News tagged with comet

Related topics:

In search of time travelers

(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 ...

Jan 06, 2014
2.5 / 5 (11) 4

What happened to comet ISON?

Astronomers have long known that some comets like it hot. Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders ...

Dec 05, 2013
4 / 5 (5) 0

NASA investigating the life of Comet ISON

After several days of continued observations, scientists continue to work to determine and to understand the fate of Comet ISON: There's no doubt that the comet shrank in size considerably as it rounded the ...

Dec 02, 2013
4.6 / 5 (8) 0

SOHO shows new images of Comet ISON

As Comet ISON heads toward its closest approach to the sun—known as perihelion—on Nov. 28, 2013, scientists have been watching through many observatories to see if the comet has already broken up under ...

Nov 27, 2013
5 / 5 (9) 5

Comet ISON vs. the solar storm

In 2007, astronomers were amazed when a solar storm hit Comet Encke. NASA STEREO spacecraft watched as a CME (coronal mass ejection) struck the comet head on and ripped off its tail.

Nov 25, 2013
4.9 / 5 (9) 2

Kamikaze comet loses its head

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 ...

Mar 03, 2015
5 / 5 (5) 0