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
Vikki [24]
3 years ago
14

An astronomer see a star that is very far away but still very bright. What can she conclude about the star?

Biology
2 answers:
Vinil7 [7]3 years ago
3 0
<span>It could be a supernova. The Crab Nebula is the remnants of a supernova explosion which was observed in the year 1054. The star that exploded was 6000 light years away and it was still a spectacular sight even from that distance.So its A.Let me know if I helped.
Give me brainliest and stars.
:)
</span>
Darya [45]3 years ago
3 0

The correct answer is The star must be very large.

The visibility of a star totally depends on its brightness and luminosity. The star can be easily seen because it is very large in size. The light emitted from the star is visible only because the size of the star is very large as compared to that of other stars present in sky. For example: if you compare a headlight of a car and flashlight of the mobile phone which are kept 10 feet away from the observer. The headlight of car is easily visible as compared to that of flashlight because is it bigger in size and hence its brightness and luminosity will be more as compared to that of flashlight.

You might be interested in
Eukaryotic sexual life cycles show tremendous variation. Of the following elements, which do ALL sexual life cycles have in comm
larisa [96]

Answer:

II. meiosis

III. fertilization

IV. gametes

Explanation:

Gamete formation and fertilization are the processes performed by all the sexually reproducing organisms. Gametes are the cells that are formed in the male and female sexual organs of these organisms. Formation of gametes occurs by meiosis and therefore, the gametes of a diploid organism are always haploid.

Male and female gametes fuse during the process of fertilization and form the zygote which in turn divide repeatedly to produce an embryo. For instance, sperms and eggs are the male and female gametes that are formed in testes and ovaries of male and female human individuals respectively. The fusion of sperm and egg produces a zygote that finally develops into a young one.  

8 0
2 years ago
Match each type of organism to a characteristic that describes it. Produce food from inorganic materials cannot survive in the p
TEA [102]
<h2>Type of Organisam to a Characteristic </h2>

The chloroplast produces food from inorganic materials. Anaerobic organelles cannot survive in the presence of oxygen this is because oxygen does not help in it's growth. Though eukaryotic cells contain cell nucleus. This is why chloroplasts produce food through photosynthesis.  

7 0
3 years ago
In which type of plate boundary would you NOT find volcanoes?
exis [7]

Answer: D

Explanation:One of the reasons for this is that there is little or no magma available at the plate boundary. The most common magmas at constructive plate margins are the iron/magnesium-rich magmas that produce basalts.

5 0
2 years ago
Which of the following organs aids in digestion?
Assoli18 [71]
I Think the Answer
 is D...Hopes this Helps <span />
7 0
3 years ago
What is the haploid chromosome number in humans?
Vitek1552 [10]
Haploid chromosome number in humans is 23

In short, Your Answer would be 23

Hope this helps!
7 0
3 years ago
Other questions:
  • What's the momentum of a 3.5-kg boulder rolling down hill at 5m/s
    15·1 answer
  • what is the mass number of an ion with 109 electrons 159 neutrons and a +1 charge? Express your answer as an integer
    12·1 answer
  • Identify the type of symmetry displayed for each item. then, indicate how you came to your conclusion:
    13·1 answer
  • 4. A single-celled organism that a student observed under a microscope is shown below.
    10·1 answer
  • Which of the following is not an autotroph
    7·2 answers
  • 1. what biome is characterized by very low temperatures, little precipitation, and permafrost? A. desert B. temperate forest C.
    6·2 answers
  • The enzyme carbonic anhydrase catalyzes the formation of carbonic acid from carbon dioxide and water. Imagine that you have two
    12·1 answer
  • Complete each sentence with the appropriate object pronouns.
    6·1 answer
  • Humans contribute to many changes of areas such as beaches, bays, wetlands, the sea floor, and coral reefs. How does the deliber
    5·2 answers
  • What do you call a forested wetland in wet season, that typically remains waterlogged at all times. Has trees*
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!