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Tag: gravitational waves

The gravitational waves emitted by the merger of black holes, when lensed by massive objects as the waves travel toward Earth can be used to calculate the rate at which the universe is expanding Photo. Credit NASA's Goddard Space Flight Center/Scott Noble; simulation data, d'Ascoli et al. 2018
Posted inPress Release

A New Way Of Measuring Cosmic Expansion: Lensed Gravitational Waves

by SpaceRef EditorJuly 2, 2023July 15, 2024

The universe is expanding; we’ve had evidence of that for about a century. But just how quickly celestial objects are receding from each other is still up for debate.

This artist’s concept shows stars, black holes, and nebula laid over a grid representing the fabric of space-time. Ripples in this fabric are called gravitational waves. The NANOGrav collaboration detected evidence of gravitational waves created by black holes billions of times the mass of the Sun. Credit: NANOGrav collaboration; Aurore Simonet
Posted inPress Release

15 Years of Radio Data Reveals Evidence of Space-Time Murmur

by SpaceRef EditorJune 29, 2023July 15, 2024
As a jet escapes from a collapsed star, it punches into a cocoon of stellar debris. CREDIT Ore Gottlieb/CIERA/Northwestern University
Posted inPress Release

Dying stars’ Cocoons Could Be A New Source Of Gravitational Waves

by SpaceRef EditorJune 6, 2023July 15, 2024
Numerical simulation
Posted inPress Release

Ripples In The Fabric Of The Universe May Reveal The Start Of Time

by SpaceRef EditorFebruary 9, 2023July 15, 2024
A high-resolution image of Mars taken by China's Tianwen-1 spacecraft, showing a partially illuminated view of the planet’s northern hemisphere against the darkness of space. The reddish-brown Martian surface is visible with subtle atmospheric haze.
Posted inCivil, News

Venus orbiter, lunar constellation and exoplanets telescopes among candidates as China selects new space science missions

by Andrew JonesJuly 1, 2022February 22, 2023
Posted inPress Release

Finding GW170817 In The Sky

by SpaceRef EditorOctober 16, 2017July 15, 2024
LISA illustration
Posted inNews

Scientists optimistic about prospects for LISA gravitational wave mission

by Jeff FoustFebruary 7, 2017January 23, 2023
Posted inNews

Lisa Pathfinder’s success boosts likelihood of future gravity-wave observatory

by Peter B. de SeldingJune 7, 2016January 23, 2023

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