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Hubble Telescope Directly Measures a White Dwarf Mass for the First Time

The white dwarf is the dead core of a star that burned out a billion years ago.

United statesUnited kingdomJ depasquale stscPeter mcgillK sahu stscKailash sahuUniversity of cambridgeMonthly notices of the royal astronomical societyEuropean space agencySafe haven healthSanta cruzHubble space telescopeMonthly noticesRoyal astronomicalWebb space telescopeWhite dwarf

What is gravitational lensing -- astronomers

What is gravitational lensing -- astronomers
zmescience.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from zmescience.com Daily Mail and Mail on Sunday newspapers.

Andrew crommelinEdwin cottinghamK sahu stscArthur eddingtonCharles davidsonAlbert einsteinGrzegorz pietrzyFrank watson dysonEuropean space agency hubble einsteinH ford johns hopkins universityRoyal astronomical societyGeneral relativitySpace telescopeEuropean spaceSouthern hemisphereSir frank watson dyson

What is gravitational lensing -- and how it helped prove Einstein right

What is gravitational lensing -- and how it helped prove Einstein right
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Exoplanets in the Shadows

Exoplanets in the Shadows
eos.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eos.org Daily Mail and Mail on Sunday newspapers.

New yorkUnited statesColumbia universityK sahu stscLaura mayorgaErica behrensEdward schmidtGirish duvvuriBrian metzgerJohns hopkins university applied physics laboratoryInternational astronomical unionUniversity of nebraskaNew york timesSeth redfield at wesleyan universityNational radio astronomy observatoryLouisiana state university

What is an exoplanet?

What is an exoplanet? April 22, 2021 at 12:07 pm Exoplanets are planets orbiting distant stars beyond our Solar System, and today astronomers calculate that for every star we can see in the night sky, there is on average at least one exoplanet in orbit around it. Advertisement The concept of exoplanets is hardly new: as far back as 1584, Italian philosopher Giordano Bruno suggested space was filled by “an infinity of worlds of the same kind as our own”. An illustration depicting the variety of exoplanets discovered so far. Credit: NASA/JPL-Caltech/Lizbeth B. De La Torre Over the past century, numerous authors, TV directors and film producers set their stories on planets beyond our own Solar System.

United statesUnited kingdomJodrell bankBorough of cheshire eastBeth billerK sahu stscAleksander wolszczanPaul cockburnAmes jpl caltecht pyleLivia pietrowDale frailAmes jpl caltechGiordano brunoIain toddDidier quelozProxima centauri