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pantera1 [17]
3 years ago
8

Describe 2 ways that we find planets orbiting other stars

Geography
1 answer:
Jobisdone [24]3 years ago
8 0

Answer:

Methods are given below.

Explanation:

1. Direct Imaging: Its directly seeing the planet itself, it's potential has increased dramatically over the past few years due to advancements in our technology.

2. Astrometry: Study of precise positioning of stars in the sky. The star is always much more massive than the planet, so the center of mass is much closer to the star, and thus the star's orbit is very tiny while the planet's orbit is much more pronounced.

3. Doppler Shift (also known as the radial velocity method) this method is based on the theorem that planet orbiting the stars have the same weight. The changes in the star spectrum and wavelength shows the brightness coming from the orbiting star.

4.  Pulsar Timing: This Is a time-bound approach to finding the planets that orbit the stars through the beam of light that the old star emits.

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Archy [21]
Os anglo-americanos normalmente falam principalmente em inglês, mas alguns também podem falar espanhol. Todo o resto realmente depende da pessoa, seja religião, emprego ou personalidade.
7 0
3 years ago
Figure 1 shows how Earth’s surface looked 250 MYA. Today, it looks as shown in figure 2. Which processes are partially responsib
Xelga [282]

Weathering and erosion

Explanation:

Weathering and erosion are the processes that would be partially responsible for the change in the landmasses. Since the image shows movement of continents to their current positions, their surfaces would have been sculpted by the agents of denudation through its 250mya history.

  • Denudation is the gradual process of lowering and leveling of the earth surface by breaking and wearing away of such surfaces.
  • The agents of denudation are wind, running water, ice and waves.
  • Denudation is a constant process that the earth undergoes from time to time.

Learn more:

wind erosion brainly.com/question/2115729

#learnwithBrainly

3 0
3 years ago
Name and discuss two way in which a student can pay for his or her studies if their parents can't afford it?​
Kamila [148]

Answer:

Fill out the FAFSA. ...

Search for scholarships. ...

Choose an affordable school. ...

Use grants if you qualify. ...

Get a work-study job. ...

Tap your savings. ...

Take out federal loans if you have to. ...

<h3>Borrow private loans as a last </h3>
4 0
2 years ago
Given STU and DEF what is the m
Sonja [21]

Answer:

m<E = 105°

Explanation:

The ratio of the corresponding side lengths of ∆STU and ∆DEF are equal. That is:

\frac{ST}{DE} = \frac{TU}{EF} = \frac{SU}{DF} = \frac{15}{6} = \frac{10}{4} = \frac{20}{8} = 2.5.

According to similarly theorem, if two ∆s are similar, the ratio of their corresponding lengths would be the same. Therefore, ∆STU is similar to ∆DEF.

Since ∆STU ~ ∆DEF, their corresponding angles are congruent. That is:

<S ≅ <D, this means both are 29° each.

<T ≅ <E, this means they are both equal

<U ≅ <F. this means both are 46° each.

Thus:

m<E = 180 - (m<D + m<F) (sum of ∆)

m<E = 180 - (29 + 46) (substitution)

m<E = 180 - 75

m<E = 105°

4 0
3 years ago
How does a convection cell in the mantle lead to volcanism at the mid-ocean ridge?
poizon [28]

The convection cell in the mantle is essentially the self-sustaining, constant movement of the magma inside this layer. This works in a very simple way. The hotter magma is less dense, so it is pushed upward toward the crust above it, while the cooler magma is denser, and it moves downward where it gets hotter, and the process goes on and one. The magma that goes upward toward the crust, manages to push through the thinner and cracked crust between the plates that move away from each other, thus on the divergent plate boundaries. As the magma penetrates through the crust it manages to get to the ocean floor, thus causing volcanic activity. This magma cools of very quickly and creates new crust. Because the magma constantly rises up and creates new crust, the crust piles up and forms an underwater mountain of volcanic origin that constantly has volcanic activity because of the rising magma. This volcanic underwater mountain range is called mid-ocean ridge.

6 0
3 years ago
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