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1 giorno fa · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
4 giorni fa · star, any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. Of the tens of billions of trillions of stars composing the observable universe, only a very small percentage are visible to the naked eye. Many stars occur in pairs, multiple systems, or star clusters.
1 giorno fa · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic yarn. It lies some 70 million light-years away, south of bright star Regulus toward ...
19 ore fa · Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi ). [1] The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars.
1 giorno fa · NASA Television is our official free-to-air broadcast network for live events and original content, including launches, spacewalks, mission events, the latest news briefings, and videos showcasing our missions.
20 ore fa · Science May 23, 2024 6:42 PM EDT. CAPE CANAVERAL, Fla. (AP) — A massive cradle of baby stars has been observed in new detail by a European space telescope, adding to its celestial collection of ...
1 giorno fa · An online sky map to identify constellations and major stars and planets easy to see with the naked eye.
