RocketSTEM Issue #11 - April 2015 | Page 93

Pinwheeling 48. arms of Messier 77 The Hubble Space Telescope has captured this vivid image of spiral galaxy Messier 77 — a galaxy in the constellation of Cetus, some 45 million light-years away from us. The streaks of red and blue in the image highlight pockets of star formation along the pinwheeling arms, with dark dust lanes stretching across the galaxy’s starry centre. The galaxy belongs to a class of galaxies known as Seyfert galaxies, which have highly ionised gas surrounding an intensely active centre. Credit: NASA, ESA & A. van der Hoeven “If you ask a random person to name a telescope, assuredly, the answer given is the Hubble Space Telescope. It’s no wonder why. No other telescope has captured the sheer beauty and scale of the cosmos like the HST. Including the Hubble Deep Field, or the Pillars of Creation, observers have used the HST to produce some of the most dramatic and iconic images of celestial targets ever taken. Those and many other famous images showcase the HST’s unprecedented clarity and sensitivity, unmatched even by the best of HST’s rivals. It is those qualities that make the HST one of the most important astronomical tools ever developed.” — Dr. Wesley Fraser Plaskett Fellow Herzberg Institute of Astrophysics Victoria, BC, Canada