Deep Sky Objects Michael Henry


Albert Einstein


Albert Einstein was a German physicist. He was born in Ulm, W├╝rttemberg, Germany on March 14, 1879. He was an outstanding physicist but he is mostly known for his theory of relativity. Sadly, Einstein died in April 18, 1955 in Princeton, New Jersey.


Einstein was asked to be the president of Israel, but he declined.


Albert Einstein created the general theory of relativity. His works also had a major impact on the development of atomic activity.



Galileo was born on February 15, 1564 in Pisa, Italy. He was a mathematics professor. But Galileo also wrote books on controversial topics about the universe. The Church was against his writings so he put in house arrest after being convicted of hersey. He died on January 8, 1642.


Galileo had a girlfriend named Marina Gamba. Even though he had three kids with her, he never got married because he was afraid that his kids would mess up his social standing.


Galileo made investigations and obeservations which laid down the foundation of modern science and physics.

Urbain Jean Joseph Leverrier


Urbain Jean Joseph Le Verrier was born in Normandy on March 11, 1811. He was a great scientist but he was also a mathematical astronomer. His work was universally known as one of the outstanding scientific achievements of all time. He died on September 23, 1877 in Paris.


Leverrier has no biography or is there any technical contributions written because everything about him was in French.


He made investigations which led to the discovery of Neptune.

William Herschel


William Herschel was born in Hanover, Brunswick-L├╝neburg on November 15, 1738. He was an astronomer and a composer. Herschel is also widely credited as the founder of sidereal astronomy for obeserving the heavenly bodies (natural bodies visible in the sky). He died on August 25, 1822 in Slough, Berkshire.


Herschel created the term "asteroid".


William Herschel discovered the planet Uranus and its two moons. He also formulated the theory of stellar evolution.

Clyde Tombaugh


Clyde Tombaugh was born on February 4, 1906 in Streator, Illinois. He was an astronomer who worked for Lowell Observatory for 14 years. Clyde built many telescopes because he was not satisfied with the store bought ones. With those telescopes, he observed the sky and made many discoveries about UFO's. Sadly he died on January 17, 1997.


Clyde Tombaugh was a former Jayhawk because he went to the University of Kansas (which is my favorite college).


He discovered the dwarf plant Pluto and he was one of the main supporters to the further research of UFO's.

Percival Lowell


Percival Lowell was born March 13, 1855 in Boston, Massachusetts. He was an American astronomer who made many theories about !ars. During his studies p, he discovered planets. He died November 12, 1916 in Flagstaff, Arizona.


The Lowell family (the family he was born to) was very distinguished in the state of Massachusetts.


He predicted the existence of the planet Neptune and he initiated the search that ended with the discovery of Pluto.

Issac Newton


Sir Isaac Newton was born on January 4, 1643 in Woolsthorpe, England. He is one of the most famous scientist world wide. Newton was a philosopher, astronomer, scientist, physicist and mathematician. In 1687, he wrote Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy). That book is considered the single most influential book on physics. Unfortunately he died March 31, 1727.


Newton never married or had friends and in his later years, a combination of his pride and insecurity led people to worry about his mental stability.


He made the law of gravitation.

Vera Rubin


Vera Robin was born July 23, 1928 in Philadelphia, Pennsylvania. She was an astronomer determined to investigate the universe secrets for herself. She was married to Robert Rubin and during their marriage, they had four kids. Vera was hardworking and diligent but because she was a woman, she had to stay one step ahead of everyone else to gain credibility. Vera Rubin died on December 25, 2016 in Princeton, New Jersey.


All four of Rubin's kids earned doctorites in the scientific field.


Vera Rubin discovered dark matter (makes up 90 percent of the universe).

Edwin Hubble


Edwin Hubble was born on November 20, 1889 in Marshfield, Missouri. He revolutionized the field of astrophysics. He discovered that there are more galaxies outside of the Milky Way. Sadly, he died September 28, 1953. In honor of Hubble's work in astrophysics, NASA named its Hubble Space Telescope after Edwin Hubble.


He served in World War I before he settled down in the field of astrophysics.


Edwin Hubble's research helped prove that the universe is expanding. He also created a classification system for galaxies.



A star which suddenly flares up to many times its original brightness before fading again.


A super bright explosion of a star. A supernova can produce the same amount of energy in one second as an entire galaxy.

Open Cluster

A group of up to a few thousand stars that were formed from the same giant molecular cloud, and are still loosely gravitationally bound to each other.

Globular Cluster

Densely packed collections of ancient stars. They contain hundreds of thousands, and sometimes millions, of stars.


A cloud of gas and dust


A group of stars, gas and dust held together by gravity


A very distant, immensely bright object.

Black Hole

A region of space around a very small and extremely massive object within which the gravitational field is so strong that not even light can escape


Type of star that gives off a rapidly repeating series of radio waves

Black Dwarf

A black dwarf is the name given to a white dwarf star that has cooled enough that it is no longer radiating any visible light.

White Dwarf

White dwarfs are the final remnant of the core collapse death of a star with a starting mass similar to the sun, roughly between 0.5 to 8 solar masses give or take.

Solar System


Solar Flare

Sudden bursts of energy in the form of fire that erupts on the suns surface.

Solar Prominence

A large, bright feature extending outward from the Sun's surface; often link sunspots


Area of gas on the sun's surface which leaves a dark spot

Solar Wind

Create powerful electric currents that result in greenish, red or purple glow in Earth's sky; can also cause magnetic storms


An incredible light show caused by solar winds

Solar Eclipse

When our view of one object in the sky is blocked by either another object or the Earth's shadow


Mercury is the planet closest to the Sun. It is not, however, very close, since it is 36 million miles, or 58 million kilometres away from the Sun!


Venus is the brightest planet in the Solar System and can be seen even in daylight if you know where to look


The Red Planet is the fourth planet from the sun. In a lot of ways, Mars looks a lot like our home, though instead of blue oceans and green land, Mars is home to an ever present red tint because of its iron oxide.


Jupiter is the planet fifth in order from the sun. It has at least 14 moons and it is the largest planet in the solar system.


Saturn is the sixth planet in the Solar system and, when seen through a telescope, by far the most beautiful because of its rings.


The seventh planet from the Sun, it was not known in ancient times, unlike the planets from Mercury to Saturn.


Neptune is the 8th planet from the Sun. Like Jupiter, Saturn and Uranus, it is composed only of gas. Neptune is a great ball of hydrogen and helium.


Pluto orbits beyond the orbit of Neptune (usually). It is much smaller than any of the official planets and now classified as a "dwarf planet"


A small, frozen mass of dust and gas revolving around the sun

Oort Cloud

The Oort Cloud is a theorised shell of icy objects that lie beyond the Kuiper Belt.

Asteroid Belt

The asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid orbits can be found.


An object from Outer Space, such as a rock, that falls into the Earth and lands on its surface.


The fifth largest moon in the solar system, Earth's moon is the only place beyond Earth where humans have set foot.

The brightest and largest object in our night sky, the moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years.

The moon was likely formed after a Mars-sized body collided with Earth. Earth's only natural satellite is simply called "the moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.


Apparent Magnitude- Apparent magnitude of a star is a number that tells how bright that star appears at its great distance from Earth

Absolute Magnitude- Absolute magnitude is the apparent magnitude the star would have if it were placed at a distance of 10 parsecs from the Earth.

Eclipsing Variable Star- A pair of stars revolving about their common centre of mass in an orbit whose plane passes through or very near the Earth

Variable Star- Stars which fluctuate in brightness

Light Year- The distance which a ray of light would travel in one year. This is about 6,000,000,000,000 (6 trillion) miles.

Astronomical Unit- The distance from the Earth to the Sun. Usually written AU.

Event Horizon- Boundary marking the limits of a black hole.

Electromagnetic Spectrum- The electromagnetic spectrum describes all the wavelengths of light. From dark nebulae to exploding stars, it reveals an otherwise invisible universe.

ROYGBIV- An acronym for the colors of the visible light spectrum: Red, orange, yellow, green, blue, indigo, violet

Dark Matter- Roughly 80 percent of the mass of the universe is made up of dark matter. Dark matter does not emit light or energy.

Weird but True


Uranus is tilted on its side


Mars has the biggest volcano (that we know of)


Venus has super-powerful winds


Mercury is still shrinking


There are mountains in Pluto


Created By
Michael Henry

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