Table of Contents
- 1 How has the Hubble telescope affected society?
- 2 How has the telescope impacted society?
- 3 What is the main advantage of using the HST to look into space?
- 4 What are the advantages and disadvantages of space based telescopes?
- 5 What are the negative effects of telescope?
- 6 What problem did the HST face when it was first used?
- 7 How does the Harmonized Sales Tax ( HST ) work?
- 8 Why do you need to register for GST / HST?
- 9 When did the HST come into effect in Canada?
How has the Hubble telescope affected society?
Hubble has helped scientists learn about our solar system. The telescope observes comets and planets. Hubble even discovered moons around Pluto that had not been seen before. The telescope has helped scientists understand how planets and galaxies form.
How has the telescope impacted society?
Early telescopes showed that Earth was not the center of the universe, as was previously believed. They also showed mountains and craters on the moon. Later telescopes have revealed geography and weather on the planets in our solar system. Telescopes have also revealed new planets and asteroids.
What is the main advantage of using the HST to look into space?
Hubble images are 5 to 20 times sharper than those obtained from the ground, in effect bringing the universe that much “closer” (Figure 3.2). Image sharpness and the extremely dark sky help Hubble to see objects 10 times fainter than those that can be observed with even the largest ground-based telescopes.
What were two additional problems that the HST faced?
Its intended launch was 1983, but the project was beset by technical delays, budget problems, and the 1986 Challenger disaster. Hubble was finally launched in 1990, but its main mirror had been ground incorrectly, resulting in spherical aberration that compromised the telescope’s capabilities.
What are the disadvantages of the Hubble Space Telescope?
Disadvantages. There are some limitations with the Hubble Space Telescope when imaging the Moon due to its sensitivity to light and it cannot image areas in the direction of the Sun. They are exceptionally expensive to build and position in place. Maintenance is difficult.
What are the advantages and disadvantages of space based telescopes?
In space, however, telescopes are able to geta clearer shot of everything from exploding stars to other galaxies. Another disadvantage for ground-basedtelescopes is that the Earth’s atmosphere absorbs much of the infrared andultraviolet light that passes through it. Space telescopes can detect thesewaves.
What are the negative effects of telescope?
Disadvantages:
- Very high initial cost relative to reflector.
- A certain amount of secondary spectrum (chromatic aberration) unavoidable (reflector completely free of this) The colours cannot focus at one point.
- Long focal ratios can mean that the instrument is cumbersome.
What problem did the HST face when it was first used?
This photograph shows the Hubble Space Telescope’s primary mirror being ground at the Perkin-Elmer Corporation’s large optics fabrication facility in 1979, more than a decade before its very small but very significant flaw was discovered.
Who repaired the HST?
On Dec. 2, 1993, astronauts Richard Covey, Kenneth Bowersox, Kathryn Thornton, Claude Nicollier, Jeffrey Hoffman, Story Musgrave and Thomas Akers launched aboard the space shuttle Endeavour on a mission to correct Hubble’s faulty optics.
What are the arguments for and against the HST?
Critics claim that the HST shifts the tax burden from businesses to consumers. Proponents of HST argue that it actually lowers taxes. They say the HST system reduces the cost of doing business, which effectively lowers the prices of consumer goods and services.
How does the Harmonized Sales Tax ( HST ) work?
BREAKING DOWN ‘Harmonized Sales Tax (HST)’. HST is a consumption tax paid by the consumer at the point of sale (POS). The vendor or seller collects the tax proceeds from consumers by adding the HST rate to the cost of goods and services. They then remit the total collected tax to the government at the end of the year.
Why do you need to register for GST / HST?
Registering early for GST/HST allows you to recover all the GST/HST amounts you may have spent during that time for business purposes which could translate into a lot of extra dollars in your pocket. Charging GST/HST on your invoices also looks more professional and shows customers and clients that you run a serious business.
When did the HST come into effect in Canada?
Prior to the HST’s introduction in 1997, Canadian sales taxes were divided into the federal sales tax (GST) and the provincial sales tax (PST). Each province had its own rates, resulting in significant differences in the sales taxes throughout Canada.
https://www.youtube.com/watch?v=qO2onZwxBkM