1,187 reputation
118
bio website
location Santa Ana, CA
age 54
visits member for 8 months
seen 4 hours ago

7h
reviewed Close Can Jupiter's bands be made out using a 15x70 pair of binoculars?
7h
reviewed Approve How are black holes found?
1d
reviewed Looks OK Does the Earth have another moon?
1d
comment Does the Earth have another moon?
@FredBarker I saw a reference some time ago that says that objects as small as a bolt (in orbit) show up on radar. The size threshold for low Earth orbit would be pretty small.
1d
answered Are the stars in constellation located in a plane or they are in different distances
1d
accepted Rate of star collpse
2d
reviewed Approve Does the Earth have another moon?
Dec
9
reviewed Close Lack of contact with Aliens
Dec
9
reviewed Approve Does near light-speed travel doppler-shift the light from the target into gamma rays?
Dec
9
reviewed Approve Why is there a black stripe in the Hubble images of Pluto?
Dec
7
revised Visibility of earth from moon during day-time of moon
edited body
Dec
7
reviewed Close Distance between Earth and where The Big Bang's happened?
Dec
6
comment Voyager spacecrafts
@PeterU Nothing, they are just floating in space, and have been floating since they passed the last planet they visited.
Dec
6
revised Voyager spacecrafts
Corrected spelling
Dec
3
reviewed No Action Needed How does the Earth move in the sky as seen from the Moon?
Dec
2
reviewed Close Determining Distances in Space
Dec
2
reviewed Close How can there be anything “beyond” the CMB?
Dec
2
reviewed Close Why does Earth enjoy a significantly longer time as a habitable planet as compared to Mars or Venus?
Dec
2
reviewed Approve Can the theory of multiuniverse explain dark matter?
Nov
27
reviewed Approve Is the moon moving further away from Earth and closer to the Sun? Why?