1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
S_A_V [24]
3 years ago
10

The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova,

it would be one of the brightest stars in the sky. Right now, the brightest star other than the Sun is Sirius, with a luminosity of 26LSun and a distance of 8.6 light-years.
Geography
1 answer:
stepladder [879]3 years ago
6 0

Answer: The brightness of our if betelgeuse were to explode as as a supernova would by getting the ratio betelgeuse to sirius. Which would then be:

Apparent brightness of Betelgeuse

÷ Apparent brightness of Sirius=

6.9×10^4 Lsun.

You might be interested in
Which of the following statements is true?
Simora [160]

Lines of latitude are often printed to mark off angles
(not distance) north and south of the equator.

Lines of latitude are also called 'parallels', because
they are parallel to each other.

If there are any of them printed on a particular map
or globe, then each one north of the equator is labeled
with the angle it represents, and ' N '.

4 0
3 years ago
C) Describe the characteristics of the Savannah vegetation<br>​
trapecia [35]
Answer: Rainy and dry seasons
4 0
2 years ago
Im a simp simp <br><br><br><br><br><br><br><br><br><br><br><br><br> na im not tho
Ahat [919]

Answer:

so you are a a simp but your not

Explanation:

3 0
2 years ago
Read 2 more answers
How do the languages of the caribbean islands reflect their colonial history
Andrew [12]
It reflect on their history because their great great might have used it as a secret language and it afect them because they speak it like I am Haitian and I speak creole
6 0
3 years ago
Match the country in column 1 with the colonial history in column 2
Stella [2.4K]

Answer:

1 ? is portugal 2? is spain 3rd? france 4? is Britian

Explanation:

look at the languages and magana carta from the pope he gave the spanish the majority of the south america and portugal the what is now brazil hence why they speak portugese

8 0
2 years ago
Other questions:
  • How does increased population impact global warming?
    13·2 answers
  • With increasing distance from an oceanic ridge, the rocks become older. the rocks become younger. the rocks' ages alternate betw
    6·1 answer
  • A major concern about increasing global temperatures is that a large portion of polar ice could detach and melt into the ocean.
    8·1 answer
  • Can anyone please help me with this? Asap?​
    11·1 answer
  • How is the density of an object calculated?
    9·2 answers
  • PLEASE HELP! DUE SOON!! I'll give Brainlest!
    6·2 answers
  • PLEASE HURRY!!!!!!!!!!!!!
    5·1 answer
  • Why are the US and Canada together considerd a region?
    13·1 answer
  • How did the physical geography of greece effect their civilization?
    11·1 answer
  • Please Help!!!!!!!<br> Identify the countries labeled on the following map.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!