It is an unknown form of energy that fills up space, and yet has never been directly observed.ĭark matter alone is though to make up around 27 percent of the universe, while normal matter, the stuff that we are able to observe, is believed to only be about five percent. How will the Roman Space Telescope investigate dark matter?Īside from finding exoplanets, the Roman Space Telescope will also study one of the biggest mysteries of the universe: Dark matter and dark energy.ĭark matter and dark energy are believed to make up the bulk of the universe, and may be responsible for the universe's expansion. If that star has an exoplanet orbiting around it, the planet's gravitational field will also have the same effect, making it even brighter. When a star passes in front of another star, it will bend the star's light, making it bright like a lens. The gravitational fields of large objects such as stars will actually bend and magnify the light coming from an object behind them, which produces a halo in space. Roman will search for exoplanets using a technique known as microlensing. Here's a video explaining how our view on the cosmos will change: That means that Roman will be able to capture an area of the sky that's 100 times larger than the images captured by Hubble, albeit with the same sharpness.
The telescope's camera is just as sensitive as the one on the Hubble Space Telescope, but with a much larger field of view. The Roman Space Telescope, on the other hand, will search for Earth-like, smaller, rocky planets which orbit around bright stars in the hopes of finding a habitable world similar to ours. But they were mostly large planets, orbiting around dim stars. Previous missions such as NASA's Kepler and Transiting Exoplanet Survey Satellite have found more than 4,000 exoplanets. It will survey 100 million stars and aims to discover 2,500 new exoplanets. The Nancy Grace Roman Space Telescope is a continuation of the work of the Hubble Space Telescope. What is the Nancy Grace Roman Space Telescope? NASA's Nancy Grace Roman Space Telescope will succeed the Hubble in terms of the sheer size of its lens on the universe - offering a panoramic field view 100 times larger than that of the Hubble. Nancy Grace Roman (1925-2018), NASA's first chief astronomer, is known as the 'Mother of Hubble.' NASAīut this new telescope will have another, equally crucial, mission to accomplish, too: It will be the most advanced effort yet in trying to find worlds that resemble the planets in our Solar System, as well as unravel the mystery behind dark energy.
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