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
iogann1982 [59]
3 years ago
13

Suppose you monitor a large number (many thousands) of stars over a period of 3 years, searching for planets through the transit

method. Which of the following are necessary for this program to detect an extrasolar planet around one of these stars?
1. You must be able to precisely measure variations in the planet's brightness with time.
2.You must be able to precisely measure variations in the star's brightness with time.
3. As seen from Earth, the planet's orbit must be nearly face-on (perpendicular to our line-of-sight).
4. The planet must have an orbital period of more than about 3 years.
5. As seen from Earth, the planet's orbit must be seen nearly edge–on (in the plane of our line-of-sight).
6. You must repeatedly obtain spectra of the star that the planet orbits.
7. The planet must have an orbital period of less than about 1 year.
8. You must repeatedly obtain spectra of the planet itself.
Social Studies
1 answer:
Musya8 [376]3 years ago
8 0

Answer:

5, 2, 7

Explanation:

-As seen from Earth, the planet's orbit must be nearly face-on (perpendicular our line-of-sight).

-You must be able to precisely measure variations in the star's brightness with time.

-The planet must have an orbital period of less than about 1 year.

Cheers

You might be interested in
Pls help for number 1 and 2 i mark brain thing
Brut [27]

Answer: 1. germany. 2.  they were shot.

Explanation:

8 0
3 years ago
A crisis is the sum of intuition and blind spots, a blend of facts noted and facts ignored.
Fofino [41]
ANSWER IS TRUE, HOPE THIS HELPS YOU.
8 0
2 years ago
How did the colonists react to the intolerable acts
EleoNora [17]
They thought that thier acts were Untrolirataeibalbe
3 0
3 years ago
Read 2 more answers
The upperhouse of the genaral assembly
Elina [12.6K]
An upper house is one of two chambers of a bicameral legislature. The other chamber is called the lower house.

Upper Houses in the world:
- India: the Rajya Sabha
- Pakistan: the Senate of Pakistan
- United Kingdom: the House of Lords
- United States of America: the United States Senate
7 0
2 years ago
qquizlet when a child exhibits aggressive behavior attempts to harm the self-esteem of another, this is called:
kifflom [539]

A child’s aggressive behavior that attempts to harm the self-esteem of another is called verbal aggression.

Verbal aggression is a kind of nonphysical aggression which involves the use of a range of words to exhibit aggressive behavior. Examples of verbal aggression include screaming, swearing, insulting, name-calling, accusing and other unkind and cruel remarks intended to cause distress and pain.

When a child is involved in verbal aggression, they may seek to damage another child’s self-esteem and reputation. The child engages in verbal aggression may harm the self-esteem of another child in many ways, such as by name calling in order to make fun of them,  uttering devaluing remarks with the intent to harm their image, and insulting and shouting in presence of other children with a purpose of causing pain to them.

You can learn more about self-esteem at

brainly.com/question/8992294

#SPJ4

7 0
2 years ago
Other questions:
  • Which group was charged the highest rates by the railroads during the late 19th century?
    7·1 answer
  • In the united states, we value achievement and success. this is evident in things like the attention we pay to job promotions, f
    8·2 answers
  • Please Please Help
    11·1 answer
  • In the 1960 American men had to register for the draft if they were between the ages of?
    13·2 answers
  • When the Sun heats water in rivers, lakes, and oceans, it evaporates and changes from a liquid to a gas. Once the gaseous water,
    8·1 answer
  • The study of the various processes that affect the formation of a particular site, explaining how certain objects in that site (
    12·1 answer
  • What are 2 important rivers in Southwest Asia (Middle East)?
    8·1 answer
  • What was the benefit of terrace farming during the neolithic era
    8·1 answer
  • When was green bean casserole introduced to thanksgiving
    14·1 answer
  • How does the structure of the federal bureaucracy contribute to bureaucratic independence?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!