7A-Unit # 4: What's out there? April 2022 by https://padlet.com/dcengirela/ugca5qm60g9xo59b en-us 2020-10-13 05:00:04 UTC 2024-10-15 05:45:13 UTC hello@padlet.com https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/823734263 2020-10-13 05:27:18 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/823734263 https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/831480948 2020-10-15 07:50:41 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/831480948 https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/831489381 2020-10-15 07:54:36 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/831489381 Activity # 1: Reading NASA dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837796525 What is a light year?
Read the article and answer the following questions:
1. What is a light year?
2. What is the nearest large galaxy to us and how far is it?
3. What does a light year measure?
4. What is the speed of light and what does it mean?
5. What does the following sentence mean: "We always see the Sun as it was about 8.3 minutes ago". Explain.
6. In 2016, NASA's Hubble Space Telescope looked at the farthest galaxy ever seen, called GN-z11. It is 13.4 billion light-years away, so today we can see it as it was 13.4 billion years ago. Why is this important to humanity? Explain.

]]> 2020-10-17 16:52:58 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837796525 dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837876832 2020-10-17 18:29:19 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837876832 Video: How do we measure distance in the universe? dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837886632 2020-10-17 18:41:05 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/837886632 Planets pictures dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/839962375 2020-10-19 06:18:11 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/839962375 VIDEO: Making Models: A Solar System Pocket Model dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/843574543 Video for instructions ]]> 2020-10-20 04:49:46 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/843574543 Distances in Light Minutes dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/851426606 2020-10-22 06:41:23 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/851426606 Space Programs dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764390 End of the Unit Project ]]> 2020-10-25 05:36:34 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764390 How does a rocket work? dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764607 2020-10-25 05:36:48 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764607 Project Booklet dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764878 2020-10-25 05:37:03 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/858764878 Rocket's launching dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/879394821 2020-11-01 06:29:48 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/879394821 We all are made up of stardust! dcengirela https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/2137365489 2022-04-09 13:14:25 UTC https://padlet.com/dcengirela/ugca5qm60g9xo59b/wish/2137365489