What are the two areas in the field of star formation where Hubble has made a great impact?

Firstly it has studied the formation of stars like our Sun and has literally seen dusty disks which may end up as planetary systems around those stars. Secondly Hubble has made an impact in the area one could call 'cosmological star formation', that is, the formation of stars all over the Universe.

Where did Hubble discover star formation?

A black hole at the heart of the dwarf galaxy Henize 2-10 is creating stars rather than gobbling them up. The black hole is apparently contributing to the firestorm of new star formation taking place in the galaxy. The dwarf galaxy lies 30 million light-years away, in the southern constellation Pyxis.

What is Hubble Deep Field region?

The Hubble Ultra Deep Field The Ultra Deep Fields show the furthest away galaxies that can be observed in visible light. Because the Universe expands, light waves from very distant objects is stretched during its long journey to us. The further away objects are from us, the more their light is stretched.

What are the two estimates for how many galaxies exist in the Universe?

While estimates among different experts vary, an acceptable range is between 100 billion and 200 billion galaxies, said Mario Livio, an astrophysicist at the Space Telescope Science Institute in Baltimore, Maryland.

What are the two ideas about the formation of galaxies?

In the absence of direct evidence, astronomers formed two theories: the theory of accretion, in which blobs of stars came together to form galaxies; and the theory of collapse, in which galaxies were formed in the collapse of an enormous gas cloud.

Where was Hubble telescope built?

Sunnyvale, California NASA's immense Hubble space telescope launched on April 24, 1990. Lockheed Martin built the complex spacecraft at its facility in Sunnyvale, California. The company's photos give a behind-the-scene look at Hubble's assembly before launch.

What are stars made of?

Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores. Aside from our sun, the dots of light we see in the sky are all light-years from Earth.

Where is the Hubble Deep Field located?

The field that was eventually selected is located at a right ascension of 12h 36m 49.4s and a declination of +62° 12′ 58″; it is approximately 2.6 arcminutes in width, or 1/12 the width of the Moon. The area is approximately 1/24,000,000 of the total area of the sky.

How many stars are in the Hubble Deep Field?

123 quintillion stars According to the Space Telescope Science Institute, the Hubble Ultra Deep Field has an angular size of 11.5 square arcminutes. That means that it would take 12,913,983 Deep Field images to cover the entire sphere of the sky! 123 quintillion stars! That's 123 billion billion.

How many planets are there in the Milky Way?

100 billion planets The Milky Way contains at least 100 billion planets.