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cluponka [151]
3 years ago
15

How do astronomers find exoplanets?

Biology
1 answer:
gayaneshka [121]3 years ago
4 0

Answer:

They measure the shift in a star's emission spectrum.

Explanation:

Exoplanets are planets found outside the solar system.

Planets orbiting far enough from stars to be resolved reflect very little starlight, so planets are detected through their thermal emission instead. These thermal emission is gotten by observing the shift in the stars emission spectrum.

Coronagraphs are also used to block light from the star which results to leaving the planet visible. Direct imaging of an Earth-like exoplanet requires extreme use of optothermal stability.

They can also be found by using space based telescopes.

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Please help!!
Margaret [11]

Answer:

I think its (A)

Explanation:

Because it has something to do with the body hinting enzyme (which is a substance produce by a living organism which acts as a catalyst to bring about a specific biochemical reaction but sorry if i get it wrong

4 0
4 years ago
Saddle joints have concave and convex surfaces. Name the two bones of the hand that articulate to form a saddle joint. A. The tr
Sunny_sXe [5.5K]

Answer:

Option (A).

Explanation:

Saddle joint is a type of synovial joint and also known as sellar joint. These joints are present in thumb, shoulder and inner ear.

The bone has one part concave inward and other part is convex outward. This bone can articulate with thumb's metacarpal and trapezium of the carpal bone. Saddle joints show abduction and adduction movements.

Thus, the correct answer is option (A).

6 0
4 years ago
As an infant, the ability to produce antibodies is
aleksandr82 [10.1K]
NOT POSSIBLE!AT ALLLLL
5 0
3 years ago
place the following labels in order through which an unfertilized ova will pass beginning with the site of production.
tatyana61 [14]

The following labels in order through which an unfertilized ova will pass beginning with the site of production.

  • Ovary
  • Infundibulum
  • Ampulla
  • Isthmus
  • Fundus
  • Body
  • Cervical canal
  • Vagina

<h3>What is an unfertilized ovum?</h3>
  • A fertilized egg has merged with a sperm, but an unfertilized egg has not. It is referred to as the ovum in mammals. After fertilization, the embryo is produced. The secondary oocyte stage is where the unfertilized egg can be found.
  • The egg disintegrates and the uterine lining sheds during your period if the egg is not fertilized. You can achieve or avoid pregnancy by being aware of when and how ovulation occurs.
  • Scientists have successfully produced an eight-cell human embryo from an unfertilized egg, according to a research published in today's issue of the British science magazine Nature. In a three-day experiment, researchers from the British Medical Research Council and Edinburgh University reported that the embryo developed without male chromosomes.

Learn more about unfertilized egg refer to :

brainly.com/question/14773464

#SPJ4

7 0
1 year ago
Restoration of native plants and habitats on campuses __________. a. is limited to those campuses with large land holdings b. is
Vinil7 [7]

Answer:

Restoration of native plants and habitats on campuses can provide ecosystem services such as slowing storm water runoff and filtering pollution-c.

8 0
4 years ago
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