Sentences with phrase «test for astronomers»

This provides an independent test for astronomers» usual methods of estimating distant galaxy masses — which rely on extrapolation from their nearby cousins.

The verification tests for the Astronomer's Proposal Tool (APT) Exposure Time Calculator (ETC) for the Advanced Camera for Surveys (ACS) are presented.

Not exact matches

Because they grew up in relative isolation, the lonely galaxies within voids are a perfect test case for astronomers curious about how galaxies change over time, and what the earliest, primordial galaxies were like.

Luckily for Einstein, British astronomer Arthur Stanley Eddington believed there was a way to test the general theory.

It took three years for astronomers to test this theory by measuring, during an eclipse, how the sun shifted light from a star.

When SMART - 1, the European Space Agency's first mission to the moon, launched in September 2003, astronomers hailed it as the testing ground for a revolutionary and efficient solar - electric - propulsion technology.

Astronomers tested for changes in the gravitational constant using 21 years of data from a pulsar (the ultradense remnant core of a dead star that spins like a crazed lighthouse, sending astronomers bursts of light a thousand times pAstronomers tested for changes in the gravitational constant using 21 years of data from a pulsar (the ultradense remnant core of a dead star that spins like a crazed lighthouse, sending astronomers bursts of light a thousand times pastronomers bursts of light a thousand times per second).

Fortunately for astronomers, their usual methods pass the test.

An expedition of German astronomers set off for the Crimea to test his prediction.

The day of NASA's announcement, Thursday 23 April, was an especially testing one for many astronomers because they had to respond off the cuff to questions from journalists, without knowing the details of the COBE findings.

Astronomers have the «all - clear» for an exciting test of Einstein's Theory of General Relativity, thanks to a new discovery about S0 - 2's star status.

«Astronomers discover S0 - 2 star is single and ready for big Einstein test: No companion found for famous young bright star orbiting Milky Way's supermassive black hole.»

The detection of Refsdal's reappearance served as a unique opportunity for astronomers to test their models of how mass — especially that of mysterious dark matter — is distributed within this galaxy cluster.

By measuring the CMB polarization data provided by POLARBEAR, a collaboration of astronomers working on a telescope in the high - altitude desert of northern Chile designed specifically to detect «B - mode» polarization, the UC San Diego astrophysicists discovered weak gravitational lensing in their data that, they conclude, permit astronomers to make detailed maps of the structure of the universe, constrain estimates of neutrino mass and provide a firm test for general relativity.

As such, astronomers generate model universes, where galaxies are simulated, which may act as a test bed for the assessment of theories.

It will help astronomers test their theories for how stars end their lives and how the heavier elements forged within these dying stars are recycled into the galactic environment to help create the next generation of stars.

The detection of this fifth appearance of the Refsdal supernova served as a unique opportunity for astronomers to test their models of how mass — especially that of mysterious dark matter — is distributed within this galaxy cluster, and they seem to be right on track.

I have a story in the Sunday Week in Review section on the astronomers and activists seeking to get more sustained investment not only in looking for asteroids and comets that could someday slam into Earth, but also seriously pursuing and testing ways to nudge them off a collision course.