New topic: Space.

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Presentation transcript:

New topic: Space

The Night Sky Success Criteria Today you will: Know some objects that you can see in the night sky Understand the structure of the Universe Be able to compare the relative sizes of objects in the Universe

What is in the night sky? Think: How many things can you think of that you might be able to see if you looked at the sky tonight? Pair: Compare your list with the person next to you. Can you explain what everything on your list is? Share: How many suggestions do we have from the whole class?

What is in the night sky? The Sky Tonight – National Schools’ Observatory http://www.schoolsobservatory.org.uk/astro/esm/nightsky Tonight’s Sky - Hubble http://hubblesite.org/explore_astronomy/tonights_sky/ National Schools’ Observatory gives sky maps; either whole sky or NESW Hubble site gives monthly video explaining what you can see including planets, stars and constellations (5-6 minutes long) SEE NEXT SLIDE for embedded video of July 2015

What is in the night sky? National Schools’ Observatory gives sky maps; either whole sky or NESW Hubble site gives monthly video explaining what you can see (5-6 minutes long)

What is in the night sky? Match the words below to the descriptions

The Night Sky Success Criteria Today you will: Know some objects that you can see in the night sky Understand the structure of the Universe Be able to compare the relative sizes of objects in the Universe

Black hole at the centre of M51 “Whirlpool Galaxy” What is in the Universe? Spiral galaxy Messier 101 Saturn, the 6th planet Crab Nebula Images from Hubble site gallery Sirius “The Dog Star” Black hole at the centre of M51 “Whirlpool Galaxy” Supernova 1987A

Milky Way Galaxy You are (approximately) HERE The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Sun does not lie near the center of our Galaxy. It lies about 8 kpc from the center on what is known as the Sagittarius arm of the Milky Way. You are (approximately) HERE

Hubble Deep Field Taken by the Hubble Space telescope

What is in the Universe? Write down the Universal address of Earth in as much detail as possible.

The Night Sky Success Criteria Today you will: Know some objects that you can see in the night sky Understand the structure of the Universe Be able to compare the relative sizes of objects in the Universe

How big is everything? Arrange the following objects in order of size, starting with the smallest: Black hole Universe Universe Moon Galaxy Star Planet Solar system

How big is everything? Arrange the following objects in order of size, starting with the smallest: Moon Planet Star Solar system Black hole Galaxy Universe

How big is everything?

The Night Sky Success Criteria Today you will: Know some objects that you can see in the night sky Understand the structure of the Universe Be able to compare the relative sizes of objects in the Universe

Proxima Centauri (a star) Final thought – how far? How far are each of these objects from the Earth? Can you put them in order of distance, starting with the Earth at the centre? Moon Proxima Centauri (a star) Andromeda (a galaxy) Sun Neptune

Final thought – how far? Moon = 384 000 km Sun = 150 000 000 km How far are each of these objects from the Earth? Can you put them in order of distance, starting with the Earth at the centre? Moon = 384 000 km Sun = 150 000 000 km Neptune = 4 500 000 000 km Proxima Centauri =4.0 x 1013 km (4.3 ly) Andromeda = 2.5 x 1019 km (2.5 million ly)