sunspot
17
5.6
- noun
- /ˈsʌnˌspɑt/
- Specialized
:
mancha solar
- New models for simulating sunspots are being worked on as you read this article.
- sunspot cycle
- sunspot maximum
- sunspot region
And then the next sunspot cycle will be much more perilous.
- And then the next sunspot cycle will be much more perilous.
- So, and of course, sunspots are measures of the activity of the sun.
- You can watch the sunspots move and if the star is rotating, then you get what's called a curb black hole.
Examples
-
Many observatories around the world, including the National Solar Observatory, monitor sunspots and their magnetic fields.
Academic text (1991) -
A large sunspot can often be seen on the surface of the sun during a telescope observation.
-
And the size of the sunspot is about the size of Earth.
-
We need more work on this matter and on the theoretical cause of the sunspot cycle.
Academic text (1991) -
If we have less sunspot activity, the world cools.
-
Each point on the graph corresponds to the position of a sunspot and the date it was observed.
Academic text (1992) -
Since there was auroral activity, there may have been sunspots after all.
Academic text (1991) -
As a solar cycle advances year by year, sunspots appear closer and closer to the equator.
Academic text (1991) -
Solar activity includes the appearance of sunspots and active regions, as well as the occurrence of solar flares.
Academic text (1990) -
NASA scientists study sunspots to understand their impact on solar flares and space weather.
Synonyms
A dark, cooler spot on the sun's surface with a strong magnetic field
Antonyms
How Bright
Surface Forms
Morphology
Etymology
The word sunspot is a simple combination of sun and spot, meaning a 'spot' or dark mark on the sun. That's why a sunspot is a darker, cooler area that appears on the sun's surface.