Measuring the distance to truly remote objects like galaxies, quasars, and galaxy clusters is a crucial task in astrophysics, particularly when it comes to studying the early universe, but it's a difficult one to complete.
Astronomy
Jul 12, 2024
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53
Peering deeply into the cosmos, NASA's James Webb Space Telescope is giving scientists their first detailed glimpse of supernovae from a time when our universe was just a small fraction of its current age. A team using Webb ...
Astronomy
Jun 10, 2024
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248
Featured in this new image from the NASA/ESA Hubble Space Telescope is a nearly edge-on view of the lenticular galaxy NGC 4753. Lenticular galaxies have an elliptical shape and ill-defined spiral arms.
Astronomy
May 17, 2024
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67
The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for understanding the evolution and ultimate fate of the cosmos.
Astronomy
Mar 11, 2024
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Astronomers investigating one of the most pressing mysteries of the cosmos—the rate at which the universe is expanding—are readying themselves to study this puzzle in a new way using NASA's Nancy Grace Roman Space Telescope. ...
Astronomy
Feb 7, 2024
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Using various ground-based telescopes, astronomers have performed photometric and spectroscopic observations of a nearby Type Ia supernova known as SN 2020nlb. Results of the observations campaign, presented January 16 on ...
What is the universe made of? This question has driven astronomers for hundreds of years.
Astronomy
Jan 13, 2024
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Over ten years ago, the Dark Energy Survey (DES) began mapping the universe to find evidence that could help us understand the nature of the mysterious phenomenon known as dark energy. I'm one of more than 100 contributing ...
Astronomy
Jan 9, 2024
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NASA's Nancy Grace Roman Space Telescope will pair space-based observations with a broad field of view to unveil the dynamic cosmos in ways that have never been possible before.
Astronomy
Nov 15, 2023
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10
A study, released on the pre-print server arXiv, examines how the Earth was hit by blasts from supernovae (plural form of supernova (SN)) that occurred 3 million years ago (Mya) and 7 Mya with the goal of ascertaining the ...
Astronomy
Oct 2, 2023
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