#herschel

Martin Hollandmho@social.heise.de
2025-04-13

Das fand ich die Woche besonders cool. 👇🏼 Vielleicht gibt's ja doch am Nachthimmel überall und in jeder Richtung Galaxien, viele sind nur versteckt.

#astronomie #news #wissenschaft #weltraum #herschel
!astronomie@feddit.org

heise.de/news/Raetsel-der-Astr

2025-04-12

Spektr-M
Arbeitstitel Millimetron

Ziel dieser Mission
im Millimeter- bis fernen Infrarotbereich untersuchen
Eine Nachfolgemission zu -Mission

Spectre- Teleskop soll in eine Halo-Umlaufbahn um den Lagrange-Punkt L2 von Sonne-Erde platziert werden

Status Vorbereitung und Bau
Спектр-M Nauka Wissenschaft Kosmos

Grafik
HST
Verfassungklage@troet.cafeVerfassungklage@troet.cafe
2025-04-11

#Rätsel der #Astronomie gelöst?

Vor mehr als zehn Jahren hat das #Weltraumteleskop #Herschel die Arbeit eingestellt. Dank einer neuen Analyse haben dessen Daten nun womöglich ein Rätsel gelöst.

Eine #britische #Forschungsgruppe hat in der tiefsten #Fern-Infrarotaufnahme des #Universums so unerwartet viele, bislang unsichtbare #Galaxien entdeckt, dass die Bestätigung des Funds "gegenwärtige Modelle zur Zahl und Entwicklung von #Galaxien sprengen würde".

heise.de/news/Raetsel-der-Astr

Daniel Fischercosmos4u@scicomm.xyz
2025-04-10

The Herschel-SPIRE Dark Field I: the deepest #Herschel image of the submillimetre Universe & II. A P(D) fluctuation analysis of the deepest Herschel image of the submillimetre universe: academic.oup.com/mnras/article & academic.oup.com/mnras/article -> 'Hidden galaxies' could be smoking gun in universe riddle: ras.ac.uk/news-and-press/resea

Dr. Victoria Grinbergvicgrinberg
2025-04-05

Caroline was an absolutely fascinating woman: stunted by a childhood encounter with typhus, she was actively stopped from learning more by her mother. Yet, she prevailed, becoming the first woman to get a salary as a scientist and the first woman to be employed by the government in England:

en.m.wikipedia.org/wiki/Caroli

The Royal Astronomical Society and the German Astronomical Society are jointly awarding the Caroline Herschel medal

ras.ac.uk/awards-and-grands/ca

Caroline Herschel portrait: (1750-1848) astronomer and sister of William Herschel
Dr. Victoria Grinbergvicgrinberg
2025-04-05

I like the way that William is introduced as Caroline Herschel's brother in the Royal Greenwich Observatory exhibition:

Portrait of William Herschel: (1756-1822) astronomer, telescope maker and brother of Caroline Herschel
2025-03-16

16. März 1750: Caroline Lucretia #Herschel wird in Hannover geboren. Die Schwester von Wilhelm Herschel unterstützte nicht nur ihren Bruder bei seinen astronomischen Beobachtungen und Entdeckungen, sondern entdeckte selbst Kometen und katalogisierte Sternhaufen und Nebel.

AstronomiemuseumAstroMuseumSon
2025-03-16

Heute (16.03.2025) vor...
...275 Jahren wurde Caroline Lucretia geboren. Caroline Herschel entdeckte mehrere Kometen, berechnete genaue astronomische Reduktionen und stellte einen Zonenkatalog hunderter und zusammen.
Mehr astronomiemuseum.de/heute-vor

2025-03-13

13. März 1781: Friedrich Wilhelm #Herschel entdeckt den Planeten #Uranus, der drei Monate danach auch als siebter Planet anerkannt wird.

Gentleman & Gangstergentlemangangster
2025-03-07

The Marginalian:

"The word "photography" was coined by the polymathic astronomer John , born on this day in 1792. Here is Virginia Woolf presaging the life and death of Instagram:"

themarginalian.org/2019/04/03/

Photograph by Julia Margaret Cameron to illustrate Tennyson’s poems.
Knowledge Zonekzoneind@mstdn.social
2025-02-04

#PhotoOfTheDay: #Mimas: Small #Moon with a Big #Crater

Whatever hit Mimas nearly destroyed it. What remains is one of the largest impact craters on one of Saturn's smallest round moons. Analysis indicates that a slightly larger impact would have destroyed Mimas entirely.

The huge crater, named #Herschel, spans about 130 kilometers and is featured here.

apod.nasa.gov/apod/ap250112.ht

Kuuke's Sterrenbeeldenkuuke@mastodon.nl
2025-01-13

Hubble ziet twee protosterren in de Orionnevel

Een nieuwe afbeelding van de Hubble Space Telescope toont ons twee protosterren in de Orionnevel, een diffuse nevel op een afstand van ongeveer 1350 lichtjaar in de richting van het sterrenbeeld Orion.

Deze Hubble opname toont HOPS 150 en HOPS 153, twee protosterren in d

kuuke.nl/hubble-ziet-twee-prot

#esa #herschel #HOPS150 #HOPS153 #hubble #M42 #Messier42 #nasa #Orionnevel #protoster #ster

Phil StookePhilStooke
2024-12-14

I answered my first map question in a separate post. Back to Herschel: his map has no coordinates but coordinates can be approximated. I projected the Herschel map into a cylindrical projection and then into two equator-centred azimuthal projections making the best match I could to modern coordinates. My intention was to take a variety of historical and recent maps in different projections and display them all in a common format for comparison.

William Herschel's map of Mars reprojected into an equator-centred pair of azimuthal projections, roughly matched to modern coordinates.
Phil StookePhilStooke
2024-12-13

Here is Herschel's actual map (left). I compare it with a mid-20th Century map in the same projection (azimuthal, extending from the south pole at centre to the mid-latitudes in the northern hemisphere). There's no coordinate grid but it vaguely resembles the more modern map. It's the first map of Mars, but not the first map of another planet. Anyone care to speculate who made the first map of another planet, and which one?

William Herschel's 1784 map of Mars (left) and a mid-20th Century map in the same (approximate) geometry (right). I will identify the more modern map when we get to it in the sequence.
Phil StookePhilStooke
2024-12-13

William Herschel made this first Mars map by rotating his drawings so he could join them at the south pole and arrange the drawings like petals of a flower. This drawing shows the concept. He had more than 4 pictures, some of which filled in a gap in coverage in my set, but you get the idea. A bit of fudging to join features properly, and you could start to make a pole-centred map. He did it better - that's why he was a Sir and I'm not.

The same 4 drawings of Mars arranged like petals of a flower, aligned roughly on the south polar ice cap. There should really be at least 5 of these drawings to make it more accurate, but this shows the idea Herschel had.
Phil StookePhilStooke
2024-12-13

Let's join some of Herschel's images together. Here are 4 from the bottom row of the previous image, rotated to put the small south polar cap at the bottom and aligned along the equator. This is not really the correct geometry, just a thought experiment or 'a concept of a map'. I added the 19th Century names. Thoth-Nepenthes is less prominent now than it was then. With some fudging to merge them you could make a rough map. Herschel didn't do this, however.

Four of William Herschel's drawings of Mars rotated to put the south polar cap at the bottom and aligned to be the start of a rough map of Mars. This would be one way to do it but it's not what Herschel did.
2024-12-08

8. Dez 1834: John #Herschel entdeckt im Sternbild Fliegender Fisch die 50 Millionen Lichtjahre entfernte Balkenspiralgalaxie #NGC2442.

Spektrum (inoffiziell)spektrum@anonsys.net
2024-09-03
Jutta Hübner hat bei der ESA ihren Traumjob gefunden: Fasziniert von komplexen technischen Systemen begleitet sie Satelliten im All. Manchmal muss einer von ihnen gerettet werden.#JuttaHübner #DLR #Köln #Interview #Gammastrahlen #Neutrinos #Herschel #PACS #IceCube #Integral #Astronomie #Satellit #ESOC #ESA #Darmstadt
Aus dem Logbuch einer Weltraumingenieurin
AstronomiemuseumAstroMuseumSon
2024-08-28

Heute (28.08.2024) vor...
...235 Jahren entdeckt
Mehr astronomiemuseum.de/heute-vor

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