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Milky Way. Night sky and silhouette of a standing man

Questions I dread: How did the universe begin, and what is space-time?

24 May 2023

As a theoretical cosmologist, you would think I'd welcome the chance to answer these questions - but it isn't clear this is an inquiry that physics can answer, says Chanda Prescod-Weinstein


2H8TP9E JODIE FOSTER in CONTACT (1997), directed by ROBERT ZEMECKIS. Credit: WARNER BROTHERS / Album

Why space scientists need science fiction

29 March 2023

Carl Sagan's novel Contact, in which Ellie Arroway searches for alien intelligence, has been an inspiration and a guide, says Chanda Prescod-Weinstein


Fully deployed Webb telescope. Artist concept. The James Webb Space Telescope.

The extraordinary JWST is named for James Webb, whose legacy I deplore

26 October 2022

James Webb's legacy was to stand for a status quo where queer Black people like me could never have a home in the NASA community. Naming the incredible new telescope after him has come to represent the contradictions of my job, says Chanda Prescod-Weinsten


Clock in the starry cosmic sky. Leaving time. Time and space. Time concept. Abstraction.; Shutterstock ID 1962091081; purchase_order: -; job: -; client: -; other: -

The cosmos doesn't work to my research schedule – but that's OK

28 September 2022

I work on the dark matter problem knowing the questions I have may be answered long after I die. This is the life I signed up for: to think about interesting ideas and hopefully find out whether any of them are correct, says Chanda Prescod-Weinstein


Across the universe. Traveling in space. Time travel. Elements of this image furnished by NASA.; Shutterstock ID 200832383; purchase_order: -; job: -; client: -; other: -

Why general relativity is known as a background independent theory

3 August 2022

Space-time isn't expanding into anything because general relativity is what we call a background independent theory. Chanda Prescod-Weinstein sets out to explain what this means


Why I'm choosing dark matter over dark energy - for now at least

Why I'm choosing dark matter over dark energy - for now at least

13 April 2022

Dark matter is my focus these days, but the intractable problems of dark energy and cosmic acceleration are still on my mind, says Chanda Prescod-Weinstein


Piggy Bank,3d Render

We mustn’t let the billionaire rocket men decide what happens in space

16 March 2022

Right now, very few of us have a say in how humans get to space or what we do there. That has to change, says Chanda Prescod-Weinstein


GOES-T

Let’s hear it for the space Cinderellas – Earth-observing satellites

16 February 2022

We celebrate probes that look out at the universe, but rarely give a thought to the army of craft that peer down at our planet and make our lives better, says Chanda Prescod-Weinstein


My encounter with a different and deeply mysterious kind of corona

My encounter with a different and deeply mysterious kind of corona

15 December 2021

While teaching solar physics this year, I was once again drawn in by the mystery of why the sun's corona is so inexplicably hot, says Chanda Prescod-Weinstein


Sterile neutrinos could explain dark matter – if we can find them

Sterile neutrinos could explain dark matter – if we can find them

10 November 2021

There are good reasons to think that neutrinos have a shy cousin that could explain dark matter, but searches have so far come up empty, writes Chanda Prescod-Weinstein


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