News tagged with spitzer space telescope

Scientists improve brown dwarf weather forecasts

Dim objects called brown dwarfs, less massive than the sun but more massive than Jupiter, have powerful winds and clouds–specifically, hot patchy clouds made of iron droplets and silicate dust. Scientists recently realized ...

dateAug 18, 2017 in Astronomy
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TRAPPIST-1 is older than our solar system

If we want to know more about whether life could survive on a planet outside our solar system, it's important to know the age of its star. Young stars have frequent releases of high-energy radiation called flares that can ...

dateAug 14, 2017 in Astronomy
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Y-type stars

Brown dwarf stars are failed stars. Their masses are so small, less than about eighty Jupiter-masses, that they lack the ability to heat up their interiors to the roughly ten million kelvin temperatures required for normal ...

dateJul 11, 2017 in Astronomy
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The art of exoplanets

The moon hanging in the night sky sent Robert Hurt's mind into deep space—to a region some 40 light years away, in fact, where seven Earth-sized planets crowded close to a dim, red sun.

dateJun 08, 2017 in Astronomy
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Observatories combine to crack open the Crab Nebula

Astronomers have produced a highly detailed image of the Crab Nebula, by combining data from telescopes spanning nearly the entire breadth of the electromagnetic spectrum, from radio waves seen by the Karl G. Jansky Very ...

dateMay 10, 2017 in Astronomy
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'Iceball' planet discovered through microlensing

Scientists have discovered a new planet with the mass of Earth, orbiting its star at the same distance that we orbit our sun. The planet is likely far too cold to be habitable for life as we know it, however, because its ...

dateApr 26, 2017 in Astronomy
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Tracing aromatic molecules in the early universe

A molecule found in car engine exhaust fumes that is thought to have contributed to the origin of life on Earth has made astronomers heavily underestimate the amount of stars that were forming in the early Universe, a University ...

dateMar 22, 2017 in Astronomy
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