio | NASA

Planetary Radio | The Planetary Society

Curiosity Mars Rover Nears First Study Site of Active Sand Dunes Beyond Earth

Canada: New government appears to be pro-science

Gemini Planet Imager Exoplanet Survey — One Year Into The Study

Humans Orbiting Mars | A Website of The Planetary Society

Cinematic Mars


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