NEVER look at the Sun, especially through a telescope. Even looking for prolonged periods with the naked eye can be dangerous. BLINDESSS CAN (and often does) RESULT. There are special techniques used by astronomers to observe the Sun - consult reliable books on the subject.
The Sun does not have a 'surface' as such, but the disc we see in the sky - what is commonly referred to as its 'surface' is in fact its photosphere. Dark spots, known as sunspots, can sometimes be seen on the photosphere. Although these are hot - they are cooler than the surrounding area and thus appear dark. This group of sunspots, photographed in September 2003 is called sunspot 464, is about as wide as fifteen planet Earths lined up in a row.
Alphastro aims to present an up-to-date view of
the Universe using specially written web pages and links to other Internet
sites that are regularly updated. In addition to providing the latest facts,
Alphastro is building up a search tool of Internet resources about astronomy
and spaceflight.
General Summary
of news about astronomy and spaceflight plus miscellaneous items.
The Alphastro Guide To Deep
Space The latest information on all bodies outside the Solar System
with associated internet links and books for sale.
The Alphastro Launch Log
A manifest of every launch and current status of all artificial satellites
and manned spaceflight with associated internet links and books for sale.
The Alphastro Bookshop Buy
the latest books on astronomy, space research and associated subjects.
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