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The planet Mercury is named for the Roman equivalent of the Greek Hermes, messenger of the gods. Launched in 2004 and set to arrive in orbit around Mercury in 2011, NASA's Messenger probe honors the Olympian god and is the second mission to visit Mercury.
Published by Dr. David Warmflash 91 months ago in Astronomy | +1 votes | 0 comments
Mars is named for the Roman god of war. Mars came to be associated most notably with the Greek Aries, but then by extension also may have been seen as an incarnation of the Moabite god, Chemosh.
Published by Dr. David Warmflash 91 months ago in Astronomy | +1 votes | 1 comments
The definition of a planet has changed over the course of millennia, and during the last 100 years. In the 1820s, astronomers listed eleven planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, and Uranus (Neptune had not been discovered yet), plus Ceres, Vesta, Juno, and Pallas.
Published by Dr. David Warmflash 91 months ago in Astronomy | +5 votes | 0 comments
While high solar flare activity can expose a spacecraft outside of EarthÂ’s magnetic protection to potentially lethal doses of radiation, astronauts can be shielded against most of this fairly easily. Shielding against much of the GCR, on the other hand, is problematic. Scientists are developing anti-radiation cocktails, mixtures of various substances which can reduce the damage that high radiation doses cause in human cells.
Published by Dr. David Warmflash 91 months ago in Astronomy | +1 votes | 0 comments
The expansion of the Universe is defined by the famous Friedmann Equation. Introduced by Alexander Friedmann of Russia in 1922, the equation was corroborated in 1929 by Edwin HubbleÂ’s discoveries of distant galaxies and the red shifting of their spectra. It is Edwin Hubble for whom the Hubble Space Telescope is named. The space shuttle missions to repair the Hubble Space Telescope was considered more risky than most other space shuttle missions.
Published by Dr. David Warmflash 91 months ago in Astronomy | +2 votes | 0 comments
One of the most obvious examples of celestial navigation -navigation making use of the stars and constellations- is the use of Polaris to know which way is north. Although religions exaggerated the distinctions, essentially Phoenicia, Canaan, and Israel were a single people, with the Phoenicians representing the coastal, sea-going element.
Published by Dr. David Warmflash 91 months ago in Astronomy | +1 votes | 1 comments
Holidays that haveme amount of sunlight, while each solstice marks the time when Earth’s axis is most tilted with respect to the Sun. Today, we are ate, the Babylonian Ishtar, and the Roman Venus, all of whom were associated with Venus, the planet. Like all peoples of the Ancient Near East, the Israelites spent a great deal of time looking at the skies and watching the lights. Third in brightness after th Asherah was also a  Holidays that haveme amount of sunlight, while each solst...
Published by Dr. David Warmflash 92 months ago in Astronomy | +5 votes | 1 comments
The lunar cycle consists of phases as the appearance of the Moon from Earth changes. "Menstruation" and "Monday" are derived from the word for Moon.
Published by Dr. David Warmflash 92 months ago in Astronomy | +4 votes | 0 comments
Over the years, astrophysicists are only able to postulate what can be found inside the dark matter. For sure it can't be aliens right?
Published by Mark 94 months ago in Astronomy | +9 votes | 1 comments
Look for a new comet in June, Comet McNaught as it passes fairly close to the Sun.
Published by Daniel Snyder 96 months ago in Astronomy | +4 votes | 0 comments
Is there life on Europa?
Published by Johnny Dod 98 months ago in Astronomy | +11 votes | 11 comments
Upcoming events for astronomers including meteor showers, the Vernal equinox, and conjunctions.
Published by Daniel Snyder 100 months ago in Astronomy | +5 votes | 5 comments
Why the sky is blue. An introduction to the Rayleigh or Tyndall effect and our color spectrum.
Published by Tiana Miller 101 months ago in Astronomy | +0 votes | 0 comments
The belief in money has been falsely assigned a Universal condition. This generation is part of a whole Universal Plan to undo this miscarriage of Spiritual Justice.
Published by Cheril'Sword 105 months ago in Astronomy | +0 votes | 1 comments
Published by Rev. Christine Sandor (Copans) 116 months ago in Astronomy | +0 votes | 1 comments
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