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May
7
answered Why planet's orbit is not perpendicular or random ?
May
5
awarded  Custodian
May
5
reviewed Reject suggested edit on Does science need support from religion or philosophy to explain the creation?
May
5
comment Cooling of stars
If you have a new question, please ask it by clicking the Ask Question button. Include a link to this question if it helps provide context.
May
5
reviewed Reviewed Can impact craters on the moon act like giant radio telescopes?
May
5
awarded  Custodian
May
5
reviewed Reviewed What would happen if an ice cube is left in space?
May
5
reviewed Close Build a high quality telescope from scratch
May
5
reviewed Close Hamiltonian of general three body problem
Apr
30
comment Why is Mars' atmosphere so thin?
I would add: most of Mars oxygen were captured by iron-bearing rocks which get oxydized. This is why it is orange-red.
Apr
25
comment Does the Sun have hard radiation?
There are no chemical reactions on Auroras. They are on the order of particle physics, not chemistry. Edited.
Apr
25
revised Does the Sun have hard radiation?
There are no chemical reactions on Auroras. They are on the order of particle physics, not chemistry.
Apr
24
answered Relation between position of stars and locations of gemstones?
Apr
24
reviewed Approve suggested edit on Why is the solar system often shown as a 2D plane?
Apr
24
reviewed Reject suggested edit on Did big bang happen only one time or it might happen again somewhere million time away from our observable universe?
Apr
23
answered Putting mass-luminosity relation and HS diagrams together leads us to a mass-age relation; so how do stars lose their mass over time?
Apr
23
comment Why is iron responsible for causing a supernova?
@Jeremy Yes. And what about that?
Apr
23
reviewed Approve suggested edit on What is the difference between our time and space time?
Apr
23
comment Does the earth's atmosphere act as a spherical lens and refract light from space?
@FlorinAndrei You are quite right. Seeing is the blur of the Airy's disc.
Apr
22
answered Does the earth's atmosphere act as a spherical lens and refract light from space?