Sentences with phrase «observed changes in brightness»

The Hubble Space Telescope directly observed changes in brightness of the «super-Jupiter» orbiting a brown dwarf, the results of which were published Thursday.

The observed change in brightness would be smeared out over a time interval equal to the time it would take the light from the far side of the object to travel to the near side of the object.

As the planet spins, Hubble was able to observe changes in brightness caused by clouds within its atmosphere.

Not exact matches

Etienne Artigau of the Gemini South Observatory in Chile and colleagues observed the brown dwarf SIMP0136 every night for five days and found variations in brightness each time they looked, as if light and dark areas were moving or changing shape.

The Great Red Spot has been present in Jupiter for hundreds of years and changes very slowly: Such «spots» could not explain the rapid changes in brightness that scientists saw while observing these brown dwarfs.

Using Spitzer, scientists monitored brightness changes in six brown dwarfs over more than a year, observing each of them rotate 32 times.

«We discovered brightness changes in X-rays that occurred about a month after similar changes were observed in visible and UV light,» said Dheeraj Pasham, an astrophysicist at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts, and the lead researcher of the study.

«We discovered brightness changes in X-rays that occurred about a month after similar changes were observed in visible and UV light,» study lead author Dheeraj Pasham, an astrophysicist at the Massachusetts Institute of Technology, said in a NASA statement.

Other quotes from your article: «He says that the increased solar brightness over the past 20 years has not been enough to cause the observed climate changes» «While the established view remains that the sun can not be responsible for all the climate changes we have seen in the past 50 years or so, this study is certainly significant,» «He added, however, that the study also showed that over the past 20 years the number of sunspots had remained roughly constant, while the Earth's temperature had continued to increase.»