Monicks: Unleashed

Thinking Critically

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Astronomy Picture of the Day | A rose made of galaxies

Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)

This image of a pair of interacting galaxies called Arp 273 was released to celebrate the 21st anniversary of the launch of the NASA/ESA Hubble Space Telescope.

The distorted shape of the larger of the two galaxies shows signs of tidal interactions with the smaller of the two. It is thought that the smaller galaxy has actually passed through the larger one.

via spacetelescope.org
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Astronomy Picture of the Day – A Lunar Eclipse on Solstice Day

A Lunar Eclipse on Solstice Day
Credit & Copyright: Jerry Lodriguss
(Catching the Light)

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Astronomy Picture of the Day | Mirach’s Ghost


Mirach’s Ghost

Credit & Copyright: Anthony Ayiomamitis (TWAN)

Explanation: As far as ghosts go, Mirach’s Ghost isn’t really that scary. In fact, Mirach’s Ghost is just a faint, fuzzy galaxy, well known to astronomers, that happens to be seen nearly along the line-of-sight to Mirach, a bright star. Centered in this star field, Mirach is also called Beta Andromedae. About 200 light-years distant, Mirach is a red giant star, cooler than the Sun but much larger and so intrinsically much brighter than our parent star. In most telescopic views, glare and diffraction spikes tend to hide things that lie near Mirach and make the faint, fuzzy galaxy look like a ghostly internal reflection of the almost overwhelming starlight. Still, appearing in this sharp image just above and to the right of Mirach, Mirach’s Ghost is cataloged as galaxy NGC 404 and is estimated to be some 10 million light-years away.

Credit: Mac Hunter

Mirach’s ghost is, in itself, not a very interesting galaxy. A small plain looking E-S0 type galaxy. However, its postion about 7 arc minutes from the 2nd magnitude M0 star beta And – known as Mirach – makes it into an interesting photographic target.

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