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![]() ![]() ![]() Scientists Have Proved What Causes The Northern Lights : NPR - The FactsAre there other types of auroras? On Earth, the northern lights' counterpart in the Southern Hemisphere is the southern lights they are physically the very same and vary just in their area. As such, scientists expect them to take place all at once during a solar storm, however in some cases the beginning of one lags behind the other."Among the more difficult aspects of nightside aurorae includes the contrast of the aurora borealis with the aurora australis," said Steven Petrinec, a physicist at Lockheed Martin who concentrates on magnetospheric and heliospheric physics. Another aurora-like event in the world is STEVE (Strong Thermal Emission Speed Improvement). Like the northern and southern lights, STEVE is a radiant climatic phenomenon, however it looks somewhat different from its undulating auroral equivalents. "These emissions appear as a narrow and unique arc, are generally purple in color and often consist of a green picket-fence structure that slowly moves westward," Petrinec informed Space. ![]() STEVE is likewise visible from lower latitudes, closer to the equator, than the auroras. A 2019 study published in the journal Geophysical Research Letters discovered that STEVE is the result of 2 mechanisms: The mauve streaks are brought on by the heating of charged particles in the upper atmosphere, while the picket-fence structure arises from electrons falling under the atmosphere. Rumored Buzz on Northern Lights: 7 Best Places to See the Aurora BorealisAuroras take place on other planets, too all that's required to make an aurora is an environment and a magnetic field. "Auroras have been seen in the atmospheres of all the gas giant worlds, which is not surprising, since these worlds all have robust magnetic fields," stated Jeff Regester, an instructor of physics and astronomy at Peak University in North Carolina. Luckily, they take place frequently. "The northern lights are taking place 24 hours a day, seven days a week, 365 days a year," stated professional photographer Chad Blakely, owner of northern lights trip company Lights Over Lapland. However This Is Cool doesn't mean they're easy to area; you require to be at the best location at the correct time. |
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