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MiscellaneousUser
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15 votes
2 answers
5k views

Does a star fuse helium to beryllium on the main sequence?

10 votes
1 answer
1k views

Are stars NML Cygni, UY Scuti, VY Canis Majoris and VV Cephei near the ends of their lives?

6 votes
1 answer
507 views

Opposite Constellation of Sagittarius A*

5 votes
1 answer
219 views

Why do constellation names change (eg from Cancer to Cancri) when used as part of a star's name?

5 votes
2 answers
216 views

Radial Velocity Clarification Sought

4 votes
1 answer
2k views

Convert a Decimal into RA or Dec

3 votes
2 answers
1k views

How to complete the Hipparcos Catalog?

3 votes
1 answer
318 views

Is T Tauri a compulsory stage for stellar evolution?

3 votes
2 answers
485 views

How can I convert a galaxy arcmin to light years?

3 votes
1 answer
103 views

Goldilocks Zone Temperature Range for Habitation

2 votes
2 answers
558 views

What do the flux letters mean? (U, B, V, R, I, G, J, H, K, u, g, r, i, z)

2 votes
1 answer
200 views

English Meaning for Abreviations (Easy Question)

2 votes
1 answer
128 views

Are Symbiotic and Vampire Stars the same type of star or different?

2 votes
2 answers
1k views

As the Sun dies, does the Earth's orbit change?

2 votes
1 answer
286 views

Epsilon Eridani and Sadira

2 votes
0 answers
93 views

Have I misunderstood Hipparcos Data with Arcturus?

2 votes
1 answer
491 views

Is there a publicly available Gliese Star List

2 votes
1 answer
176 views

Variable Types of Stars

2 votes
1 answer
307 views

What does cz mean?

2 votes
0 answers
56 views

Spectral Class Breakdown

2 votes
3 answers
94 views

A question about star names... E.G. CW Tauri, DZ Bootis, IQ Lupi, EU Eridani

2 votes
1 answer
50 views

Is HR 5171 a Spectroscopic Binary or a Symbiotic?

1 vote
1 answer
190 views

When is an exoplanet called a Super-Jupiter? or Super-Earth?

1 vote
0 answers
43 views

Is the Condor Galaxy (NGC 6872) the result of a non-collision galaxy interaction?

1 vote
1 answer
104 views

Was the First Extragalactic Planet discovered in Andromeda Galaxy

1 vote
3 answers
3k views

B-V to U-B colour index

1 vote
1 answer
897 views

Where is 0 R.A.?

1 vote
1 answer
69 views

Stellar Information from Hipparcos

1 vote
3 answers
716 views

Calculating Radial Velocity from Hipparcos

1 vote
2 answers
153 views

Variable and Multiple Stars in Hipparcos