Today in my Astro Sci-Comm class we tried something new: we watched clips of 4 astronomers, & discussed the wildly different speaking/presenting styles. Of course I chose these to be VERY different in style. Only 1 was a chaotic train wreck (spoiler, it was me from +10yrs ago) #astrodon#academicchatter#astronomy
I feel like all that time I’ve been practicing shading is starting to pay off.
Sitting atop a fractal surface of black holes, Tribert tries to make Adenine, one of the molecules in DNA, but he didn’t get it quite right, probably because he got distracted by the cats. Maybe next time, Tribert.
Tribert Tries to Make Life
Doodle No. 140
8” square
Ink, highly lightfast (fade resistant) watercolor pencils and paint, and mica paint on Arches 300 GSM 100% cotton paper
After years of searching, astronomers have finally detected an atmosphere on a rocky planet around another star.
But what a strange planet it is! 55 Cancri e seems to be blanketed in carbon dioxide gas bubbling out of a global ocean of lava. Like an image out of Dante's Inferno.
This scattered collection of stars is actually an irregular dwarf galaxy called Holmberg IX. It resides just off the outer edge of Messier 81, a large spiral galaxy located 11.8 million light years from the Milky Way and located in the direction of the Ursa Major constellation. This image taken by the Space Telescope shows that Holmberg IX belongs to a type of..... #astronomy#space#astrophysics#astrophotography
"Next steps for the project could include follow-up observations by the James Webb Space Telescope, which would deliver important insights into the planet's surface mineralogy, and the potential for an atmosphere."
#solarstorm
I predict the next big cult of the Sun will be started by radio astronomers, whose life has become way too much dependent on the cycles of solar activity these days.
Human sacrifices of post-docs and phd will be the next step I guess. 😬 #astrodon#astronomy
i also managed to image this afternoon's ISS solar transit using my Hydrogen Alpha Telescope. The detail on the solar disk is fascinating! #ISS#spacestation#astronomy
The image by astronomer Lóránd Fényes shows the dark cloud Barnard 344, which lies ahead of a larger complex called the Gamma Cygni Nebula, to which it is closely related. Dark clouds like Barnard 344 become visible when in front of bright objects, such as emission nebulae or dense star fields. These clouds contain a large amount of dust and..... #astronomy#space#astrophysics#astrophotography
The image by astronomer Lóránd Fényes shows the dark cloud Barnard 344, which lies ahead of a larger complex called the Gamma Cygni Nebula, to which it is closely related. Dark clouds like Barnard 344 become visible when in front of bright objects, such as emission nebulae or dense star fields. These clouds contain a large amount of dust and..... #astronomy#space#astrophysics#astrophotography
"While there are still hurdles to overcome and challenges to solve before LSST can deliver on its extraordinary promises, thankfully, dealing with tiny bits of space junk likely won’t be one of them."
Hier ist ein Vergleich von gestackten Bildern, die ich von M101 mit meinem #EvoGuide 50ED und #SkyWatcher Az-GTi aufgenommen habe.
Das erste Bild wurde letztes Jahr im Juli mit einer ASI224MC aufgenommen. Es ist ein Stack von 2550 Bildern mit jeweils 3s Belichtung, insgesamt 7650s.
Obwohl es letzte Nacht windig war, konnte ich 50 Bilder mit 120s Belichtungszeit aufnehmen (6000s Gesamtbelichtungszeit). Diesmal wurde eine ASI533MC-Pro verwendet.
Today's H-alpha #Sun in good seeing conditions at 17:00 UTC.
There are not many days on which H-alpha views of the Sun include prominences that visualize the magnetic field lines above active regions particularly well, but today is definitely one of those days.
1/2 I still struggle getting used to the fact that the smallest mirrors of the Extremely Large Telescope are similar in size to the primary mirrors of many current telescopes!
The M5 – the fifth mirror in the optical path – has reached a key milestone: its blank, the piece that will be later polished, has been finalised.
Scottish astronomer Williamina Paton Stevens Fleming was born #OTD in 1857.
Fleming's most significant contributions came in the field of stellar classification. She developed a system for classifying stars based on their spectra, which became known as the Harvard Classification Scheme. In 1890, she published the first catalog of stellar spectra, which contained over 10,000 stars classified according to her system.
Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
The elliptical orbits of planets were indicated by calculations of the orbit of Mars. The third law expresses that the farther a planet is from the Sun, the slower its orbital speed, and vice versa.
Awesome work by F.Ubertosi (University of Bologna) using from LOFAR to VLBI radio observations (together with Chandra's X-ray obs.) to probe the feedback history of central galaxy in cluster RBS 797
covering in radio from ~100kpc to ~10pc in scales (!) this study support the idea that the dynamics of this system is explained by a binary supermassive black hole merger