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Author: Astronomy Staff

Stars

How massive are globular clusters’ stars? They’re old, so they can’t be too big, right?

Solar System

How can six Trojan asteroids reside in Neptune’s L4 region without colliding?

Stars

I have always heard that everything we see is “star stuff” from previous stars that died after converting their hydrogen into heavier elements. So how is there any hydrogen left for the Sun and planets?

Milky Way

How old is the Milky Way, and has it merged with other galaxies along the way?

Telescopes and Equipment

Knightware Deep-Sky Planner 6 software

Telescopes and Equipment

Terminal Eleven SkyView app

Human Spaceflight, Telescopes and Equipment

Orion Atlas Pro AZ/EQ-G Computerized GoTo Telescope Mount

Telescopes and Equipment

Meade Series 5000 Xtreme Wide Angle 14mm 100° Eyepiece

Human Spaceflight, Telescopes and Equipment

Orion StarSeeker II 130mm GoTo Reflector Telescope

Telescopes and Equipment

Olivon 3X Deluxe 8–24mm Ultra Wide Angle Zoom Eyepiece

Science

The Week in Pictures: March 16–22, 2013

Science

The Week in Pictures: March 9–15, 2013

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