Open Always
Email: Call Now! +1-315 515-4588
Open Always
Email: Call Now! +1-315 515-4588

Book Review Sample Paper on Astronomy

This sample paper on (Book Review Sample Paper on Astronomy) was uploaded by one our contributors and does not necessarily reflect how our professionals write our papers. If you would like this paper removed from our website, please contact us via our Contact Us Page.

A Database of over Million Scholarly Resources. Start your Search Now

Book Review Sample Paper on Astronomy

Summary of the Article

Gillon et al. (2017) indicate that the main purpose of modern astronomy is to discover exoplanets that have atmospheric characterizations and features similar to earth. This means that their main function is to identify planets that can harbor life as it is on earth. The search under discussion began earlier in the decade but intensified in February 2016 when ground breaking observations were made that would lead to the discovery of such exoplanets (Alibert & Benz, 2017). As a result, Gillon et al.  (2017) reported that they had discovered seven planets that weigh equally to the planet earth, orbiting around a dwarf star known as TRAPPIST-1. Of these seven exoplanets, five of them have the highest capability of harboring life as their sizes, temperatures, and masses are closest to those of planet Earth. This dwarf star that the exoplanets orbit around is quite a bit smaller, 20 percent, and cooler as compared to our star, the sun. These exoplanets are named after this dwarf star TRAPPIST 1, i.e. TRAPPIST-1b, TRAPPIST-1c, TRAPPIST-1e, TRAPPIST-1f and TRAPPIST-1g. As mentioned by Gillon (2017), these planets have a lower equilibrium temperature that can make it possible to have the presence of water. Astronomers predict that one of these exoplanets has the right temperature to possessoceans. Similarly, the article suggests that the dwarf star TRAPPIST 1 and its exoplanets are comparable to other exoplanatory systems. First, the star is cool, similar to other red dwarfs that have become popular targets for exoplanet hunters. The planets are also super close to their star as observed in other exoplanatory systems. Finally, they seem to orbit in sync in what astronomers call orbital resonance in a ratio of 4:3.

The process of discovering these exoplanets was quite lengthy and involves sophisticated technology. First, the astronomers discovered that there are planets revolving around TRAPPIST-1 after they noted its light dimmed several times (Turbetet al., 2016). This implied there were objects orbiting the star which obscured the light from the star and thus the dimming effect. The second step involved substantiating these observations by establishing whether these objects were actual planets. One of the three exoplanets deemed capable of harboring life was discovered using transit signals. According to Gillon et al (2017), astronomers mounted the High Acuity Wide field K-band Imager (HAWK-I), which is an infrared viewer installed on the Very Large Telescope (VLT) in Chile (Turbetet al. 2016). These two instruments found strong light curves around TRAPPIST-1 and that was a clear indication of an observed eclipse.There wereseveral light curves and it was challenging to relate them with a single exoplanet, hence the scientists conducted various photometric follow-ups. Twenty days later, the light curves were more precise leading to the discovery of four new transiting planets, which are, TRAPPIST-1d, TRAPPIST-1e, TRAPPIST-1f and TRAPPIST-1g.The following phase included conducting a global MCMC analysis of these transits as observed by Spitzer (Kane, Hinkel& Raymond, 2013). This study led to the discovery of more planets as free stricture for the six interior planets.

In the third phase they discovered that 5 exoplanets (b, c, e, f and g) equals planet earth in terms of size and the other two exoplantes (d and h) have the same size with plante Mars (which has a radius about half that of Earth) and Earth. Another discovery made by the astronomers was that these planets were very close to the dwarf star. The resultant terrestrial orbital penchant are about the 90° angle, which is a clear indication that co-planar system seen nearly edge-on. This make them orbit TRAPPIST very fast with the innermost planet completing the orbit within only 1.5 days and the farthest taking 20 days. The scientists confirmed that the two innermost planets are engulfed in hydrogen and that they are rocky just like planet earth (Alibert & Benz, 2017). One side always faces the dwarf star though its atmosphere may distribute warmth to the other side. Finally, Kane, Hinkel and Raymond (2013) outline other methods of discovering exoplanets other than transit signals as used in this case.  They include direct imaging, micro lensing, timing, and radio velocity.

Personal Discussion and Analysis

To begin with, it is quite intriguing to understand that some planets that are outside the solar system can possibly harbor life.  It was a common expectation that life could be discovered on other planets within the solar system but this possibility has not yet been realized. Secondly, this study by Gillon et al. (2017) proves that technology has advanced tremendously. NASA’s Spitzer Space Telescope that was used to discover TRAPPIST is significantly more powerful as a result of an advancement in technologies.Additionally, use was made of ground based telescopes in Chile and other places around the world.Another intriguing aspect of this discovery is the fact that the exoplanets orbit their dwarf star very fast. A period of 1.5 days to 20 days is a lot shorter than what we are used to in the solar system. This raises other questions such as the existence of seasons among these exoplanets (Kane, Hinkel& Raymond, 2013). Basically, seasons are a result of the earth orbiting the sun with an inclined axis. The earth takes quite a lot longer to pass through its seasons which gives an opportunity for climatic change and other developments to occur. Will a similar situation be witnessed with the exoplanets revolving round TRAPPIST-1? Similarly, it is important for astronomers to establish whether the exoplanets spin on their own axes to form day and night as it is experienced on planet earth.

This discovery represents a milestone in the quest towards the answers regarding whether there are other beings that exist outside planet earth. According to Chiang and Laughlin (2013), scientists’ and astronomers’ main question has been whether the human race is alone and if there are other habitable zones outside our solar system. Scientists have for a long time strived to find life outside planet earth with extraterrestrial beings as they are displayed in fictional movies. In the 20th century, scientists had indicated the probability of planet Mars harboring life. The main challenge to thatquest was the inability to identify water vaporon this planet. This implies that the TRAPPIST 1 discovery is quite important to astronomers since they have discovered the prerequisite of water on these exoplanets. The discovery of these exoplanets shows that scientists could be close to getting feasible answers to their quest regarding the existence of life outside planet earth.

This discovery does not only contribute to astronomy but also other disciplines such as astrobiology. Biologists will be in a position to understand that humans can exist under conditions other than the ones found on earth. Solar system science as it has now advanced will stand us in good stead to discover other systems that are probably found within the galaxy. MacDonald et al. (2016) also say that there has been a lot of anxiety regarding the existence of life outside planet earth. Actually, this was accelerated by the myth or rather the theory of extraterrestrial beings. The human race has always wanted to know the answers to these pressing questions of whether other planets can support life. As aforementioned, the film industry has been awash with fictional movies showing extraterrestrial beings and even humans visiting other planets. Similarly, there was also a suggestion of humans relocating to other planets due to population growth and depletion of resources on planet earth. Therefore, this discovery has awakened such memories and society is waiting to see the developments and how it will respond to such expectations. Therefore, the TRAPPIST-1 discovery is a major event that does not only affect the scientific world but also our entire society.


















Alibert, Y.,& Benz, W.(2017) Formation and composition of planets around very low mass stars. Astron. Astrophys,598,L5.

Chiang, E.,& Laughlin, G. (2013).The minimum-mass extra solar nebula: in situ formation of close-in super-Earths. Mon. Not. R. Astron. Soc.,431,3444–3455.

Gillon, M., et al. (2017). Seven temperate terrestrial planets around the nearby ultra cool dwarf star. TRAPPIST-1.Nature, 542.

Kane, S. R., Hinkel, N. R.,& Raymond, S. N. (2013). Solar system moons as analogs for compact exoplanetary systems. Astron. J. 146,122.

MacDonald, M. G. et al(2016).A dynamical analysis of the Kepler-80 system of five transiting planets. Astron. J,152,105.

Turbet, M.,et al.(2016).The habitability of Proxima Centauri b II. Possible climates andobservability. Astron. Astrophys,596,A112.

Sharing is: CARING

Are you looking for homework writing help? Click on Order Now button below to Submit your assignment details.

Homework Writing Help
We Can Help you with this Assignment right now!
Book Review Sample Paper on Astronomy

Are you looking for homework writing help on (Book Review Sample Paper on Astronomy)? Well, you can either use the sample paper provided to write your paper or you could contact us today for an original paper. If you are looking for an assignment to submit, then click on ORDER NOW button or contact us today. Our Professional Writers will be glad to write your paper from scratch.

We ensure that assignment instructions are followed, the paper is written from scratch. If you are not satisfied by our service, you can either request for refund or unlimited revisions for your order at absolutely no extra pay. Once the writer has completed your paper, the editors check your paper for any grammar/formatting/plagiarism mistakes, then the final paper is sent to your email.

Privacy| Confidentiality

Book Review Sample Paper on Astronomy

We do not share your personal information with any company or person. We have also ensured that the ordering process is secure; you can check the security feature in the browser. For confidentiality purposes, all papers are sent to your personal email. If you have any questions, contact us any time via email, live chat or our phone number.

Our Clients Testimonials

  • I appreciate help on the assignment. It was hard for me but am good to go now

    Impact of pollution on Environment
  • Am happy now having completed the very difficult assignment

    Creative Message Strategies
  • Your writer did a fine job on the revisions. The paper is now ok

    Ethics: Theory and Practice
  • The paper was so involving but am happy it is done. Will reach you with more assignments

    Title: Privatization in or of America
  • I expected perfection in terms of grammar and I am happy. Lecturer is always on our head but was pleased with my paper. Once again, thanks a lot

    Title: Bundaberg Inquiry
  • The paper looks perfect now, thank to the writer

    Health Care Systems
  • You helped me complete several other tasks as you handled paper. wonna thank you

    Critique Paper on Political Change

Related Articles

Book Review Sample Paper on Astronomy

Analyze the Nursing Roles in providing Comprehensive care in a Variety of Community Health Settings

Community Settings This week’s graded topics relate to the following Course Outcomes (COs). CO3: Plan prevention and population-focused interventions for vulnerable populations using professional clinical judgment and evidence-based practice. (POs...
Read More

Case Study Assignment on Ethical Issues in Asia-Pacific business

Case study assignment on Ethical Issues in Asia-Pacific business For this assignment, students will write a case study report in 2,000 words based on a case identified with circumstance or...
Read More

Sample Report Paper on The proposed reward system and strategy for the big city university

A good reward system should motivate workers. It should also attract and retain the same workers. On the contrary, a bad reward system does not do either of these things....
Read More

Management of PCOS through Homoeopathy-A case report

Introduction PCOS is the acronym for Polycystic Ovarian Syndrome. It is the most common endocrine disorder of women in their reproductive period manifested by irregular menstrual cycles and polycystic ovaries,...
Read More

Get more from us…

Would you like this sample paper to be sent to your email or would you like to receive weekly articles on how to write your assignments? You can simply send us your request on how to write your paper and we will email you a free guide within 24-36 hours. Kindly subscribe below!

Email Address: