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if-galaxies-are-moving-farther-apart-why-are-there-still-galactic-collisions https://www.astronomy.com/tags/magazine/page/253/ Magazine | Page 253 of 283 | Astronomy.com https://www.astronomy.com/uploads/2021/09/ngc_2207_ic_2163_01_750.jpg InStock USD 1.00 1.00 science article ASY 2023-05-18 2006-03-01 39932
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Magazine

Science

If galaxies are moving farther apart, why are there still galactic collisions?

Observing

Glenn Chaple’s observing basics: Lunar spectacular

Science

Almost all “Reader gallery” pictures seem to be four or more long exposures. Are these pictures combined, and if so, how?

Observing

Phil Harrington’s binocular universe: Visit the Charioteer

Science

How can the Hubble Space Telescope (HST) take pictures of objects light-years away but not get a good picture of Pluto?

Stars

X-treme stars you can see

Science

The North Star Club

Science

April 2006 book reviews

Observing

Phil Harrington’s binocular universe (April 2006 online extra)

Science

April 2006 resources

Observing, The Moon

Sketching your lunar observations

Stars

Problems posed by massive stars

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