Theo Pap

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Spacewatch: Swarm to study Earth's magnetism

The European Space Agency's GOCE gravity-mapping spacecraft finally fell from orbit very early on Tuesday morning GMT. As it disintegrated on re-entry into the atmosphere, its fireball was caught on camera from the Falklands Islands and any surviving debris probably fell harmlessly into the …

Sky

Flowers Made From Code And Other Amazing Images From This Week

APOD: NGC 3370: A Sharper View (2013 Aug 08) Image Credit: NASA, ESA, Hubble Heritage (STScI/AURA); Acknowledgement: A. Reiss et al. (JHU/STScI) http://apod.nasa.gov/apod/ap130808.html Explanation: Similar in size and grand design to our own Milky Way, spiral galaxy NGC 3370 lies about 100 million light-years away toward the constellation Leo. Recorded here in exquisite detail by the Hubble Space Telescope's Advanced Camera for Surveys, the big, beautiful face-on spiral does steal the show, but the sharp image also reveals an impressive array of background galaxies in the field, strewn across the more distant Universe. Looking within NGC 3370, the image data has proved sharp enough to study individual pulsating stars known as Cepheids that can be used to accurately determine this galaxy's distance. NGC 3370 was chosen for this study because in 1994 the spiral galaxy was also home to a well studied stellar explosion -- a type Ia supernova. Combining the known distance to this standard candle supernova, based on the Cepheid measurements, with observations of supernovae at even greater distances, can reveal the size and expansion rate of the Universe itself. http://heritage.stsci.edu/2003/24/ http://hubblesite.org/news/2003/24 Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=130808 #APOD

Cassiopeia points to Andromeda galaxy

Tonight, if you have dark sky, try star-hopping to the Andromeda galaxy from the constellation Cassiopeia the Queen. If your sky is truly dark, you …

Andromeda Galaxy

The fury of our sun captured in never-before-seen detail

Normally it's harmful to stare at the sun, but for researchers at the NJIT’s Big Bear Solar Observatory, that's their job. Stripping away the danger with its New Solar Telescope (NST), the team used its newly-equipped spectrometer to help capture the clearest images of the sun's atmosphere to date, …

Grinding 20-Ton Mirrors For The Giant Magellan Telescope

One of the largest telescopes ever made will reveal previously unobservable facets of our universe's past.<p>The Giant Magellan Telescope (GMT) will be one of the largest telescopes ever made, and will allow scientists to observe distant realms in unprecedented detail. It will display the far reaches …

If we landed on Jupiter’s moon Europa, what would we want to know?

So far, scientists have seen a fractured, ice-covered world with tantalizing signs of a liquid water ocean – a possible home for microbial life – …

Midnight meteor over Boston

EarthSky Facebook friend Ed Grzyb captured this Perseid meteor flying high over Boston shortly before midnight on August 7, 2013.<p>Although the 2013 …

Hubble Space Telescope solves a 40-year mystery

What is the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around our Milky Way galaxy? Now we know.<p>Astronomers …

NASA: Sun Getting Ready For A 'Field Flip'

Our nearest star is about to pull a once-in-11-years move by swapping its north and south magnetic poles.<p>The sun's polarity switch is a natural part of "solar max" — the period of peak activity during what averages out to be roughly an 11-year cycle. According to NASA, this year will mark the …

WIRED Space Photo of the Day 2013

PhysicsWhy Do You Feel Lighter at the Top of a Ferris Wheel?<p>Author: Rhett AllainRhett Allain<p>EcologyHow Plastic Straws Slip Through the Cracks of …

U.S. 'Space Fence' Will Cease To Operate, Site Says

A U.S. radar system that tracks thousands of objects orbiting Earth — from satellites to harmful debris — has been slated for shutdown, according to the Space News site. The ground-based network known as the "Space Fence" may cease to operate in October.<p>"This is your notice to begin preparing the …

ScienceCasts: The Strange Attraction of Hot Jupiters

Perseid meteor shower 2013: how to get the best view

One of the year's best astronomical events will light up the sky for the next five nights. Best of all, it's really easy to observe. You don't need telescopes or cameras, just a deckchair, blankets and a hot thermos to keep you company.<p>Wait until late at night. If the sky is clear, find the darkest …

Opportunity to see Venus in daytime on October 7 and 8

October 7 and 8, 2013 present two chances for seeing Venus in daylight, because the moon appears near this planet.<p>Have you ever seen the moon in a …

Gases left by Perseid meteors a boon to these astronomers

Enjoy this year’s Perseid meteor shower which peaks on the night of August 11-12; astronomers say they will, too!<p>The annual Perseid meteor shower is …

Gemini’s much-anticipated infrared instrument goes on-sky

Gemini Observatory’s latest instrument, a powerful infrared camera and spectrograph at Gemini South, reveals its potential in a series of striking …

Einstein at the space station, a sleeping black hole and sledging on Mars – in pictures

Astronomy,Space,Hubble space telescope,James Webb space telescope,Nasa,European Space Agency,Science<p>This month's pick of the best space-related imagery includes the arrival of Albert Einstein at the International Space Station, a black hole that has dozed off after running out of things to eat, and …

Ozone hole could boost global warming : News blog

Breaking news from the world of science

Perseid Meteor Shower to Flare This Weekend

The sky will light up this weekend with bright and numerous fireballs as the Perseid meteor shower peaks the nights of Aug. 11-12 and 12-13.<p>The …