I think the answer is A good luck
Answer: a, b, c
Explanation:
The light in the band of Milky Way originates from un-resolved stars and other material that lie within the galactic plane of our galaxy.
Dark regions within the band of Milky Way correspond to areas where light from distant stars is blocked by interstellar dust.
There are 88 official constellations that cover the entire sky.
Winter Triangle is an asterism.
Answer:
1) a)
, b)
, c)
.
2) a)
, b)
, c)
.
Explanation:
The scale factor is defined by the following expression:
(1)
Where:
- Scale factor.
- Scale distance, in centimetres.
- Real distance, in centimetres.
1) If we know that
,
,
and
, then the actual distances in metres are:












2) If we know that
,
,
and
, then the actual distance in kilometres is:











