Karen Masters

@karenlmasters.bsky.social

10308 Followers 1978 Following

Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book “The Astronomers Library” about books, libraries and astronomy - three of my favourite things. Brit/US.

Image of the lagoon nebula. Has the Origin logo at lower right. Says taken Tue Sept 8 at 20.52 at Strawbridge Observatory, Haverford PA. 420s exposure.
Book cover showing astronomical themed cover. Words say "Biblioteka Astronomow. Ksiazki, ktore ujawnity tajemnice wszechswiata. Karen Masters." (that's Polish I'm told).
A stone observatory surrounded by trees.
A TV screen with the NASA logo and a question “what are you most excited for Roman to study?” With answers “dark energy and dark matter, planetary systems, supernovae, black holes”
A ground hog (medium sizes grey rodent) in a backyard by a fire pit
A Sun with a partial eclipse.
A telescope dome on the roof of a building.
A woman with glasses standing in front of a sign which says "Zooniverse. People-Power Science" and some other words which are illegible. The background image looks vaguely spacey with some blue swirls.
A deer sitting on the ground by a stone wall.
Three women in academic dress by a tree. The skies are blue. They look happy.
A woman standing in front of a window behind which is a vertical structure roughly in the shape of a telescope pointing up. Much of it is covered in shiny metal. The NASA logo and the word “Goddard” can be seen painting on a far wall. There are some reflections in the window visible.
Yellow and white crocuses.
A snowy scene
Blue skies above a green sea with a a cliff.
A two domed stone observatory in the snow with blue partly cloudy skies above and surrounded by trees including some branches in the edge of the frame with snow on them.
A snowy scene.
A snowy scene.
A cat sitting proud on the arm of a couch. Behind is a lazy boy and a star shaped light fixture. And a window. You can also see a Lego Hubble space telescope.
A quarter moon in a blue sky above some trees.
A quarter moon in a deep blue sky above an observatory dome.
The Notre Dame at night by the Seine with a tree and street lights and a full moon in the sky.
A frosty landscape with a sunrise sky. A tree in the foreground.
A sunset sky over a silhouette of trees and a church spire.
The moon on the way to being full hangs in a blue sky over a ruined castle with green grass in the foreground
The Orion constellation between two buildings.
A snowy countryside scene with a church and sunrise.
A beautiful and colourful nebula in space. You can tell it's JWST image because of the 6 diffraction spikes on the bright stars
A snowy scene.
A box of mince pies. Little pastry pies with snowflake patterns.
A large statue of Benjamin Franklin in a building with columns.
Sunset behind a stone observatory.
A white telescope dome below cloudy skies.
Blue skies and red and orange leaves on trees. A partial moon is just visible.
A road at night with lamp style street lamps.
A stone observatory with a white dome. The path has red lighting and the lamp style street light is turned off. The skies are cloudy.
The underside of a piece of white equipment mounted on wood. Can see a fluffy ball of something.
A group of students standing in front of a radio telescope.
A woman taking a selfie. Behind is a low white building and behind that a large radio telescope pointed at an angle.
A skeleton sitting at a table reading a book in a library.
Autumnal leave in trees.
A black cat sitting next to a stuffed toy highland cow.
An inviting path in the woods. Glowing orange and yellow fall colours in the sunshine.
A domed observatory in front of orange clouds at sunset.
This book is dedicated to all the women out there who no longer have the patience or desire to put up with any nonsense.
A woman wearing a white shirt standing in front of a stone wall. There’s a plaque with an image of Emmy Noether.
A grave in a stone walk way. Says “E. N. 1882-1935”. Above is a plaque with an engraved likeness of Emmy Noether and equations of her laws of symmetry.
An observatory under clear skies at sunset. You can see one of the domes is open and there is a telescope visible in the opening.
A bookshelf full of Astronomy related books.
Screen grab says “The vaccine(s) you selected are currently out of stock in your area. Try a different date or search again with a new location”
Says “Hi Karen, select vaccines for up to 4 people” then an alert saying “we are expecting an updated Covid vaccine for the 2025-2026 season to be approved in the coming days. Appointments will be available for the updated vaccine as soon as it is approved. Please check back here for the latest update”
A coffee abd a book: “Orbital” by Samantha Harvey
A starry scene with stripes going through it.
An image showing a walking route which goes through the sea in New Quay Bay (labeled as a part of Cardigan Bay near New Quay).
Ripples in sand
A grap of sky brightness (mag/arcsec^2) over the course of a night, showing it getting darker then lighter. There are dips and variability high lighted in a different shade of green.
A grid of days of the week and time. It's Mon-Fri and 1am to 4pm. Grid is colours in shades of green, getting much darker towards the later times.
Red sky sunset over a parking lot. There’s an animated cat bus which has been added.
A solar panel and instrument on a wooden stand in the foreground of a white observatory dome.
Cloudy skies above a meadow with purple and yellow wild flowers.