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2. Sun - Wikipedia

   en.wikipedia.org/wiki/Sun

   The Sun is 1.4 million kilometers (4.643 light-seconds) wide, about 109 times wider than Earth, or four times the Lunar distance, and contains 99.86% of all Solar System mass. The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [26]

3. Umbra, penumbra and antumbra - Wikipedia

   en.wikipedia.org/wiki/Umbra,_penumbra_and_antumbra

   Umbra, penumbra, and antumbra formed through windows and shutters. The umbra (Latin for "shadow") is the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body.

4. Solar transition region - Wikipedia

   en.wikipedia.org/wiki/Solar_transition_region

   Below, gravity tends to dominate the shape of most features, so that the Sun may often be described in terms of layers and horizontal features (like sunspots); above, dynamic forces dominate the shape of most features, so that the transition region itself is not a well-defined layer at a particular altitude.

5. 105 Fun Facts About Science, History, Celebrities, and More - AOL

   www.aol.com/heres-103-fun-facts-actually...

   Ace trivia night with these cool and random fun facts for adults and kids. This list of interesting facts is the perfect way to learn something new about life. 105 Fun Facts About Science, History ...

6. 70 interesting fun facts to keep in mind for your next trivia ...

   www.aol.com/news/70-interesting-fun-facts-keep...

   It takes sunlight eight minutes and 20 seconds to travel from the sun to earth. Beyoncé’s concert in Paris on May 26, 2023, had more sales from U.S. buyers on Stubhub than any other single ...

7. History-making probe achieves closest-ever approach to the sun

   www.aol.com/history-making-probe-closest-ever...

   The sun’s increasing activity became obvious this year during two major displays of auroras on Earth in May and October, when coronal mass ejections released by the sun were directed at our ...

8. Solar System - Wikipedia

   en.wikipedia.org/wiki/Solar_System

   Thus, the Sun occupies 0.00001% (1 part in 10 7) of the volume of a sphere with a radius the size of Earth's orbit, whereas Earth's volume is roughly 1 millionth (10 −6) that of the Sun. Jupiter, the largest planet, is 5.2 AU from the Sun and has a radius of 71,000 km (0.00047 AU; 44,000 mi), whereas the most distant planet, Neptune, is 30 AU ...

9. Aristarchus of Samos - Wikipedia

   en.wikipedia.org/wiki/Aristarchus_of_Samos

   Aristarchus of Samos (/ ˌ æ r ə ˈ s t ɑːr k ə s /; Ancient Greek: Ἀρίσταρχος ὁ Σάμιος, Aristarkhos ho Samios; c. 310 – c. 230 BC) was an ancient Greek astronomer and mathematician who presented the first known heliocentric model that placed the Sun at the center of the universe, with the Earth revolving around the Sun once a year and rotating about its axis once a day.