Basic astronomy and night sky information
The progress of science sometimes comes down to an unlikely partnership, a combination of the right people studying the right problem at the right time. In the pantheon of unlikely partners, few can top the team of Johannes Kepler and Tycho Brahe, two men of polar-opposite personalities who finally cracked the secret of the motion of the planets. Here is their story [Read more…] about Johannes Kepler: Mathematician, Mystic… Murderer?
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The usually reliable Eta Aquarid meteor shower runs from April 21 – May 20, 2016, with many meteors still visible for several days on either side of the peak on May 5-6, 2016. This is perhaps the best meteor shower of the year for southern hemisphere stargazers [Read more…] about Eta Aquarid Meteor Shower – 2016
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The planet Mercury will appear to pass across the face of the Sun on Monday, May 9, 2016. This event, known as a transit, will be visible in a small telescope with a proper solar filter from much of North and South America, Africa, and western Europe. It’s a great opportunity to see the mechanics of the solar system in action and to spot the elusive inner planet as it passes across the blazing solar disk [Read more…] about A Guide to the Transit of Mercury on May 9, 2016
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The constellation Leo is stuffed with galaxies that are visible in a backyard telescope. Three of the brightest and best known are M65, M66, and NGC 3628, also known as the “Leo Triplet”. You can see all three galaxies in virtually any telescope and even in a good pair of binoculars. If you can see all three galaxies at once, keep in mind you’re seeing at one time the collected light of more than half a trillion stars [Read more…] about Galaxy Tour: The Leo Triplet
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In a development that has shocked astrophysicists around the world, the Sun has unexpectedly run out of hydrogen fuel in its core. As gravity squeezed the collapsing core, the dense plasma increased in temperature and ignited helium burning, causing the outer layers to swell into a red giant. Reports suggest the two inner planets, Mercury and Venus, have been swallowed by the expanding star. On Earth, students in the northern hemisphere have been released from school to start summer break early. While astronomers are perplexed, health professionals strongly recommend a thick layer of sunscreen for anyone venturing outside, at least until someone can figure out how to restock the supply of hydrogen gas in the Sun’s core.
In a media report, Professor Cedric Doppleganger, of the California Institute of Astrophysics, said that although the Sun’s sudden expansion violates all known laws of physics, that researchers are undeterred. “It just goes to show that the science of solar physics isn’t so settled after all.”
(On April 2nd and beyond, the above image will be of the setting of a calm main sequence G-type star on a windy evening at Santa Monica Beach, California.)
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