Document
... two important effects: – In Summer, the Sun spends more time above the horizon – days are longer, resulting in more heating. – In Summer, light from the Sun strikes the ground more directly, concentrating the Sun’s energy. ...
... two important effects: – In Summer, the Sun spends more time above the horizon – days are longer, resulting in more heating. – In Summer, light from the Sun strikes the ground more directly, concentrating the Sun’s energy. ...
The Sky is Our Laboratory
... What percent of the total known Universe is our star (Sun)? Could there be anything faster than the speed of light? Are the laws of physics universal? Is it dark in space? Would a spaceship need headlights? What are the exact definitions of galaxy and cosmos? How are stars formed? Why do hottest sta ...
... What percent of the total known Universe is our star (Sun)? Could there be anything faster than the speed of light? Are the laws of physics universal? Is it dark in space? Would a spaceship need headlights? What are the exact definitions of galaxy and cosmos? How are stars formed? Why do hottest sta ...
If you wish to a copy of this months Night Sky News
... An asteroid discovered in late 2013 and designated 2013 TX68 passes close to Earth this month. A member of the Apollo group, it is a 30 meter (100 ft) body, known also as a Near-Earth Object (NEO). As such it periodically crosses Earth’s orbit and passes close to our planet, and will pass Earth at a ...
... An asteroid discovered in late 2013 and designated 2013 TX68 passes close to Earth this month. A member of the Apollo group, it is a 30 meter (100 ft) body, known also as a Near-Earth Object (NEO). As such it periodically crosses Earth’s orbit and passes close to our planet, and will pass Earth at a ...
May 2015 - Hermanus Astronomy
... in dense clusters of tens, hundreds, or even thousands of galaxies. However, these clusters have not always existed, and a key question in modern cosmology is how such massive structures assembled in the early universe. Astronomers have found objects in the distant universe seen at a time when it wa ...
... in dense clusters of tens, hundreds, or even thousands of galaxies. However, these clusters have not always existed, and a key question in modern cosmology is how such massive structures assembled in the early universe. Astronomers have found objects in the distant universe seen at a time when it wa ...
Celestial Objects
... 2) almost all galaxies show a red shiftshiftproof that the universe is expanding (Edwin Hubble was the first to realize this!) ...
... 2) almost all galaxies show a red shiftshiftproof that the universe is expanding (Edwin Hubble was the first to realize this!) ...
A star by any other name - Baruch Sterman
... doesn’t look particularly impressive. Why would this relatively insignificant star be given the distinction of having such an auspicious name - The Star? The answer has to do with a phenomenon called the Precession of the Equinoxes. Our earth spins around its axis completing one revolution every day ...
... doesn’t look particularly impressive. Why would this relatively insignificant star be given the distinction of having such an auspicious name - The Star? The answer has to do with a phenomenon called the Precession of the Equinoxes. Our earth spins around its axis completing one revolution every day ...
Chapter 5 Mid-term Study Guide
... Part A 1–8. Number the steps to show the sequence of a star’s life. Write the correct number on the line before each step. ______ A small star becomes a white dwarf, and a large star becomes a neutron star or black hole. ______ The star collapses again and then explodes as a nova or supernova. _____ ...
... Part A 1–8. Number the steps to show the sequence of a star’s life. Write the correct number on the line before each step. ______ A small star becomes a white dwarf, and a large star becomes a neutron star or black hole. ______ The star collapses again and then explodes as a nova or supernova. _____ ...
The Big Bang Theory
... materials found within the object • Moon rocks have been dated and found to be older than Earth – Gives us an estimated time that Earth and the Moon formed ...
... materials found within the object • Moon rocks have been dated and found to be older than Earth – Gives us an estimated time that Earth and the Moon formed ...
The Big Bang Theory
... materials found within the object • Moon rocks have been dated and found to be older than Earth – Gives us an estimated time that Earth and the Moon formed ...
... materials found within the object • Moon rocks have been dated and found to be older than Earth – Gives us an estimated time that Earth and the Moon formed ...
Unit 1
... • a. in a circle with the Sun at the center • b. in an elliptical orbit, with the Sun at the center of the ellipse • c. in an elliptical orbit, with the Earth at the center of the ellipse • d. in an elliptical orbit, with the Sun at one focus ...
... • a. in a circle with the Sun at the center • b. in an elliptical orbit, with the Sun at the center of the ellipse • c. in an elliptical orbit, with the Earth at the center of the ellipse • d. in an elliptical orbit, with the Sun at one focus ...
Not too hot, not too cold: New Earth-like planet could
... Gliese 581g is a prime spot for the potential existence of extraterrestrial life, scientists say. Photo / AP The search for a faraway planet that could support life has found the most promising candidate to date, in the form of a distant world some 193,000 billion kilometres away from Earth. Scienti ...
... Gliese 581g is a prime spot for the potential existence of extraterrestrial life, scientists say. Photo / AP The search for a faraway planet that could support life has found the most promising candidate to date, in the form of a distant world some 193,000 billion kilometres away from Earth. Scienti ...
Day-9
... 37: <= 12hrs 14: 24 hrs 5: 10 hrs 4: 6 hrs 3: 14-16 hrs 2: “A night” 2: Answer had nothing to do with question 1: 5hr, 9.5hr, 8hr, 72 hrs,6 min, “Couple of days”, No Answer ...
... 37: <= 12hrs 14: 24 hrs 5: 10 hrs 4: 6 hrs 3: 14-16 hrs 2: “A night” 2: Answer had nothing to do with question 1: 5hr, 9.5hr, 8hr, 72 hrs,6 min, “Couple of days”, No Answer ...
Cosmology questions (Introduction)
... fraction of the milky way's volume which is 'deep interstellar space.' ...
... fraction of the milky way's volume which is 'deep interstellar space.' ...
Earth Science Curriculum Unit 1 Maps and Measurements
... HSN.Q.A.1: Use units as a way to understand problems and to guide the solution of multistep problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays. HSN.Q.A.2: Define appropriate quantities for the purpose of descriptiv ...
... HSN.Q.A.1: Use units as a way to understand problems and to guide the solution of multistep problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays. HSN.Q.A.2: Define appropriate quantities for the purpose of descriptiv ...
Solar system topics
... on the Earth that came from Mars. One fell in Nakhla, Egypt, in 1911. It weighed 10 kg. The most famous one (ALH84001) was discovered in the Allan Hills of Antarctica. It is dated to be 4.5 billion years old. In a remarkable paper published in 1996, geologists claimed that this meteorite had evidenc ...
... on the Earth that came from Mars. One fell in Nakhla, Egypt, in 1911. It weighed 10 kg. The most famous one (ALH84001) was discovered in the Allan Hills of Antarctica. It is dated to be 4.5 billion years old. In a remarkable paper published in 1996, geologists claimed that this meteorite had evidenc ...
HNRS 227 Lecture #2 Chapters 2 and 3
... moving more rapidly than average will escape, or leave the cluster A stellar association is a group of newborn stars that are moving apart so rapidly that their gravitational attraction for one another cannot pull them into orbit about one another ...
... moving more rapidly than average will escape, or leave the cluster A stellar association is a group of newborn stars that are moving apart so rapidly that their gravitational attraction for one another cannot pull them into orbit about one another ...
Age and Origin of the Earth
... • Expanding universe hypothesis- Edvin Hubble1920, validated in 1972. • Everything originated from a point-singularity • Gigantic explosion- 15 billion years ago, energy converted into matter, first atoms began to form • Matter expanded to form billions of galaxies, in time with their stars with the ...
... • Expanding universe hypothesis- Edvin Hubble1920, validated in 1972. • Everything originated from a point-singularity • Gigantic explosion- 15 billion years ago, energy converted into matter, first atoms began to form • Matter expanded to form billions of galaxies, in time with their stars with the ...
Stellar Evolution Slideshow
... only neutrons are left (Guess where the name “Neutron Stars” came from?) Also called Pulsars because they emit radio waves with incredible regularity. Appear to be rapidly rotating neutron star ...
... only neutrons are left (Guess where the name “Neutron Stars” came from?) Also called Pulsars because they emit radio waves with incredible regularity. Appear to be rapidly rotating neutron star ...
Pocket Solar System
... Notes to the presenter Making the Pocket Solar System model Refer to the illustrated instruction sheet to guide participants through the following steps: 1. Put the Sun at one end of the paper and the Kuiper belt at the other end. 2. Fold the paper in half and make sure you crease it firmly. Un ...
... Notes to the presenter Making the Pocket Solar System model Refer to the illustrated instruction sheet to guide participants through the following steps: 1. Put the Sun at one end of the paper and the Kuiper belt at the other end. 2. Fold the paper in half and make sure you crease it firmly. Un ...
TOC two
... around the planet, or crash into the Martian surface. Because it is so near Mars, Phobos completes its nearly circular orbit every 7.65 hours, whizzing around the planet three times each day. As seen from the surface of Mars, Phobos crosses the Sun’s disk about 1,300 times a year. The moon is tidal ...
... around the planet, or crash into the Martian surface. Because it is so near Mars, Phobos completes its nearly circular orbit every 7.65 hours, whizzing around the planet three times each day. As seen from the surface of Mars, Phobos crosses the Sun’s disk about 1,300 times a year. The moon is tidal ...
wdtoc1
... Phobos Phobos orbits Mars at an average distance of only 9,378 km (5,827 mi), closer to its planet than any other moon in the solar system. In fact, the moon is so close to the planet that tidal forces caused by Mars’s gravity are slowly dragging the moon down. Phobos spirals inward about 1.8 m (abo ...
... Phobos Phobos orbits Mars at an average distance of only 9,378 km (5,827 mi), closer to its planet than any other moon in the solar system. In fact, the moon is so close to the planet that tidal forces caused by Mars’s gravity are slowly dragging the moon down. Phobos spirals inward about 1.8 m (abo ...