Growing up in the California desert, Qicheng Zhang developed an early appreciation for stars and the universal expanse beyond the sky. But his biggest space curiosity by far was with comets, those celestial bodies of ice, ...
Space Exploration
Nov 17, 2016
0
34
For millennia, people on Earth have watched comets in the sky. Many ancient cultures saw comets as the harbingers of doom, but today scientists know that comets are really frozen balls of dust, gas, and rock and may have ...
Space Exploration
Apr 19, 2016
9
44
Like coins, most comet have both heads and tails. Occasionally, during a close passage of the Sun, a comet's head will be greatly diminished yet still retain a classic cometary outline. Rarely are we left with nothing but ...
Space Exploration
Mar 3, 2015
0
27
A newly-discovered comet may soon become bright enough to see from a sky near you. Originally dubbed SOHO-2875, it was spotted in photos taken by the Solar and Heliospheric Observatory (SOHO) earlier this week. Astronomer ...
Space Exploration
Feb 25, 2015
2
45
Some had hoped comet ISON would be the comet of the century, lighting Earth's skies during the latter months of 2013. Instead, it was barely visible for ground-based observers, but the Solar and Heliospheric Observatory (SOHO) ...
Space Exploration
Dec 1, 2014
1
0
It's confirmed! Australian amateur astronomer Terry Lovejoy just discovered his fifth comet, C/2014 Q2 (Lovejoy). He found it August 17th using a Celestron C8 fitted with a CCD camera at his roll-off roof observatory in Brisbane, ...
Space Exploration
Aug 20, 2014
0
0
(Phys.org) —A new analysis of data from the ESA/NASA Solar and Heliospheric Observatory (SOHO) spacecraft has revealed that comet 2012/S1 (ISON) stopped producing dust and gas shortly before it raced past the Sun and disintegrated.
Space Exploration
Jul 16, 2014
1
0
A team of astronomers, led by Ph.D. candidate Yoshiharu Shinnaka and Professor Hideyo Kawakita, both from Kyoto Sangyo University, successfully observed the Comet ISON during its bright outburst in the middle of November ...
Space Exploration
Feb 20, 2014
1
0
Hey, remember Comet C/2012 S1 ISON? Who can forget the roller-coaster ride that the touted "Comet of the Century" took us on last year. Well, ISON could have one more trick up its cosmic sleeve –although it's a big maybe—in ...
Space Exploration
Jan 15, 2014
0
0
(Phys.org) —It started over a poker game. Astrophysicist Robert Nemiroff and his students were playing cards (for chips) last summer, chatting about Facebook. They wondered: If there were time travelers among us, would ...
Computer Sciences
Jan 6, 2014
4
0
