<p style="text-align:center" class="small"></p> <p>The Herschel observatory, a European space telescope for which NASA helped build instruments and process data, has stopped making observations after running out of liquid coolant as expected.</p> <p>The
<p>The human eye is crucial to astronomy. Without the ability to see, the luminous universe of stars, planets and galaxies would be closed to us, unknown forever. Nevertheless, astronomers cannot
<p>Note to sky watchers: Put on your winter coats. What you’re about to read might make you feel an uncontrollable urge to dash outside.</p> <p>The brightest planets in the solar system
<p style="text-align:left;"><strong>November 2007 – The Grand Collision:</strong> Sir Patrick Moore looks ahead 2 billion years when the Milky Way will collide with Andromeda, destroying stars and planets but also creating
<table align="right" width="360"> <tr> <td width="8"></td> <td align="center"> <p class="small"><br /> This Hubble Space Telescope composite image shows a ghostly ‘ring’ of dark matter in the galaxy cluster Cl 0024+17. The ring-like structure is evident