Intro to Astronomy (Lesson 1-2)

A light year is a unit used to measure:

• Time

• Speed

• Distance

• Angles

If a star is now at your zenith, where do you need to look to see it?

• Towards the celestial North Pole

• Towards the celestial South pole

• Towards the horizon

• Directly above your head

Why does the Sun appear to rise in the East and set in the West every day?

• Because of the rotation of the Earth around its axis

• Because of the orbit of the Earth around the Sun

• Because of the orbit of the Sun around the Earth

• Because the orbit of the moon around the Earth

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Any point on the celestial sphere can be identified with two coordinates, which are called:

• North and South

• Latitude and Longitude

• Declination and Right Ascencion

• Zenith and Horizon

What is special about the constellations in the Zodiac compared to other constellations?

• They are always seen close to the celestial North pole

• They have remained unchanged for thousands of years

• The Sun and the planets are always aligned with one of them

• They were discovered and named by ancient Romans

How long does it take for the Earth to compete one full rotation around its axis, with respect to the distant stars?

• A few minutes less than 24 hours

• 24 hours exactly

• A few minutes more than 24 hours

• 365 days

If you live further South than the Tropic of Capricorn (for example, in New Zealand or in southern Argentina) then how many times a year can you see the Sun at your zenith?

• Never

• Once, at the summer solstice

• Once at the winter solstice

• Twice, at the summer and the winter solstice

Tags

NGSS.MS-ESS1-1

Which of the following is NOT TRUE about the date June 21?

• The noon Sun is at the zenith as seen from the Tropic of Cancer this day

• The Earth is closest to the Sun this day

• The Winter solstice for the Southern hemisphere is this day

• The summer solstice for the Northern hemisphere is this day

Tags

NGSS.MS-ESS1-1

When we see a full moon, the Moon is always:

• Between the Earth and the Sun

• Equally far from the sun as the Earth is

• Further away from the Sun than the Earth is

• About to be eclipsed

Tags

NGSS.MS-ESS1-1

A sidereal month is:

• The time it takes for the Moon to do one full 360 revolution around the Earth

• The time between one full moon and the next full moon

• The time between two lunar eclipses

• Exactly 30 days

Tags

NGSS.MS-ESS1-1