Search found 3 matches
- Sat Jul 16, 2011 4:03 am
- Forum: Open Space: Discuss Anything
- Topic: Light and Gravitational Fields
- Replies: 8
- Views: 1213
Re: Light and Gravitational Fields
Now that is a very good question. though i am 14, maybe i can help you. Now, to have gravity, you first need a mass. Now photons, light particles, have a still mass of 0, then that does mean it would have a gravitational pull. hope it helps
- Sat Jul 16, 2011 3:59 am
- Forum: Open Space: Discuss Anything
- Topic: Andromeda-Red Shift
- Replies: 4
- Views: 654
Andromeda-Red Shift
Hi. I am 14, and i have a constant "thurst" for astronomy. MY first question would be... We know the andromeda galaxy has a red doppler shift, but do we know when/if it will ever collide with the milky way? i know its wayyyyyy beyond our lifetime, but i would like to know if it is possible
- Sat Jul 16, 2011 3:54 am
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Mystery Flash on Mauna Kea
- Replies: 126
- Views: 266999
Re: Mystery Flash on Mauna Kea
Though i am only 14, i feel that i can contribute reasonable information. My guess would be that it was a burst of natural gas being secreted from the volcano that got ignited by the magma's intense heat