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Sunspot - Wikipedia
Sunspot number also changes over long periods. For example, from 1900 to the 1960s, the solar maxima trend of sunspot count was upwards; for the following decades it diminished. However, the Sun was last as active as this period over 8,000 years ago.
Top 10 Extreme Planet Facts - Space.com
Our solar system's planets vary greatly in size, composition, temperature, chemistry and geology. Here are some notable extreme facts about the planets that orbit our Sun.
Star - Life Cycle & Special Characteristics of the Stars ...
A star is a large mass of plasma matter held together by gravitational forces. Near the end of its life a star can also have a significant portion of degenerate matter. Sun is the star nearest Earth. At night other stars become visible when not obscured by the Sun’s light or atmospheric interference. In the […]
Kapteyn b: Habitable-zone Exoplanet or Illusion?
Recent research casts doubt on whether nearby Kapteyn b, a supposed super-Earth circling in its star’s habitable zone, is a planet at all. If the nearby exoplanet Kapteyn b exists, it would be ...
Planet Hunters
The Zooniverse is a collection of web-based citizen science projects that use the efforts of volunteers to help researchers deal with the flood of data that confronts them.
Star - Wikipedia
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.The nearest star to Earth is the Sun.Many other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance from Earth.
Goodbye Kepler, hello TESS: Passing the baton in exoplanet ...
When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.
Sun Has Likely Entered New Evolutionary Phase ... - Forbes
Opinions expressed by Forbes Contributors are their own. I cover over-the-horizon technology, aerospace and astronomy. The Sun has likely already entered into a new unpredicted long-term phase of ...
Cosmic ray | physics | Britannica.com
Cosmic ray: Cosmic ray, a high-speed particle—either an atomic nucleus or an electron—that travels through space. Most of these particles come from sources within the Milky Way Galaxy and are known as galactic cosmic rays (GCRs). The rest of the cosmic rays originate either from the Sun or, almost certainly in
Vulpecula Constellation: Facts, Stars, Location, Deep Sky ...
Vulpecula constellation guide: facts, brightest stars, star map, deep sky objects, Brocchi's Cluster, Dumbbell Nebula (Messier 27), pictures and other information.