Tag Archives: stars

Ancient Starlight

According to the New York Times, “Ancient starlight, emitted by the first stars in the universe, has been detected using the Fermi Gamma-ray Space Telescope. Marco Ajello, an astrophysicist at the University of California, Berkeley, and his colleagues report the finding in the current issue of the journal Science. Dr. Ajello conducted the research while [...]

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Messier 9

“The NASA/ESA Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. This ball of stars is too faint to see with the naked eye, yet Hubble can see over 250,000 [10+05] individual stars shining in it. Messier 9, [...]

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(Magnitude -)4.5 (for Venus)

Magnitude is a very important detail about meteors. From American Meteor Society:  “In meteor astronomy the magnitude of a meteor is compared to that of other stars in the sky. The magnitude scale is set up so that the brighter magnitudes are actually represented by smaller numbers.”  The sun has a magnitude of -26.7 while [...]

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8

8 planets in the solar system! The planets in order from biggest to smallest diameters are: 1) Jupiter 142,984 km 2) Saturn 120,536 km 3) Uranus 51,118 km 4) Neptune 49,528 km 5) Earth 12,756 km 6) Venus 12,100 km 7) Mars 6,794 km 8 ) Mercury 4,879 km “Our galaxy – the Milky Way [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1417 days ago